Fi515 Chapter 1 Mini Case

MINI CASE a. Why is corporate finance important to all managers? Corporate finance is important to all managers because it provides managers the skills needed to identify and select the corporate strategies and individual projects that add value to their firm and forecast the funding requirements of their company and devise strategies for acquiring those funds. b. Describe the organizational forms a company might have as it evolves from a start-up to a major corporation. List the advantages and disadvantages of each form. The organizational forms a company might have as it evolves from a start-up to a major corporation are proprietorship, partnership, or corporation. The advantages of a proprietorship are: †¢Easy and inexpensive to form, †¢Subject to few government regulations, and †¢Income not subject to corporate taxation. The disadvantages of a proprietorship are: †¢May be difficult to obtain the capital needed for growth, †¢Unlimited personal liability for the businesses’ debts, and †¢Limited to the life of its founder. The advantages of a partnership are: †¢Relatively easy to establish, †¢Increased ability to raise funds, Prospective employees become attracted to the business if given the incentive to become a partner, †¢May benefit from the combination of complementary skills of two or more people, †¢Can be cost effective, and †¢Provide moral support and will allow for more creative brainstorming. The disadvantages of a partnership ar e: †¢Partners are jointly and individually liable for the actions of the other partners, †¢Profits must be shared, †¢Disagreements can occur, †¢May have limited life, †¢Has limitations that keeps it from becoming a large business, †¢Partners have to consult with each other before making decisions, and †¢Unlimited liability. The advantages of a corporation are: †¢Unlimited life, †¢Easy transferability of ownership interest, and †¢Limited liability. The disadvantages of a corporation are: †¢Earnings may be subject to double taxation, and †¢Complex and time-consuming set up. c. How do corporations go public and continue to grow? What are agency problems? What is corporate governance? Corporations go public and continue to grow by selling stock to outsiders or venture capitalists, attracting lending from banks or raising additional funds through an initial public offering (IPO) by selling stock to the public at large. Agency problems are conflicts of interest arising between creditors, shareholders and managers because of differing goals. Corporate governance is the relationship between all the stakeholders in the company. d. What should be the primary objective of managers? The primary objective of managers is stockholder wealth maximization, which means to maximize the fundamental price of the firm’s common stock and not just the current market price. 1)Do firms have any responsibilities to society at large? Yes, firms have responsibilities to society at large. Corporate social responsibility is operating a business in a manner that accounts for the social and environmental impact created by the business. This means a commitment to developing policies that integrate responsible practices into daily business operations and to reporting on progress made toward implementing these practices. 2)Is stock price maximization good or bad for society? Stock price maximization is good for society. Shareholders are members of society. Consumers benefit when companies develop products and services that consumers want and need, which leads to new technology and new products. Employees benefit generally when companies successfully increase stock prices, it opens up growth and addition for more employees. 3)Should firms behave ethically? Yes, firms should behave ethically. There is no room for unethical behavior in the business world. Most executives believe that there is a positive correlation between ethics and long-run profitability. Conflicts often arise between profits and ethics. Companies must deal with these conflicts on a regular basis. Failure to handle these situations properly can lead to huge product liability suits and even bankruptcy. e. What three aspects of cash flows affect the value of any investment? The three aspects of cash flows the affect the value of any investment are the amount of expected cash flows, the timing of the cash flow stream, and the risk of the cash flows. f. What are free cash flows? Free cash flows are the monies available for distribution to all investors after paying current expenses, taxes, and making the investments necessary for growth. g. What is the weighted average cost of capital? The weighted average cost of capital is the rate that a company is expected to pay on average to all its security holders to finance its assets. . How do free cash flows and the weighted average cost of capital interact to determine a firm’s value? Free Cash Flow = Sales Revenues – Operating Costs and Taxes – Required Investments in Operating Capital. Weighted Average Cost of Capital (WACC) is affected by market interest rates, market risk aversion, cost of debt, cost of equity, firmâ €™s debt/equity mix, and firm’s business risk. Therefore, free cash flows and the weighted average cost of capital interact to determine a firm’s value by the following equation: Value=FCF1+FCF2+ †¦ +FCF00 (1 + WACC)1(1 + WACC)2(1 + WACC)00 i. Who are the providers (savers) and users (borrowers) of capital? How is capital transferred between savers and borrowers? Households and some foreign governments are the providers (savers) of capital. Non-financial corporation’s net users and U. S. governments are users (borrowers) of capital. Financial corporations are slight users (borrowers), but almost breakeven. Capital is transferred between savers and borrowers by direct transfer, through an investment banking house, or through a financial intermediary. j. What do we call the price that a borrower must pay for debt capital? What is the price of equity capital? What are the four most fundamental factors that affect the cost of money, or the general level of interest rates, in the economy? The price that a borrower must pay for debt capital is called the interest rate. The price of equity capital is the cost of equity equals required return equals dividend yield plus capital gains. The four most fundamental factors that affect the cost of money, or the general level of interest rates, in the economy are production opportunities, time preferences for consumption, risk, and expected inflation. k. What are some economic conditions (including international aspects) that affect the cost of money? Some economic conditions (including international aspects) that affect the cost of money are country risk and exchange rate risk. Country risk depends on the country’s economic, political, and social environment. Exchange rate risk is dependent on the non-dollar denominated investment’s value. l. What are financial securities? Describe some financial instruments. Financial securities are pieces of paper with contractual provisions that entitle their owners to specific rights and claims on specific cash flows or values. Some financial instruments are: †¢U. S. Treasury Bills  ­Sold by U. S. Treasury  ­Default-free risk  ­91 days to one year – original maturity †¢Money Market Mutual Funds  ­Invest in short-term debt; held by businesses and individuals  ­Low degree of risk  ­No specific maturity (instant liquidity) †¢Consumer Credit Loans  ­Loans by banks/credit unions/finance companies  ­Risk is variable  ­Original maturity is variable †¢U. S. Treasury Notes and Bonds  ­Issued by U,S, government  ­No default risk, but price falls if interest rate rises  ­2-30 years – original maturity †¢Municipal Bonds  ­Issued by state and local government to individuals and institutions  ­Riskier than U. S. overnment guides, but exempt from most taxes  ­Up to 30 years – original maturity m. List some financial institutions. Some financial institutions are commercial banks, investment banks, savings and loan, mutual savings bands, credit unions, life insurance companies, mutual funds, pension funds, and hedge funds and private equity funds. n. What are some different types of markets? Some different types of markets are physical asset markets, financial asset markets, spot markets, future markets, money markets, capital markets, mortgage markets, consumer credit markets, and world, national, regional and local markets. . How are secondary markets organized? Secondary markets are organized by location and the way that orders from buyers and sellers are matched. 1)List some physical location markets and some computer/telephone networks. Some physical locations markets are New York Stock Exchange, the American Stock Exchange (AMEX), the Chicago Board of Trade (CBOT), and the Tokyo Stock Exchange. Some computer/telephone networks are NASDAQ, government bond markets, and foreign exchange markets. 2)Explain the differences between open outcry auctions, dealer markets, and electronic communications networks (ECNs). Auction markets are markets where participants have a seat on the exchange, meet face-to-face, and place orders for themselves or for their clients. The two largest auction markets for stocks are the New York Stock Exchange and the American Stock Exchange. The New York Stock Exchange is a modified auction with a â€Å"specialist. † Dealer markets are markets where â€Å"dealers† keep an inventory of the stock (or other financial assets) and place bids and ask â€Å"advertisements†, which are prices at which they are willing to buy and sell. There are often many dealers for each stock. A computerized quotation system keeps track of bid and ask prices, but does not automatically match buyers and sellers. Examples of dealer markets are the NASDAQ National Market, NASDAQ Small Cap Market, London SEAQ, and German Neuer Market. Electronic communication networks (ECNs) are computerized systems that match orders from buyers and sellers and automatically execute the transaction. It is a low cost to transact. Examples of ECNs are Instinet (U. S. stocks owned by NASDAQ), Archipelago (U. S. stocks owned by NYSE), Eurex (Swiss-German futures contracts), and SETS (London stocks). p. Briefly explain mortgage securitization and how it contributed to the global economic crisis. Mortgage securitization is the pooling of various mortgage loans and their usage as collateral to issue securities. This process allows the originator of the mortgage loans to restructure its balance sheet by reducing the receivables and using the funds received from the sale of securities to invest elsewhere. Mortgage securitization allows the originators of the loans to diversify their risk besides enabling them to secure immediate liquidity for assets which would otherwise have face some difficulty in trading. http://www. economywatch. com/finance/high-finance/mortgage-securitization. html) Mortgage securitization contributed to the global economic crisis in many ways. †¢Homeowners wanted better homes than they could afford. †¢Mortgage brokers encourage homeowners to take mortgages even though they would reset the payments to amounts that the borrowers might not have been able t o afford because the brokers got a commission for closing the deal. †¢Appraisers were over-appraising house values and getting paid at the time of the appraisal. †¢Originating institutions (e. . , Countrywide) were quickly selling the mortgages to investment banks and other institutions. †¢Investment banks created CDOs and got rating agencies to help design and then rate the new CDOs with rating agencies making big profits despite the conflicts of interest. †¢Financial engineers used unrealistic inputs to generate high values for the CDOs. †¢Investment banks sold the CDOs to investors and made big profits. †¢Investors bought the CDOs but either didn’t understand or didn’t care about the risk. †¢Some investors bought â€Å"insurance† via credit default swap. When the mortgages were reset and the borrowers defaulted on them, the values of the CDOs plummeted. †¢Many of the credit default swaps failed to provide insurance beca use the counterparty failed. †¢Many originators and securitizers still owned sub-prime securities, which led to many bankruptcies, government takeovers, and fire sales including New Century, Countrywide, Fannie Mae, Freddie Mac, and many more. PROBLEMS (2-6)In its most recent financial statements, Newhouse, Inc. reported $50 million of net income and $810 million of retained earnings. The previous retained earnings were $780 million. How much in dividends was paid to shareholders during the year? Dividends Paid= (Previous Retained Earnings + Net Income) – Recent Retained Earnings = ($780 million + $50 million) – $810 million = $830 million – $810 million = $20 million (2-7)The Talley Corporation had a taxable income of $365,000 from operations after all operating costs but before (1) interest charges of $50,000, (2) dividends received of $15,000, (3) dividends paid of $25,000, and (4) income taxes. What are the firm’s income tax liability and its after-tax income? What are the company’s marginal and average tax rates on taxable income? Taxable Income$365,000 Less: Interest Charges(50,000) Plus: Dividends Received4,500? $15,000(1 – 0. 70) = $4,500 Total Taxable Income$319,500 Tax Liability= $22,250 + ($319,500 – $100,000)(0. 39) = $22,250 + ($219,500)(0. 39) = $22,250 + $85,605 = $107,855 After-Tax Income: Total Taxable Income$319,500 Less: Tax Liability(107,855) Plus: Non-taxable Dividends Received10,500? 15,000(0. 70) = $10,500 Net Income$222,145 Marginal Tax Rate = 39% Average Tax Rate= Tax Interest Income/Taxable Operating Income = $107,855/$319,500 = 0. 33757 or 33. 76% (2-9)The Shrieves Corporation has $10,000 that it plans to invest in marketable securities. It is choosing among AT&T bonds, which yield 7. 5%, state of Florida muni bonds, which yield 5% (but are not taxable), and AT&T preferred stock, with a dividend yield of 6%. Shrieve’ s corporate tax rate is 35%, and 70% of the dividends received are tax exempt. Find the after-tax rates of return on all three securities. AT&T Bonds – $10,000 x 7. 5% = $750 Taxes = $750 x 35% = $262. 50 $750 – $262. 50 = $487. 50 AT&T Bond Yield = $487. 50/$10,000 = 0. 04875 or 4. 875% AT&T Preferred Stock – $10,000 x 6% = $600 Tax Exemption = $600 x 70% = $420 Taxable Income = $600 – $420 = $180 Taxes = $180 x 35% = $63 $600 – $63 = $537 AT&T Preferred Stock Yield = $537/$10,000 = 0. 0537 or 5. 37% Florida Muni Bonds – $10,000 x 5% = $500 Not taxable, so no tax deductions Florida Muni Bonds Yield = $500/$10,000 = 0. 05 or 5%

