Ever since the development of the ENIGMA (the first digital computer)‚ computers have inspired our imagination. In this period came the World War II code breaking machine designed by Alan Turing‚ and Von Neuman’s ENIAC which can be called dinosaurs compared to present day PCs. In the earlier days‚ computers were so huge that it took an entire building‚ or at least a floor to occupy one. Computers of that era were very slow by today’s standards. In the non-ending struggle to increase
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Computer architecture or digital computer organization is the conceptual design and fundamental operational structure of a computer system. It’s a blueprint and functional description of requirements and design implementations for the various parts of a computer‚ focusing largely on the way by which the central processing unit (CPU) performs internally and accesses addresses in memory. It may also be defined as the science and art of selecting and interconnecting hardware components to create computers
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Computer Crime This type of crime is the illegal exploitation of computer technologies‚ usually involving the Internet‚ to support crimes such as fraud‚ identity theft‚ sharing of information‚ and embezzlement. Exactly what is illegal varies greatly from state to state. Consequently‚ the growth of international data communications and in particular the Internet has made these crimes both more common and more difficult to police. Luckily there are people fighting computer crime and it is taken very
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Unit Code & Title : L/601/0446– Unit 02 - Computer Systems (No 1 of 1) Assessment Title & No’s : Learning outcomes and grading opportunities: LO 01:Understand the function of computer systems | Learning Outcomes | LO1.1 | LO1.2 | LO1.3 | | | | | LO 02: Be able to design computer systems | Learning Outcomes | LO2.1 | LO2.2 | | | | | | LO 03: Be able to build and configure computer systems | Learning Outcomes | LO3.1 | LO3
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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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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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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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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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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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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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