Computer Concepts – Illustrated 8th edition Objectives * Define computers *Explore how computers work *Categorize computers *Examine personal computers *Introduce software *Introduce the Internet and the Web *Understand email basics Defining Computers Computer * An electronic device that: * Accepts input * Processes data * Stores data * Produces output * Uses instructions in stored programs Personal computer (PC) Computer system
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Introduction and History Computer engineering is a very time consuming‚ challenging job. To be a good computer engineer you need years of experience and collage education. Computer engineers provide information and data processing for certain computer firms and organizations. They conduct research‚ design computers‚ and discover and use new principles and ideas of applying computers. I am going to tell you specific facts about the careers of computer engineers like payment‚ education needed‚ skills
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Computer graphics are graphics created using computers and‚ more generally‚ the representation and manipulation of image data by a computer. The development of computer graphics has made computers easier to interact with‚ and better for understanding and interpreting many types of data. Developments in computer graphics have had a profound impact on many types of media and have revolutionized animation‚ movies and the video game industry. Overview The term computer graphics has been used in a broad
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Supercomputer Supercomputer is a broad term for one of the fastest computers currently available. Supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations (number crunching). For example‚ weather forecasting requires a supercomputer. Other uses of supercomputers scientific simulations‚ (animated) graphics‚ fluid dynamic calculations‚ nuclear energy research‚ electronic design‚ and analysis of geological data (e.g.
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Computer Illiteracy There is a problem out there that haunts many troubled souls in our society. It is powerful. It can strip the pimple-faced class whiz of all his sickening pride. It can make the intelligent person feel like a complete idiot. It can make the confident doubt themselves. To those who have this problem‚ it seeks to make their lives a living hell. This beast is called computer illiteracy. The problems arising from computer literacy are becoming more evident as colleges and
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Computer is an electronic device used in almost every field even where it is most unexpected. That is why this age is called as the era of IT. And now we cannot imagine a world without computers. It is made up of two things one is the hardware and other is software. All physical components of computer like keyboard‚ mouse‚ monitor etc comes under the hardware whereas all the programs and languages used by the computer are called software. These days computers are the tools for not only engineers
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Computer Virus Information What is a computer virus? Think of a biological virus – the kind that makes you sick. It’s persistently nasty‚ keeps you from functioning normally and often requires something powerful to get rid of it. A computer virus is very similar. Designed to relentlessly replicate‚ computer viruses infect your programs and files‚ alter the way your computer operates or stop it from working altogether. It’s estimated that the Conficker virus infected more than 10 million computers
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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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today’s society‚ almost every household has at least one computer if not more. In fact‚ it is not strange to walk in to a house that has two or three computer. Computers are all the same in one way or another‚ although they do vary from sizes to capabilities. Laptop computer and Desktop Computer are two computers that are similar but different. A Laptop computer is considered top of the by almost anyone who knows about them. A laptop computer can cost a person any where from eight hundred dollars
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COMPUTER REVOLUTION Personal Computers The personal computer revolution was a phenomenon of immense importance in the 1980s. What the average American commonly refers to as a PC‚ or personal computer‚ did not even exist before the 1970s. Mainframe computers had been the norm‚ and they were primarily relegated to business and scientific use. With the dawn of the personal computer all Americans were allowed potential access to computers. As competition and modernization increased‚ issues of cost
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