Eco Engines Essay

â€Å"Eco Engines†, an article by Steve Miller provides excellent information about the correlation between automobile industry and ecosystem. The article is both an opinion and informative. His primary audience is general public. This article summarizes the paradoxical nature of automobiles industry involved in producing eco-friendly vehicles. He says that â€Å"going green† is slogan that is easy to propagate but difficult to follow. Automobile industry is an adherent f this idealism of â€Å"going green â€Å"but in reality their sales are affected by this idealism. So there is paradox in what they say and what they do. He further highlights that consumers’ attitude too is paradoxical as they pay lip service to eco-friendly notions but by gasoline cars instead of hybrid one. 2 B: Response In the present age consciousness about the protection of environment is rising among masses. It is becoming a fashion in the modern world to be seen as eco-friendly. Media agencies are playing supreme role in this game. This drive of eco-friendliness has made the oil and auto industries face many problems. In reality a race has started among the players in these fields of industry to allure the buyers by making them convince that they are more eco-friendly than the others. However, the new arrivals in these two fields of industry find it a little bit less difficult to the changing situation as compared to the old players of the game. The established and old auto industries like Toyota and Prius are trying to answer the question by giving a kind of ‘hybrid vehicles’ to the world but they are finding it somewhat difficult to sell the new machine in large numbers for including the other reasons they are comparatively costly. Their sale brings low profit margins. It is, however, apparent that in spite of the idealism about eco-friendliness the big chunk of consumers is asking for gasoline-driven vehicles and to maximize their profit the producers like Accord and Ford and others are spending more on producing these vehicles than the ‘hybrid’ ones. Reality reigns supreme in this world and not the idealism. 3: APA Citation: Quotation: Miller (2003) states; â€Å"And yet hybrids, with their golf cart hum and often-jerky acceleration, have become a focus of nearly every automaker, a dramatic change from just five years ago. The unpleasant (perhaps â€Å"inconvenient†? ) truth that lurks behind all the feel-good green talk is that the models sell poorly and, when they do sell, profits for the makers are minimal. In fact, hybrids currently make up only 1. 5% of total auto sales, per Boston-based consultancy Global Insight. † Paraphrase: Hybrid automobiles have captivated the attention of every auto production company for the last five years despite its various drawbacks. But reality is that despite the notions of greener world, these hybrid automobiles do not sell well and thus deceases the profit margin for the companies. According to a Boston-based consultancy Global Insight Presently, hybrids only constitute a small percentage (1. 5%) of the entire auto trade. (Miller, 2003) Work Cited Miller, S. (2003, April 23). Eco Engines. Brandweek

Assignment on Hr Promotion & Transfer Essay

Flippo †A promotion involve a change from one job to another that is better in term of and responsibility† Chruden and Sherman†A promotion involves a change of assignment from a job of a lower level to one of level with in the organization† Dale Yoder†Promotion is defined as a movement to a position in which in which responsibility and prestige are increased† Pigors and myers â€Å"Promotion is the advantage of an employee to a better job better in term of gather responsibilities more prestige and status gather skill and specially increased of pay or salary†. Employer to support employee higher position, sales, duties, response everything increased is as well as employees enjoy self-determination, (a)progress (b)preferment (c)promotion (d) position Promotions are used to fill the positions which are more important to fill rather than the present position of employee. It can be filled by external recruitment but employees having eligibility and experience must be appointed for their motivation. Also it will decrease labour turn over as external recruitment costs more. Also increase in salary and status will increase job satisfaction. When scale of pay is increased without changing job it is called  up-gradation  and promotion involves changes in job as well as high salary. When higher position is given without change in salary it is known as  Dry Promotion. All these,  Promotion Up-Gradation and Dry Promotion  are used by management to increase morale of employee and as giving reward also. Promotion means the employee present position to superior position . more obviously promotion is the association to the higher position where more responsibility and more power exits with more occurrence. In the higher position, sales, duties, response everything increased is as well as employees enjoy self-determination. The advancement of an employee within a  company  position  or  job  tasks. A job promotion may be the  result  of an  employee’s  proactive  pursuit of a higher ranking or as a  reward  by  employers  for good  performance. Typically is also  associated  with a higher  rate  of  pay  or  financial  bonus. In terms of a career, a promotion refers to the advancement of an employee’s rank or position in a hierarchical structure. A

Global strategy Essay Example | Topics and Well Written Essays - 250 words

Global strategy - Essay Example Competitive rivalry in UK supermarkets are driven by advertising battles, sales promotion campaigns, price competition, introducing new products, provision of warranties and guarantees and after sales services improvements. Threats attached to new entrance are minimal as product differentiation enables existing firms to build good brand image culminating to strong customer loyalty (Onsman, 2003, p.111). The market is controlled by Tesco, Sainsburys, ASDA and Safeway with nationwide branches and overseas high risks investing hence barriers for new entrance based on large capital constraints and difficulty to access distribution channel with new channels hard to establish. Aldi’s trio-principle; consistency, simplicity and responsibility makes it thrive. Aldi’s DNA and culture is driven by cost-effectiveness based on lower staffing and payroll cost but higher wages than rivals hence high capability in-store levels than rivals driven by investment in sophisticated till systems focusing on staff training (Onsman, 2003, p.122). It operates limited opening hours to avoid keeping shoppers for longer hours in stores and refutes add on facilities to remain cost-effective. Aldi’s secrecy of success lies on invisible strategies (Secret Culture) such as understanding essential defining features lying beneath the surface; unwritten cultural rules, values and standards hence Aldi’s competitive

