COMPUTER FUNDAMENTALS SECTION A PART ONE MULTIPLE CHOICES: 1. (b) Two types. 2. (b) 1 or more input signals to produce output. 3. (d) Both (a) and (c). 4. (b) Non-volatile. 5. (c) Direct-access storage device. 6. (c) Multiple object program files of any software. 7. (d) None of the above. 8. (b) way in which the network’s nodes are linked together. 9. (a) World wide web 10. (a) General purpose electronic equipment for homes. PART TWO 1. WRITE A SHORT NOTES ON “THE OSI MODEL”
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Build a Computer Computers are one of those technologies that‚ as the years pass‚ get more complicated yet simpler at the same time. The truth is‚ a person need not know anything at all of transistors‚ capacitor or the whole bunch to "build" a computer. All you really need to know are two important things. One is to always keep yourself (electrostatically) grounded‚ and secondly‚ you need to know how to put a jigsaw puzzle together. Now one would ask what a jigsaw puzzle has to do with computers‚ and
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Computer Multimedia Sam Quesinberry Computers have come a long way very fast since there start in the 1940’s. In the beginning they were mainly used for keeping financial records by banks and insurance companies‚ and for mathematical computations by engineers and the U.S. Military. However‚ exciting new applications have developed rapidly in the last few years. Two of these areas is Computer Graphics and sound. Computer graphics is the ability of the computer to display‚ store and transmit
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years. The modern computers we are all familiar with can trace their roots back to simple computational machines that seem far removed from what we think of as a computer today. Simple Computers • By definition‚ a computer is any device capable of performing mathematical equations or calculations. Therefore‚ many simple devices such as an abacus (which dates back to at least 300 BCE) or a slide rule (first made in England in the 1630s) are the forerunners of today’s modern computers. The Calculating
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Computer Security Student Name University Abstract James works for a bank‚ and he spends most of his attending to bank clients and travelling. He always carries with him a laptop that contains confidential bank information. The Operating System of the laptop was last updated in May 2011. Some of the programs James uses are MS word 2007‚ MS Access and MS Excel. James’ computer is‚ however‚ not well secured. It does not have a firewall or an antivirus. In addition‚ the data in the laptop are
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Computer Packages 11 Graphic Packages: It is important to recall that the early graphics software performed creditably on production of simple bar graphs and funny little people made of squares. However‚ the modern day graphics software and hardware is so advanced such that it is sometimes difficult to tell if computer or trick photograph produced a picture. Computer graphics as often seen in advertisement‚ Logos‚ and sports broadcast on televisions are products of computer graphic applications
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Argument for using a computer With the popularity of computers‚ almost every family has one computer. Some parents‚ for various reasons‚ let children use computers for learning‚ relaxing‚ and so on. However‚ children between ages of 6 and 16 are in the growth stage. Simply playing for a couple of minutes is acceptable‚ while using computers for a long time should be discouraged for that it will do harm to children’s eyes‚ discipline‚ self-control and physical growth‚ which mainly reflects in the
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Horses Computer viruses are man-made program or a piece of code which can load onto your computer without your knowledge and cause damage to your computer system. The dangerous part of the computer viruses is they are attached to a file or program‚ which means the computer viruses will not running until you click the file or program‚ and even more dangerous type of viruses is one capable of transmitting itself across networks and bypassing security system. Worms are similar to computer viruses
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Computer a great and very usefull creation from 1801 by Joseph Marie Jacquard & In 1812‚ Charles Babbage.Was improved by John Atanasoff & Clifford Berry in 1930.lastly Bill Gates‚ one of the riches man now‚ a man who has his innovative ideas that enhance and created a high speed modern computers. Computer today is also known as “Artificial Intelligence”. It is the backbone of Information Technology whose major application lies in internet. Computers now in modern era is now rapidly influence
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requires a computer system to comepete in a travel market. as New London has a growing population and with the increasing use of internet in home and at work it is anticipated that the business of NLT will expand. As transport links improve it is anticipated that potential customers from several smaller towns in the area will also visit or call NLT to book holidays. Currently NLT has no computers and as a result it is not being able to access on line sales. one of the benefits using computers and having
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