HISTORY OF COMPUTERS Historical records will tell us that man has invented three types of devices to assist him in calculating and processing data. These devices could be classified into: a) Manual-mechanical b) Electromechanical c) Electronic 2000 BC - MECHANICAL COMPUTER THE ABACUS * Computations are done by sliding beads on a wire arranged on a tray. Came from the Greek word abax meaning flat surface John Napier(1617) – Logs and Bones * a Scotsman‚ invented
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Introduction For my term paper the field I chose was computers. I chose this field because I love computers and it s a field on the rise. When doing my research about computers‚ I tried to stay focused on a few different types of fields. I did this because I thought that doing every different type of field would not help me chose the right field for me. Computers is such a big field that it was almost no problem picking a couple of computer fields to talk about in my term paper. Preparation
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Computers‚ what a wonderful thing! Technology is one of the greatest inventions ever made! I can honestly say computers are the best technological inventions of the last 100 years. Computers can do things people can’t even think of. For example‚ most car factories build cars with computerized robots. You can webcam‚ make songs‚ beats‚ search the internet and pictures. To begin with‚ I can honestly say computers will always be the best invention made. With today’s society‚ computers come in handy
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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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INTRODUCTION Computer is defined as a combination of electro-mechanical devices (Hardware) capable of accepting data or information‚ processing‚ storing‚ and providing output under the control of some instructions and commands called programs (Software). Computers are machines that perform tasks or calculation according to a set of instruction or programs. Introduce in 1940s the first fully electronic computers were huge machines that required teams of people to operate. Compared to those early
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History of Computers ENG 121 The volume and use of computers in the world are so great‚ they have become difficult to ignore anymore. Computers appear to us in so many ways that many times‚ we fail to see them as they actually are. People associated with a computer when they purchased their morning coffee at the vending machine. As they drove themselves to work‚ the traffic lights that so often hampered us are controlled by computers in an attempt to speed the journey. Accept it or not‚ the computer
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How Computers have changed our lives Imagine our life without computers is impossible. The ubiquity of these machines will show our dependence on them incorrigible. Computers were initially used only in the workplace. However‚ it soon became a household name‚ which revolutionized everything from homework to shopping. When computers were supplemented via the Internet‚ which caused a big change in how it worked. It corrected several folds in the long-distance communication. This gave an impetus
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INTRODUCTION Computer networking is the engineering discipline concerned with the communication between computer systems or devices. A computer network is any set of computers or devices connected to each other with the ability to exchange data. It is sometimes considered a sub-discipline of telecommunications‚ computer science‚ information technology and computer engineering since it relies heavily upon the theoretical and practical application of these scientific and engineering disciplines
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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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