Effects of International Trade on Poverty in India Research Paper

Effects of International Trade on Poverty in India - Research Paper Example India has a population of more than 40% who spend less than this amount a day and have one of the lowest per capita incomes when compared to other countries in the region (Almas, Kjelsrud & Somanathan, 2013). Statistics from the national sample survey from 1973-2002 indicate the changing trends of poverty in the country and the population section that have been most affected by poverty in the country. The 1973 census indicated that out of the total population, 54.9% was leaving way below the poverty line. The poverty index increased from this year to 1990s as a resulting of the surging population growth which was not supported by a concurrent economic growth in the country. In the 1990s, the poverty trend worsened with a high percentage of up to 320 million Indians classified as being poor and requiring support from the government. During this era, the significant pace of decline in poverty decreased from an impressive 6% to 2.9%, attributed to the significant increase in population. The financial crisis of 1991 was also blamed for this increase in poverty index in the country (Almas, Kjelsrud & Somanathan, 2013). International trade and poverty With the current surge in globalization and cooperation between countries, international trade has grown significantly between countries including India. International trade is defined as the exchange of goods, services, ideas and technological knowledge between countries geographically separated. The growth in international trade has led to significant growth in demand and supply in different sections of the world, thus spurring growth and elimination of poverty. Through this exposure, countries develop new ways of production, transportation, trading approaches and technological ways of production, which increases its gross domestic product. An increase in the gross domestic income of a country results into increase in the country’s per capita income, which significantly translates to an increase in the living s tandards on the people. International trade also opens up more opportunities for countries to market their products beyond their borders resulting into increased exports and imports (Topalova, 2010). India has advanced significantly in the arena of international trade and today contributes to a significant ratio of the world’s total exports both of goods, services and new technological ideas. The advances in international trade in the country began in 1991 when the country liberalized its market, thus opening up for international imports and exports. This has increased foreign investments in the country and opens it up for new ideas, means of production and techniques (Hasan, Cain & Mitra, 2010). International trade thus have a significant role in reducing poverty in any country as it opens it up and increases its overall trade volume. This increases the gross domestic product of the country which translates into an increased per capita income. A country with a higher per cap ita income has a decreased poverty level for each member of the population contributes in a significant ratio to the overall growth of the country. But how has international trade impacted on the poverty level in India and how has it narrowed the total population that leaves below the poverty line? In this paper, the impact of international trade in reducing the devastating effects of poverty will be evaluated. Through this evaluation, the strengths and

Levine's Argument Essay Example | Topics and Well Written Essays - 500 words

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Family Food Menu Simulation Assignment Example | Topics and Well Written Essays - 1000 words

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Articles Comparison Essay Example | Topics and Well Written Essays - 750 words

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Study of nti socil behviour nd violent conduct t UK night clubs Essay

Study of nti socil behviour nd violent conduct t UK night clubs - Essay Example Youth-oriented communities s well s dults, tht visit the clubs, crete the tmosphere of love, unity, tolernce nd hppiness tht is expressed through dncing, communiction nd other rnge of ctivities tht my not lwys entil socilly cceptble behviours. s the result of such relxing conditions in night clubs, the number of socil problems my pper. Specificlly, the problem of lcohol misuse nd illegl expnsion of drugs is one of the widely spred chrcteristic of night clubs. Drug use nd lcohol is intended to enhnce clubbers' senstions nd boost their energy so they cn dnce for long periods. While the first problem is generlly cceptble behviour (lcohol is normlly uthorised to sell out in brs of the night clubs), the second problem my led to the vriety of nti-socil behviourl expressions nd violence. Deling ppropritely with the violence cused by the use of lcohol nd drugs is difficult for police. On the one hnd, police often fce substntil pressure from minstrem society to put n end to drugs nd lcohol uthority in night clubs, usully through ggressive lw enforcement. On the other hnd, the tmosphere creted by "esy" (Morris, 1998) drugs nd lcohol is enormously populr mong significnt minority of teengers nd young dults, most of whom re generlly lw biding nd responsible. Strict enforcement efforts cn liente key segment of this popultion from government in generl, nd the police in prticulr. To be sure, lcohol cn pose genuine risks, but those risks re frequently exggerted in the public's mind. It is importnt tht police recognize tht most lcohol-relted hrms hppen to the clubbers themselves, nd while clubbers re not wholly responsible for those hrms, they willingly ssume much of the risk for them. ccordingly, night club prty problems re t lest s much public helth problems s they re crime nd disorder problems. It is criticl to estblish solid bse of fcts bout night clubs-relted hrms in the community, fcts from which to intelligently develop locl policies nd responses. The principl night clubs-relted concerns for police tht re considered to result in nti-socil nd violent behviour re s follows: - drug overdoses nd ssocited medicl hzrds: some drugs when overdosed cn bring to the stte of "shg frenzy", incresing chnces of ctching HIV nd other sexul trnsmitted disesed. (Morris, 1998) - drug trfficking nd the potentil for violence ssocited with it: different wys of drug trfficking my led to misunderstnding between drug delers nd result in nti-socil conducts such s street fights, robberies or murder; - noise (from loud music, crowds nd trffic): usully clubs re situted in one re specificlly llocted for night life; however there re clubs tht my be creted in plces where people live which will cuse problems in terms of noises t night s well s other outcomes of nti-socil behviour resulted from drug nd lcohol use; (Morris, 1998) - driving under the influence: this is the problem tht oftentimes results in cr ccidents. In view of the bove finding nd the resercher's interest in further evlution nd detection of problem re, the proposed explntory reserch study is imed to investigte the following subject: nticiption of nti socil behviour nd violent conduct t UK night clubs Generlly, the problem tht is rised in this pper concerns the connection of lcohol nd drugs use nd violent behviour. From one side it is regrded the problem of using clubbers' drugs rther thn lcohol in

Is the military-industrial complex a result of the reliance of the Essay

Is the military-industrial complex a result of the reliance of the capitalist economy on military production as a stabiliser of - Essay Example President Eisenhower used the term to refer to the close ties between the military and industrial sectors. The origin of military industrial complex can be traced during World War II period, when many companies came into contact with the state. Majority of the companies started manufacturing armaments and tanks for the government on a large scale. During the world war, the Department of Defense granted many private companies military contracts in aerospace and the production of military weapons, tanks and vehicles. The US government was not producing weapons like other countries, but contracted private companies to supply the needed military material. As a result of the cold war tensions, many con-agglomerates won valuable defense contracts. This contributed to the rise of stock prices in the year 1960 (Geisst 2006, p.272). The private companies relied on government contracts to get their revenue. The government also appointed high rank officials in the military as executives and con sultants. This gave rise to a close relationship between the military and private corporations, which received a lot of criticism. In the recent years, the military-industrial complex terminology has fallen out of use. However, it is still used in reference to the relationship between governments and armaments producers, who spend enormous amount of budget on the defence sector (Geisst 2006, p. 273). Many governments prefer to buy military equipments and supplies from local private companies at an additional cost. This is what yields the label military-industrial complex, which is an established relationship between the defense establishments and the domestic industries. Military hardware accounts for the largest expenditure on total government equipment expenditure. Contracts awarded by department of defense provide suppliers with competitive advantage in financial, technological and commercial terms. The reliance on supplies and armor produced by a state own factory is thought to reduce the dependence on private supplies and the vulnerability of a nation to arms embargo. The production of arms by government can help reduce overpricing, abuse and long term dependence on foreign arm producers and private corporations in a country directly (Schiavo-Campo and Hazel 2008, p.271). The United States has become the powerful and incontestable power that has emerged from the centuries of the development of capitalistic economies. The US takes a center stage on the international economic structure, which relies on the economies of the underdeveloped counties. The U.S internal economy is tied to the world economic system through its continued dependency on its military expenditures and its extended exploitation of third world countries. The emergency of U.S as a world power dates back in mechanical production and technological innovation in the years before 1914. Before the year 1914, America had made access to its expansive natural resources and exploited them, which s timulated foreign trade outlets. This also led to the establishment of a flexible protective tariff system making U.S to benefit from financial assistance from older nations. This made it possible for U.S to develop a good network of transport and communication. During the World war I, U.S business increased as it move in to take advantage of the markets in the post war era (Cannon and Emile 2011, p.15). During this time, Latin America formed a main target for U.S because it was

Assessment and Child Essay Example for Free

Assessment and Child Essay Assessments are very important in determining how to teach our children and where they are in terms of development. There are many types of assessments that can be beneficial in helping determine how to approach the learning style of each child as an individual instead of as a whole group. While each assessment is structurally different, they can produce results which give us insight on where our children are during different stages of their lives. There are both formal and informal assessments that can be used. â€Å"Formal assessments are norm-referenced tests that have standardized, formal procedures for administering, timing and scoring. They have been â€Å"normed† or administered to a representative sample of similar age or grade level students so that final test results can be compared to students of similar characteristics. Test results indicate a person’s relative performance in the group. These standardized tests must be administered as specified in the manual to ensure valid and reliable results†(ERIC Clearinghouse on Assessment and Evaluation). There is another type of formal assessment called criterion-referenced test. These type of test measure what the person is able to do and indicate what skills have been mastered. A CRT compares a person’s performance with their past performances. â€Å"In criterion-referenced measurement, the emphasis is on assessing specific and relevant behaviors that have been mastered rather than indicating the relative standing in the group†(ERIC Clearinghouse on Assessment and Evaluation). Formal assessments can prove to be beneficial as far as comparing test scores over a period of time and how the child is developing over that same period. While formal assessments are useful they also have flaws in them. Standardized test can make a child feel like pressure and anxiety. In a lot of situations when a child feels like this they will not do their best on any type of assessment. Another problem with these types of tests is that they use the same set of questions for all the children and are not sensitive to the situations that different children endure. Children who live in poor and underdeveloped environments may not be exposed to certain ways of life and may not have the same advantages of acquiring knowledge as the other children they go to school with. This will automatically put them at a disadvantage in school and on test they may take. There is another way to do an assessment that is better suited for the child and does not make them feel so uncomfortable and that is an informal assessment. An informal assessment focuses on play and observation of the child and not a test of sorts. By observing the child in a certain situation you can record how they act and how they respond to different situations and stimuli that are presented to them. You can use check-list and rating scales to record your findings and document them and file them away in a portfolio. Another way to do an informal assessment is by parent interviews. You can find out a lot of valuable information by asking the parents questions about their child. Over the past few years teachers have placed more emphasis informal testing than formal testing. â€Å"Some districts have increased the use of curriculum-based measurements(CBM). Several samples of a student’s performance are collected, using items drawn from the local curriculum, usually in basic skill subjects of reading, math, spelling and written expression. Such brief tests are called â€Å"probes†(ERIC Clearinghouse on Assessment and Evaluation). One form of an informal assessment is the Battelle Developmental Inventory. â€Å"The Battelle Developmental Inventory is an assessment for infants and children through age seven. It is a flexible, semi-structured assessment that involves observation of the child, interviews with parents and caregivers, developmental and social history, and interaction with the child using game-like materials, toys, questionnaires, and tasks† (Logsdon). This type of assessment is used to make sure that infants and children are reaching their developmental milestones or showing early signs of learning disabilities or developmental delays. This assessment can also be used through examiner/child and parent/child interaction. Examiners observe the child’s responses and score them based on standardized criteria. The parent caregiver input is also important in the assessment because it is used to gather information about the child’s history and interactions that take place beyond the testing session. When this assessment is used to observe the toddler through preschool development it is mostly done by tasks that involve testing the child with games, toys and tasks. They observe how the child follows directions, interacts with others, and how they perform certain tasks. Parent information is used to assess areas that can’t be observed during the testing session. The performance scores are based on standardized criteria. The Battelle is used to assess five components of development. They are adaptive behavior, personal and social skills, communication including expressive and receptive language, gross and fine motor skills, and finally cognitive skills are included. The results of this assessment can be used to determine if there are delays and how significant they are based on the age group the child is in. Another good assessment tool is play-based assessment. This is simply observing the child in their natural environment. By doing this the observer is able to see interactions between the child and their peers as well as how they speak, the language they use and their motor abilities. It is good to record all this information and keep it in an ongoing portfolio. By keeping a written record of what has been observed and any areas of concern you may suspect, you will have more information to share with the parents and find the proper method of dealing with the problems. I feel there is a major advantage when you use an informal assessment as opposed to a formal one. With formal assessments you can never really tell how smart a child really is. These types of assessments are based on statistics of a large group of children not the children as individuals. Just because children do well on a test does not necessarily make them smarter than others, it simply means they have better test taking skills. There are lots of times that the smartest people do horrible on tests just because they suffer from anxiety and get nervous. You can take the same kids that do poorly on a test and give them an informal assessment where they feel comfortable and you will get different results. Standardized tests are not a reliable means of assessing intelligence based on the fact stated above. These types of tests are often overused in this country and they do not take into account the comfort level or socioeconomic background of the child being tested. These play a more important role in test taking than the test itself. This is the number one reason kids are misdiagnosed for having  learning disabilities and other disorders such as ADHD. I also feel that a good relationship with the parents is essential in determining the educational needs of the child. No one knows their children better than the parents or caregivers. They are the ones who spend the most time with the children and can fill you in on patterns of behavior not seen during a certain test taking session. Parents are the most important resources you can obtain information from when dealing with children. I would strive to keep the parents informed of everything that was going on with their child and how to help them with anything that raised a red flag. The parents should always be informed when an assessment is going to be used. A parent could be upset when their child is going to be tested for a development problem without their consent. If you explain the process and how it can help to determine if the child is developmentally behind it can ease the parent’s mind and make everyone more comfortable. I feel that assessments can be beneficial if they are conducted in the proper manner. Making a child feel more comfortable in their environment is the best way to truly assess them and find out if they are lagging in certain areas of development. It is equally important to always keep the parents involved in all decisions affecting their child and the processes used to assess them. The information used by assessments can help make sure children are developmentally on track, just remember the most important factor is the comfort level of the child. Without assessments a plan of action cannot be implemented or executed if the child is behind in any facet of development. Bibliography Logsdon Ann. Testing for Infant and Toddler Development. About. com Guide. http://learningdisabilities. about. com/od/intelligencetests/p/battelledevelop. htm. Accessed on December 10, 2012. ERIC Clearinghouse on Assessment and Evaluation. Assessments for Young Children. 1999. http://www. 1donline. org/article /6040/ Accessed December 10, 2012. Sue C. Wortham (2012). Assessment in Early Childhood Education. 6th ed.

Childrens Day Essay Example for Free

Childrens Day Essay Children are adorable. They are like divine gifts that parents get from the almighty. Their eyes are full of innocence. They smile when they receive love and admiration, they cry when it is their first day at school away from their parents, they giggle when they mingle with their buddies, and they signify nothing but the pure and faithful love. They truly symbolise god. 14th November is celebrated as childrens day in all over India. 14th November is also the birthday of Pandit Jawaharlal Nehru, the first prime minister of independent India. Childhood memories are sweetest of all. They can be savored for a lifetime. Childrens day celebration is fun for the little ones but it is important for the parents too. Every parent must understand the importance of the childrens day. Parents should be well aware about the little desires of their angels. Chacha Nehrus love for children Do you know why Pandit Jawaharlal Nehrus birthday is celebrated as the childrens day? Pandit Nehru was a great leader. He worked passionately for the welfare of children and youngsters soon after independence. He was keen about welfare, education, and development of children in India. He was fond of children and thus became popular as Chacha Nehru (Uncle Nehru) among his little admirers. Nehru was very particular about the progress of the Indian youth. He wanted to create responsible citizens out of young boys and girls. Under his regime he established several educational institutions including All India Institute of Medical Sciences, Indian Institutes of Technology, and Indian Institutes of Management. He included and highlighted the point in his five years plan that every child in India would get free and compulsory primary education. Over thousands of schools were built through out the villages of India when Nehru was in power. He also brought the scheme to distribute free meals and milk to school children in India to prevent malnutrition. Pandit Jawaharlal Nehru himself was destinys child. He struggled a lot for the welfare of India. It is believed that he admired two things a lot, red roses and children. His love and passion towards children is the reason why we celebrate Childrens Day on his birthday. Why do we celebrate Childrens Day? Childrens Day celebration is the tribute to childhood. John Kennedy, 35th US president has quoted it rightly, Children are the worlds most valuable resource and its best hope for the future. We cannot hide the fact that many children in India are not getting basic privileges like education. Many children are earning money instead of playing with toys. The true essence of childrens day is to understand the significance of childhood in our lives. The values and disciplines learned as a child are responsible for the kind of adulthood one has. Thus childhood is special and should be celebrated. Childrens Day is to remind all young and adults about childrens right to enjoy their childhood without any boundaries and to be educated adult in the future. Childrens Day is to revise the right methods of raising children. Childrens Day Celebration 20th November is Universal Childrens Day. In India lots fun activities and programs are organized on the childrens day. Childrens Day is called as Bal Divas in Hindi. On this particular day government, NGOs (non government organisations), schools, and some private bodies conduct competitions and events for children. Various cultural programs are organized through out the schools. Special television programs for children are broadcasted on 14th November. Parents too are eager about childrens day. Some parents buy gifts for their sons and daughters. Some parents give greeting cards to their children to express their wishes on this special day. As parents we should not let this day pass as other ordinary day. It is our duty to make childrens day special for our child. You may take your child to visit some NGO or childrens home on this day. You can imbibe some precious values in him though generous acts. Your child can give away some of his belongings to other poor children. In such a way he will get to know the real significance of this day. Make every 14th November special for your child. After all, Children will not remember you for the material things you provide them but for the feeling that you cherished them.

The Seven Layer Osi Model

The Seven Layer Osi Model Seven-layer OSI model is a logical layer and developed by the ISO international standardization organization. The purpose of this layer is to understand the transmission of data flows from source to destination and to identify problems during data transmission. The seven layers include Application, Presentation, Session, Transport, Network, Data link and Physical layer. The sequence of layer names to be remembered by this phrase All people seem to need data processing. The following is a general description of each layer. OSI reference model is now being considered as the main model for the internetworking and inter computing. The seven layers divide the task of data transmission in sub tasks and then complete the data transmission cycle. QUESTION 1 In the 1980s, the European-dominated International Standards Organization (ISO) began to develop its Open Systems Interconnection (OSI) networking suite. OSI has two major components: an abstract model of networking (the Basic Reference Model, or seven-layer model), and a set of concrete protocols. Briefly explain each of the seven OSI layer included their function and usage in data communication and networking. OSI Reference Model OSI reference model (Open Systems Interconnection) illustrates how information from a software application on a computer moves through a network medium to a software application on another computer. OSI reference model is conceptually divided into 7 layers where each layer has a specific network function, as described by figure 1.1 (with no physical media). This model was created based on a proposal made by the International Standards Organization (ISO) as a first step toward international standardization of protocols used at various layers. à ¯Ã‚ ¿Ã‚ ½This model is called ISO OSI (Open Systems Interconnection) Reference Model because this model is intended for sharing open systemà ¯Ã‚ ¿Ã‚ ½.[1] Open Systems can be interpreted as an open system to communicate with other systems. For his brief, we will call this model as the OSI model only. Figure 1.1. OSI Reference Model OSI model has seven layers. The principles used for the seven layers are: 1. A layer must be made when needed different levels of abstraction. 2. Each layer shall have certain functions. 3. The function of each layer should be chosen carefully in accordance with the provisions of international protocol standards. 4. Layer boundaries labored to minimize the flow of information through the interface. 5. The number of layers must be quite a lot, so that different functions do not need to be united in a single layer outside needs. However, the number of layers must also be cultivated as little as possible so that the network architecture does not become difficult to use. Below discuss about each layer of the OSI model sequentially, starting from the bottom layer. It should be noted that the OSI model itself is not network architecture, because this model does not explain the exact services and protocols to be used on any layer. OSI model only explains about what should be done by a layer. However, ISO has also established standards for all layers, although these standards do not constitute a reference model itself. Each layer has been declared as a separate international standard. Characteristics of the OSI Layers To seven layers of OSI reference model can be divided into two categories, namely upper and lower layers. The top layer of the OSI model deals with application issues and generally implemented only in software. The highest layer (application layer) is the cover prior to the user (users), both users and application layer processes interact with software applications that contain a communication component. The term upper layer is sometimes used to refer to some of the top layer of another coating layer in the OSI model. The bottom layer of the OSI model to control data transport issues. Physical layer and data link layer implemented in hardware and software. The layers below the others are generally only implemented in software. à ¯Ã‚ ¿Ã‚ ½The lowest layer, the physical layer is a layer of cover for the physical network medium (cable networks), and as responsible for the placement of information on the network mediaà ¯Ã‚ ¿Ã‚ ½.[2] The following table shows the separation of the two l ayers in the layers of the OSI model. Application Application Overlay Presentation Session Transport Data Transport Undercoat Network Data Link Physical Table 1.2 Separation of top layer and bottom layer of the OSI model Protocol OSI model provides a conceptual framework for communication between computers, but this model is not a method of communication. In fact communication can occur due to use of communication protocols. In the context of data networks, a protocol is a formal rules and agreements that determine how computers exchange information over a network medium. A protocol implements one or more of the layers of the OSI. A wide variation of the communication protocol, but all maintains the flow in one group: the LAN protocols, WAN protocols, network protocols, and routing protocols. LAN protocols operate at the physical and data link layer of the OSI model and define communication over various LAN media. WAN protocols operate at the third lowest layer of the OSI model and define communication over various WAN. Routing protocol is a network layer protocol that is responsible for determining the road and traffic arrangements. Finally, the network protocol is different from the upper layer protocols th at exist in a series of protocols. Layers of the OSI Model Physical Layer Physical Layer functions in the delivery of raw bits into the channel of communication. Design issues that must be considered here is to ensure that when one side sends data 1 bit, the data must be accepted by the other side as a bit too, and not 0 bit. The question that arises in this case is: how many volts should be used to declare a value of 1? And how many volts is also required for the number 0?. It takes a bit how microsecond will be exhausted? Is the transmission can be processed simultaneously in both directions? How many pins are owned by the network and what is the use of each pin? In general, design problems are found here related to the mechanical, electrical and procedural interfaces, and physical media which is under the physical layer. Data Link Layer The main task of the data link layer is as raw data transmission facility and transforms the data to a channel that is free from transmission errors. Before forwarded who work layer, data link layer perform this task by allowing the sender meme cage breaking input data into a number of data frames (usually numbering in the hundreds or thousands of bytes). Then the data link layer transmits these frames in sequence, and process the acknowledgment frames sent back by the recipient. Because the physical layer send and receive bit stream without regard to the meaning or architectural frame, then depending on the data link layer was to create and recognize frame boundaries it. This can be done by affixing a special bit to the beginning and end of the frame. If incidental bit patterns can be found in the data, it is necessary to pay special attention to ensure that the pattern is not incorrectly considered as the boundaries of the frame. The occurrence of noise in the channel can damage the frame. In this case, the data link layer software on the source machine to send back the broken frame. However, transmission of the same frame over and over again can cause duplication of frames. Duplicate frames need to be sent if an acknowledgment frame from the receiver who returned to the sender has been lost. à ¯Ã‚ ¿Ã‚ ½Depending on the layer is to overcome the problems that caused the destruction, loss and duplication of frames. The data link layer provides some service classes for the network layer. This service class can be distinguished in terms of quality and priceà ¯Ã‚ ¿Ã‚ ½.[4] Other problems that arise in the data link layer (and also most of the layers above it) are seeking the smooth process of data transmission from the sender to the recipient a slow speed. Mechanism of regulation of traffic data should allow the sender to know the amount of buffer space owned by the recipient at a certain moment. Often setting flow and error handling is done in an integrated manner. Channel that can send data in both directions also can be problematic. So therefore need to be considered for the data link layer software. Problems that can arise here is that the frames acknowledgement flowing from A to B compete with each other ahead of the flow from B to A. Settlement of the best (piggy backing) could have been used, then we shall discuss it in depth. Broadcast networks have an additional problem in the data link layer. The problem is in terms of controlling access to a shared channel. To fix this you can use a special sub layer of data link layer, called the medium acc ess sub layer. Network Layer Network layer serves to control operation of the subnet. Important design problem is how to determine the route packets from source to destination. Route can be based on static tables are linked to network. Route can also be determined at the beginning of a conversation such as a terminal session. Finally, the route can also be very dynamic; it can be different for each package. Therefore, the delivery route of a packet depends on network load at that time. If at the same time in a subnet there are too many packets, then there is the possibility of the packages arrive at the same time. This can lead to bottlenecks. Congestion control as it is also the task of the network layer. Because the sub net operators expect the good fortune of his job duties. There is often some accounting function built at the network layer. To make billing information, at least the software should calculate the number of packets or characters or bits that are sent by each customer. Accounting becomes more co mplicated, when a packet crosses a country that has a different rate. The move packets from one network to another can also cause problems that are not small. Addressing mode used by a network can be different from the methods used by other network. A network may be unable to receive the package at all because the packet size is too big. Protocol was be different, as well as others. Network layer has been given the task to solve all these problems, allowing different networks interconnected to each other. Transport Layer The basic function is the transport layer receives data from the session layer, split the data into pieces smaller if necessary, forwards the data to the network layer, and ensure that all pieces of data can arrive at the other side correctly. Moreover, all this must be done efficiently, and aims to protect the upper layers of the changes in hardware technology that can not be avoided. Under normal circumstances, the transport layer makes the network connection is different for each transport connection which is required by the session layer. When the transport connection requires a high throughput, then the transport layer can make a lot of network connections. Transport layer divide sending data to a number of networks to increase throughput. On the other hand, if the manufacture or maintenance of the network connection is quite expensive, transport layer can combine multiple transport connections to the same network connection. This is done to make this merger is not seen by the s ession layer. Transport layer also determines the type of service for the session layer, and in turn the type of service for users of the network. Type of the most popular transport layer is a channel error-free point to point that forward messages or bytes in accordance with the order delivery. However, there are also other types of transport services. The services are transport isolated messages that do not guarantee order of delivery, and broadcast messages to a number of purposes. Type of service determined when the connection starts. Transport layer is a layer end to end in fact, from source to destination. In other words, a program on the source machine to bring the conversation with the same program on the target machine. In the lower layers, there are protocols between the two machines and other machines that are close by. Protocol is not located in the outer or the source machines outer purpose machine, which may be separated by a router. The differences between layers 1 to 3 are intertwined and layer 4 to 7 are end to end. This can be explained as shown in Figure 1-1. In addition to merging multiple streams of messages into a single channel, transport layer must be careful in defining and deciding on the network connection. This process requires a naming mechanism, so that a process on a machine has a way to explain with whom the machine wants to talk. Also there should be a mechanism to regulate the flow of information, so that the flow of information from a fast host does not overwhelm a slow host. Such mechanism is called flow control and plays an important role in the transport layer (also in other layers). Flow control between hosts with different hosts by controlling the flow of the router with the router. Well find out later that the same principles used for both types of the control. Session Layer Session layer allows users to establish sessions with other users. A session in addition allows ordinary data transport, as did the transport layer, also provides special services for specific applications. A session is used to allow one user logs into a remote timesharing system or to move files from one machine to another to machine. A session layer service is to implement the dialogue control. Sessions can allow traffic to move in two directions at one time or only in one direction only. If at one time in traffic only in one direction only analogous to a single railway line, the session layer helps to determine who is entitled to use the channels turn at an instant. Service sessions are described as token management. For some protocols, it is important to ensure that both parties concerned do not perform surgery at the same time. To regulate this activity, the session layer provides tokens that can turn. Only a party that holds the token is allowed performs critical operations. Another session is a synchronization service. Take for example that can occur when trying to transfer files that lasted 2 hours from one machine to another machine with the possibility of having an interval of 1 hour between the two crashes that can occur. After each transfer is canceled, the transfer may need to be repeated again from scratch, and may experience another failure. To reduce the possibility of this problem, the session layer can insert a specific sign to the flow of data. Therefore, if a crash, only the data that is after the sign is to be transferred back. Presentation Layer Presentation layer performs certain functions that are required to ensure the discovery of a common solution for certain problems. Presentation Layer does not allow users to solve their own problems. Unlike the layers underneath are only moving the bits from one place to another place, presentation layer attention to syntax and semantics of information transmitted. One example is the encoding of data presentation service. Most users do not move a random string of binary bits. The users exchange data just as the name, date, amount of money, and bills. The items are expressed in the form of a string of characters, integer numbers, floating point numbers, a data structure formed from some simpler items. There is a difference between one computer to another computer in a given code to declare a string of characters (for example, ASCII and Unicode), integer (for example, complement and complement one two), and so forth. To allow the two computers that have different presentation to commun icate, data structures to be exchanged can be expressed by means of abstract, in accordance with standard encoding to be used on line. Presentation layer-data set and convert this abstract structure of representation that is used on a computer into a network standard representation, and vice versa. Application Layer Application layer consists of a variety of protocols. For example there are hundreds of incompatible terminal types in the entire world. Take the situation where full-screen editor is expected to work on a network with a variety of terminals, which each have different screen layouts, have a way different sequence of keystrokes for the insertion and deletion of text, move the sensor and so forth. One way to overcome such problems in data is to define an abstract network virtual terminal, so editors and other programs can be written for each corresponding. To handle each terminal type, one part of the software must be written to map the network virtual terminal functions to the actual terminal. For example, when moving the cursor editor virtual terminal into the left corner of the screen, the software should issue the appropriate command sequence to achieve the cursor. All virtual terminal software is in the application layer. Another application layer function is file transfer. File systems from one another have different naming conventions, how to express the lines of text are different, and so forth. Transfer files from a system different to other systems that require treatment to overcome the lack of this compatible. The task is also a job application layer, such as electronic mail, remote job entry, directory lookup, and various general purpose facilities and other special purpose facilities. CONCLUSION The process of sending a data to be sent to the recipient. Sender processes submitting data to the application layer, which then add the user application header, the AH (which may also be empty), the front end and submit the results to the presentation layer. Presentation layer can form these data in various ways and may just add a header at the front end, which is given by the session layer. It is important to remember that the presentation layer is not aware of the data which are marked AH by application layer is the data users really are. The process of granting this header repeated until the data reaches the physical layer, where data will be transmitted to other machines. On these machines, all headers were be removed one by one until reaching the admissions process. Figure1 .3 Examples of how the OSI model used The key here is that although the actual data transmission is each layer is programmed as though the transmission in question took place horizontally. For example, when transport layer delivery get a message from the session layer, transport layer will then affix the transport layer header and sends it to the receiver transport layer. INTRODUCTION Computer networks are a tool, known also as nodes, relating to media liaison. Node may consist of a computer, printer or other device to send and receive data generated by other nodes, nodes in the network. Media Liaison, also known as communication media. On this day, there are various types of networks, including local area network (LAN) and wide area network (WAN). The largest network in the world is the Internet. Edit Development. Network started with a small building, the connection about ten computers and a printer. The technology that exists at the time the computer is connected to limit the number and length of communications cable that can be allowed on the network. In the early nineties the communication cable can be pulled so far about 600 feet to the extension of approximately 30 computers only. This network is suitable for a small organization known as local area network (LAN). LANs typically connect devices in a building or a building. A LAN can be built only with two computers and a printer or can be extended only in one building to include audio and video software. LAN size is limited to a distance of several kilometers only. LAN with data rates from 4 Mbps to 100 Mbps. Network connections from different countries has established the development of LAN to the wide area network (WAN). WAN can be sending data, audio and video at distances up to cover a country or continent or around the world. QUESTION 2 Briefly explain at least four (4) topologies of networks and suggest how we implement these topologies in networking. MAIN BODY Network can be of any of the following three types: Local Area Network: Figure: 2.1 Local Area Network Local Area Network (LAN) is a limited range of geographical barriers such as a laboratory, a school or building. In a typical LAN configuration, one of the computers used as file server file server that functions to keep all the software that controls the network. All computers are connected to the server file known as a workstation. Computer workstation comprising a desktop computer specifications less than the server and also may have software on the disk severity. Cable used to connect the LAN via network card installed on each computer. Metropolitan Area Network: Figure : 2.2 Metropolitan Area Network Town Area Network (MAN) covers a wider geographical area as a region or city. Widespread area network connecting a number of Local Area Network in a place to enable sharing of information carried. Universities and government agencies Wide spread Area Network to communicate with the other communities and private industries. One example is the MAN MIND Network, located in Pasco County, Florida which enables communication between the Central Pasco Media Center Main Frame using a telephone line, coaxial cable, and wireless communication providers. Wide Area Network: Figure : 2.3 Wide Area Network Widespread Area Network (WAN) covers a wider area as a state, nation and world. To create a WAN requires systems across the sea or the use of microwave or satellite. Use WAN enables communication between the states can be implemented quickly. Configuring the WAN is complex and requires a hardware multiplexing multiplexer for LAN and MAN links for access to a comprehensive communications network such as the Internet. Network Topology: Figure : 3.1 Network Topology à ¯Ã‚ ¿Ã‚ ½A computer network system using communication line that connects computers to each otherà ¯Ã‚ ¿Ã‚ ½.[5] There are various methods that can be used for the communication and is known as topology. Topology can be considered as a virtual shape or structure of a network. This shape actually does not correspond to the actual physical design of the devices on the computer network. The computers on the home network can be arranged in a circle shape but it does not necessarily mean that it presents a ring topology. There are few types of topologies for computer networks, namely: Star Network Topology Figure :3.1.1 Star Network Topology Star topology is a network where all computers or other devices connected to the central distribution system, known as the Hub or Switch. Hub or Switch is responsible for managing the computer network. All messages or data that is sent to a central control hub for avoid collisions from occurring. There are two operations that used by the hub or switch that is operating broadcast and the operations of the transition switching. à ¯Ã‚ ¿Ã‚ ½Distribution operations, hub or switch will make the delivery of data received from one station to all the routes connecting them. In transition operations, the hub or switch will save the data received and sends the data through a receiving stationà ¯Ã‚ ¿Ã‚ ½.[3] Each node can be connected to the network and can be removed at any time without affecting the whole system of directly by. Furthermore, if one node does not work, it will not affect other computer networks. Any damage to the connection between the hub nodes will not affect the system as a whole, but if the damage occurred on the hub, the entire system will also be affected. The main weakness of this topology is that it requires a fairly high cost in view of all systems connected to it computers, scanners, printers, etc. requires its own cable. Ring Network Topology Figure :3.1.2 Ring Network Topology In local area networks where the ring topology is used, each computer is connected to the network in a closed loop or ring. The Messages or data to be transferred in order according to the same path in the same ring. Network technology was first used by IBM systems with Type I in the category of cable shielded Twisted Pair STP. Each data node will be checked by delivery location. If not the same node strike, it will be submitted to the next node and this will continue until the delivery address the same node strike. à ¯Ã‚ ¿Ã‚ ½As the data is transferred by the same route as the sequence of the potential for violations of data that appears to be similar to the network and can be removed at any time without affecting the whole system of directly byà ¯Ã‚ ¿Ã‚ ½.[6] However, one problem that arises is if a node fails, the entire network will probably also be affected. Arrangement of nodes in this topology is almost the same physically as star topology; only a logical was a ring. The attachment is required in this topology is called Multi Station Access Unit (MSAU). MSAU is installed in a ring-shaped network where it is more than one unit. If only one unit only used the physical topology is similar to the star connection. Bus Network Topology Figure :3.1.3 Bus Network Topology Bus topology, are also known as the Ethernet using a line length where each node in relation to him. Data will be sent by each node in the hope that it does not collide with data transmitted from other nodes. If it happens, the node will try again until successful. Weakness of the bus topology is in terms of maintenance. It is quite difficult to maintain in view of the connection is in the form of a series. In the event of damage to any line at any node, it will cause the entire system will not work. In addition to accurately locate points or nodes those are damaged. Each node can be connected to the network and can be removed at any time without affecting the whole system directly. Furthermore, if one node does not work nor does it affect other computer networks. The other advantage is there in this topology is that it uses a single cable and requires no additional hardware to build the network. But it does not require a very high cost for maintenance purposes. Tree Network Topology Figure :3.1.4 Tree Network Topology The tree topology is essentially a hybrid of the bus and star layouts. It is also known as a hierarchical topology and has a central root node that is connected to one or more nodes of a lower hierarchy. à ¯Ã‚ ¿Ã‚ ½In a symmetrical hierarchy, each node in the network has a specific fixed number of nodes connected to those at a lower levelà ¯Ã‚ ¿Ã‚ ½.[3] Apart from these basic types of network topologies, there are hybrid network topologies, which are composed of a combination of two or more basic topologies. These network mappings aim at harnessing the advantages of each of the basic topologies used in them. Network topologies are the physical arrangements of network nodes and wires. What is interesting is that the inanimate nodes and wires turn live for the transmission of information. Mesh Network Topology Figure :3.1.5 Mesh Network Topology In a full mesh network, each network node is connected to every other node in the network. Due to this arrangement of nodes, it becomes possible for a simultaneous transmission of signals from one node to several other nodes. In a partially connected mesh network, only some of the network nodes are connected to more than one node. à ¯Ã‚ ¿Ã‚ ½This is beneficial over a fully connected mesh in terms of redundancy caused by the point-to-point links between all the nodesà ¯Ã‚ ¿Ã‚ ½.[5] The nodes of a mesh network require possessing some kind of routing logic so that the signals and the data traveling over the network take the shortest path during each of the transmissions. CONCLUSION Topologies are essence of computer networks design. Efficient networks can only be built based on the complete knowledge and understanding of above mentioned topologies. Knowledge of every communication device is of equal importance to help you find the best option for your network requirements. Optimum networks can be built with complete knowledge and understanding of computer network devices and how they are designed, any mistake in choosing inappropriate techniques, device etc can only be the waste of time, resources and efforts. APPENDIX Figure 1.1. OSI Reference Model Application Application Overlay Presentation Session Transport Data Transport Undercoat Network Data Link Physical Table 1.2 Separation of top layer and bottom layer of the OSI model Figure1 .3 Examples of how the OSI model used Figure: 2.1 Local Area Network Figure : 2.2 Metropolitan Area Network Figure : 2.3 Wide Area Network Figure : 3.1 Network Topology Figure :3.1.1 Star Network Topology Figure :3.1.2 Ring Network Topology Figure :3.1.3 Bus Network Topology Figure :3.1.4 Tree Network Topology

Great Depression Essay -- American History Economy Economics Essays

Great Depression In the United States between 1929 and 1933, one hundred thousand businesses were unsuccessful. Corporate profits plummeted by nine billion dollars. Americans’ deposits were vanishing behind the closed doors of the banks. At the beginning of 1930 those without jobs totaled four million; however, by the end of 1930 that number had rose to six million (Norton 696). All of these events characterizing the Great Depression were occurring during the Herbert Hoover administration. From 1929 until his election loss in 1933, Hoover was â€Å"presiding over a gloomy and sometimes angry nation† (696). While Hoover seemed like an excellent candidate for the leadership of America, it was unknown at the time that he couldn’t offer the right leadership at the right time for the United States. America was diminishing and the country needed a leader who could pull the people out of this recession. â€Å"A new deal† needed to happen with a new president. The depress ion and its’ characteristics helped to define the deal that Americans would receive in 1933 by Franklin Delano Roosevelt. As the Great Depression grew deeper necessities became luxuries. Millions of Americans were freezing in addition to hungry and sick. Fuel was unattainable because it was unaffordable. Soup kitchens and bread lines became popular for many families in the United States. The homeless Americans crafted together small box towns called Hoovervilles (698). These â€Å"houses† were created out of anything from egg crates to boards, bricks, and dirt. In 1929 a total of 659 banks around America closed their doors. By 1930 the number had leaped to a surprising 1,350. In 1931 alone 2,293 banks went under while another 1,453 quit doing business. Money was... ...oducers on the top. The only difference is that instead of pumping the money to the producers first, it is pumped to the consumers. That way there is a reason to have production and the people have money to buy what the producers made (Manzione). This theory did not solve the Great Depression but it alleviated the symptoms. â€Å"The New Deal as a whole managed to do two major things: keep the country unified and coherent and to preserve the United States’ infrastructure† (Manzione). Roosevelt’s New Deal changed the political ideology forever. Some scholars even argue that there are two periods of government in America: pre-Roosevelt and post-Roosevelt. Whether they are right or wrong, it is inarguable that the New Deal did what it was supposed to do which was treat the symptoms of the Great Depression, which could not be solved until the onset of World War II. Great Depression Essay -- American History Economy Economics Essays Great Depression In the United States between 1929 and 1933, one hundred thousand businesses were unsuccessful. Corporate profits plummeted by nine billion dollars. Americans’ deposits were vanishing behind the closed doors of the banks. At the beginning of 1930 those without jobs totaled four million; however, by the end of 1930 that number had rose to six million (Norton 696). All of these events characterizing the Great Depression were occurring during the Herbert Hoover administration. From 1929 until his election loss in 1933, Hoover was â€Å"presiding over a gloomy and sometimes angry nation† (696). While Hoover seemed like an excellent candidate for the leadership of America, it was unknown at the time that he couldn’t offer the right leadership at the right time for the United States. America was diminishing and the country needed a leader who could pull the people out of this recession. â€Å"A new deal† needed to happen with a new president. The depress ion and its’ characteristics helped to define the deal that Americans would receive in 1933 by Franklin Delano Roosevelt. As the Great Depression grew deeper necessities became luxuries. Millions of Americans were freezing in addition to hungry and sick. Fuel was unattainable because it was unaffordable. Soup kitchens and bread lines became popular for many families in the United States. The homeless Americans crafted together small box towns called Hoovervilles (698). These â€Å"houses† were created out of anything from egg crates to boards, bricks, and dirt. In 1929 a total of 659 banks around America closed their doors. By 1930 the number had leaped to a surprising 1,350. In 1931 alone 2,293 banks went under while another 1,453 quit doing business. Money was... ...oducers on the top. The only difference is that instead of pumping the money to the producers first, it is pumped to the consumers. That way there is a reason to have production and the people have money to buy what the producers made (Manzione). This theory did not solve the Great Depression but it alleviated the symptoms. â€Å"The New Deal as a whole managed to do two major things: keep the country unified and coherent and to preserve the United States’ infrastructure† (Manzione). Roosevelt’s New Deal changed the political ideology forever. Some scholars even argue that there are two periods of government in America: pre-Roosevelt and post-Roosevelt. Whether they are right or wrong, it is inarguable that the New Deal did what it was supposed to do which was treat the symptoms of the Great Depression, which could not be solved until the onset of World War II.

Chernobyl Essay -- Nuclear Chernobyl History Essays

Chernobyl On April 26, 1986 disaster struck the world. It was not a disaster like any other before. A new type of death was now shown to the world. Although during World War II people encountered radiation sickness and death, that was sadly intended. The explosion at the Chernobyl nuclear powerstation was undoubtedly the worlds largest nuclear accident. That was the difference. It was accidental, and although innocent people were killed or made sick in the past from radiation, this would prove to be the most disastrous of any incident (other that war) involving radiation. First of all, I should tell you exactly where Chernobyl is. Chernobyl is a rather small town in the Ukraine right near Belarus. It is north of Kiev, the Capital of Ukraine. Kiev is only One hundred and ten kilometers away from Chernobyl and has a population of 2.4 million. Chernobyl’s population is 12,500. In 1986, 10 percent of all the worlds nuclear energy was generated by the USSR. By the year of the accident (also 1986) 4 reactors at Chernobyl’s power station were the most modern reactors to date. These are known as the RBMK type. RBMK is a Russian acronym and when translated roughly means â€Å"reactor cooled by water and moderated by graphite.† This is one of two types of reactors that Soviets have built for the production of nuclear power. The reactor is made up of Three main important parts. The reactor vessel- this houses all other reactor parts. The Core- this consitsts of a huge container filled with the graphite blocks and the Control Rods which are long metal rods. In the Chernobyl reactors, these rods contain boron. They help to control chain reactions by absorbing f... ...incident, put an end to the development of nuclear power plants. Since 1979 no new nuclear power plants have been builtâ€Å"...http://library.thinkquest.org/3426/data/worldwide-effects/rest.html The fact that no more nuclear power plants have been created has created a big issue. Eventually we may be forced to build a new one. In fact plans are already being discussed about how to go about building these or finding alternative energy sources. Storage is also a problem because of the nuclear waste, that no one wants to claim responsibility for, and no one wants to deal with the risks of it. (nimby) So in a few years, changes are going to occur, and I heard it here in class first. That when we hear about the National Guard escorting trucks to Alaska through Canada or trucks containing nuclear waste being escorted through highways, the change has begun.

College Fraternities :: essays research papers

College Fraternities College fraternities have always struck me as being an organization of guys who spend their time drinking beer and having their "social gatherings" (parties). Just moving to Austin recently (which is by no doubt a "college city") has made me want to know more about the sole purpose of these fraternities. For these reasons I chose to select this culture for my essay. The definition of a fraternity is defined as " chiefly social organization of male college students, usually designated by Greek letters". (Morris 1982:523) This definition is not true to all where most fraternity members are seen as drunks who accomplish nothing scholastically or socially . Unfortunately, the definition and portrayal of the people fails to mention the fact that membership in a fraternity is a life-long experience that helps its members develop social, organizational, and study skills, and also teaches true, everlasting friendship. As a matter of fact most of our presidents were members of a Greek organization. "The first fraternity was founded for literary and social purposes at The College of William and Mary in Williamsburg, Virginia on December 5th 1776." (Klepper 1937:24) Throughout the nineteenth century many new fraternities were founded, but none of these were permanent. By the end of the nineteenth century there were over thirty general fraternities in the country. Today's fraternities still have the characteristics of past fraternities. These characteristics include "a ritual, oaths of fidelity, a grip, a motto, a badge , friendship and comradeship (Klepper 1937:56) . During membership one must learn leadership skills. For this reason fraternities embrace these offices held by members: President, Vice-president, Treasurer, Scribe, etc. Since membership is seen as a great achievement by other organizations, every brother must be able to uphold that office at any time. Organization is a must for every member. Fund raising activities and community service are priority in every chapter, and each member is required to take part in these activities as an act of pledge, and a brother. This helps a member to develop organization and planning. Living together in what is known as a fraternity house adds to the development of social skills and being able to live with different kinds of people in different situations. Fraternities are famous for their social gatherings (parties) which requires all members to be socially active and also develop social skills. It is normal for fraternities to organize study groups during the school year and before exams. Most fraternities keep test files and other study aids available for the benefit of their members. A lot of members are able to receive scholarships and awards based on academic excellence, leadership and

Girl with the Pearl Earrings Essay

There could be many different interpretations of the ending scene when the pearl earrings are returned to Griet. The look on Griet’s face is a look of shock, some anger, and recollection. Catharina gave Griet the pearl earrings because she cannot bear to wear them, nor stand the sight of them since the day she saw the painting. Vermeer betrayed Catharina and the earrings are the biggest reminder of the betrayal, so to move on from the time Griet spent as their maid and rid all those memories from her mind she needed to give away the earrings. Catharina could have given them to anyone, sold them, or even just threw them away; instead she chose to give them to Griet. She gave them to Griet, to let Griet know that she is not mad at her and she understands Griet did nothing wrong. Catharina shows that her anger and hurt comes from Vermeer’s betrayal when she, with tears in her eyes, looks at Vermeer and asks â€Å"Why don’t you paint me? † In which Vermeer replies that she doesn’t understand. Catharina then in a rage tries to slash the painting, but Vermeer stops her. She then shifts her anger to the only thing she can do, which is make Griet leave. Catharina making Griet leave was misplaced anger, it was anger she wanted to take out on her husband and the painting but couldn’t. Therefore to make it up to Griet for making her leave, she sent her the pearl earrings. She was an emotional wreck in tears and screaming, outranged by her husband’s actions and Griet was a weak young girl she could at the time let her anger out on. After a few days of thinking she realized she was wrong and had Tanneke take the gift to Griet. Vermeer not only betrayed his wife but he also betrayed Griet at the end. When Catharina tells Griet to leave Griet looks at Vermeer to say something, to let Catharina know she has done nothing wrong. Vermeer says nothing though and just lets her leave, which is devastating to her. Griet then even tries one more time to go to talk to him before she leaves to give it one more chance, but he just lets her leave. Vermeer is to blame for all that happened, but lets his wife take the blame out on Griet and then lets Griet take the blame that should be his. He hurts everyone in this story, instead of being a man and taking up for his wrong actions, he is childlike. The sudden music that plays in the movie when Griet opens the earrings is a shocking sound, in disbelief that Catharina has given them to her and is not mad. Griet at first is shocked, and you can see it all over her face. Then she clutches them in her hand as to say thank you and looks off in the other direction as thinking â€Å"What should I do now? † I did not think I would enjoy this novel because I’m not very into historical fiction but I actually enjoyed the novel and movie very much. It was extremely interesting to me, kept me constantly thinking about what each character was thinking. I do however wish the ending had a little more, like maybe letting us know where Griet ended up but I guess we are just supposed to figure that out our selves.

Analysis Unit 7 Essay

After nineteen years working as a plant maintenance engineer, employee Bob Thomas was terminated after Jean Lipski the Human Resources Director discovered that Bob was involved in starting a union at the Apollo Corporation. This case will answer the questions: 1. what, if any violation of the law did Apollo Corporation commit? 2. What may be the arguments that Jean Lipski and Bob Thomas use to defend their cases? The case study will also briefly list things mangers should not do to commit unfair labor practices. Review/Analysis of the Case Apollo Corporation is a company that makes component parts for the communication industry. Bob Thomas a Plant Maintenance engineer worked for the company for nineteen years. During the previous five years of his employment his attendance was insufficient, he was a complainer, and also was reported as being a troublemaker. The Apollo Corporation had a laid-back type of atmosphere. As a result of the companies not enforcing the policies strictly and applying disciplinary action against employees not conforming to company policy and a failure to comply with such polices were never put to use (Bohlander 2007). Apollo Corporation is involved in highly competitive industry to produce; HR Director Jean Lipski met with the managers during several meetings and instructed them to exercise their supervisory relationship employees. The employees that did not adhere to HR policies would have disciplinary action against them. Bob and several of the employees were not happy of hearing about the enforcement of the policies. Bob also began to worry about his job, because his attendance was so poor and being labeled as troublemaker and complainer. So Bob contacted the union organizer of the Brotherhood of Machine Engineers. Bob conveyed to the union organizer that he wanted to start a union drive in the company. After a week went by fliers were handed out to the employees about a union meeting. Jean Lipski found out that employees were putting together a meeting to discuss being a union and Bob was the leader of the campaign, Jean called Bob Thomas into her office and terminated his employment with company on the basis of his unsatisfactory work performance and less than perfect attendance. Bob immediately called the union organizer and informed him of his discharge from The Apollo Corporation. Bob and the union organizer immediately headed to the regional office of the NLRB to file unfair labor practice charge against The Apollo Corporation for involvement to unionize the company. Analysis of Findings Apollo Corporation could be charged with unfair labor practices of the National Labor Relations Board (Belcourt, 2004). The National Labor Relations Act, section 7 states â€Å"employees have the right to self-organization, to form, join or assist labor organization. †(p597) Bob Thomas termination happened shortly after he contacted a union organizer and started an campaign for a meeting to be held so that the employees could become unionized Jean Lipski arguments could be based off the fact that Bob had a record of poor attendance and unsatisfactory performance on the job and that was reason for his dismissal. Jean also could argue that she had conducted meetings with the managers to enforce the performance polices and that they were already being set in place and the fact that Bob contacted a union organizer was only to secure his job, because of his lack of performance. Bob Thomas could argue that he was discharged for his involvement in trying to unionize the company. Bob could point out the fact that The Apollo Corporation had been lax in their disciplinary practices in the past and he never suffered any repercussions for his poor performance, until he contacted a union organizer. He could further argue that his termination after contacting an organizer is a violation of the employee right to organize. Recommendations In order for this type of case to never happen again managers need to be aware of the unfair labor practices. Managers should not hire, promote or terminate employees on the basis of their union membership or gender, race and even religion (Belcourt 2004). Meetings should be held with both managers and employees. Most important, disciplinary policies should be enforced from the beginning of employment. Summary and Conclusions . This case study showed how an employee and a company not following their company policies from the beginning of employment can turn into a legal conflict involving the union. Employers have to practice fair labor and be knowledgeable of union practices in order to protect themselves from being accused or sued for discrimination.