COMPUTER CONCEPTS NATIONAL ASSOCIATION FOR THE BLIND NEW DELHI Computer Concepts Hardware & software concepts explained for persons with low or no vision for the students of Intel Technology Training Lab at National Association for the Blind‚ New Delhi Produced and Published by National Association for the Blind Sector-5‚ R.K Puram‚ New Delhi E-mail: nab@vsnl.com First Edition October 2001 Reprint: February 2005 TABLE OF CONTENTS
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A computer is one of the most brilliant inventions of mankind. Thanks to computer technology‚ we were able to achieve storage and processing of huge amounts of data; we could rest our brains by employing computer memory capacities for storage of information. Owing to computers‚ we have been able speed up daily work‚ carry out critical transactions and achieve accuracy and precision at work. Computers of the earlier times were of the size of a large room and were required to consume huge amounts of
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Chapter I: Background of the Study Introduction The technology todays plays a vital role in our society. It makes man work easier and fast. The discovery of computer was the great function of modernity for different to make work easier‚ more capable and more adaptable for the humanity. This desire to simplify lives and perform more effectively creates a new technology for improving lives within our society. Because need exist‚ man developed and applied technology to fill those needs. Technology
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Design of computers In 1812 he was sitting in his rooms in the Analytical Society looking at a table of logarithms‚ which he knew to be full of mistakes‚ when the idea occurred to him of computing all tabular functions by machinery. The French government had produced several tables by a new method. Three or four of their mathematicians decided how to compute the tables‚ half a dozen more broke down the operations into simple stages‚ and the work itself‚ which was restricted to addition and subtraction
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Computer Systems A Programmer’s Perspective This page intentionally left blank Computer Systems A Programmer’s Perspective Randal E. Bryant Carnegie Mellon University David R. O’Hallaron Carnegie Mellon University and Intel Labs Prentice Hall Boston Columbus Indianapolis New York San Francisco Upper Saddle River Amsterdam Cape Town Dubai London Madrid Milan Munich Paris Montreal Toronto Delhi Mexico City Sao Paulo Sydney Hong Kong Seoul Singapore Taipei Tokyo Editorial Director:
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Republic of the Philippines Sultan Kudarat State University Kalamansig Campus Kalamansig Sultan Kudarat COMPUTER HARDWARE A CT 321(Computer Interface) Midterm Project Submitted by: Aireen Rose R. Manguiran BSIT III Submitted to: Ms. Mailyne Bacongco‚ CoE TABLE OF CONTENTS I. Hardware ------------------------------------------------------------------------ 3 II. HDD (Hard Disk Drive)--------------------------------------------------------
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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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Sample Paper of CCC 1. Objective Questions: Q1. A laser printer uses a) Raster scan b) Camera lens c) Heat sensitive paper d) None of these Q2. A Plotter is a) An input device to produce good quality graphics b) An output device to produce drawings and graphics c) A fast output device using camera lenses d) None of these Q3. Main memory stores a) Data only b) Program only c) Data‚ Program and result or any other kind of information
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HISTORY OF COMPUTERS The abacus was an early aid for mathematical computations. Its only value is that it aids the memory of the human performing the calculation. A skilled abacus operator can work on addition and subtraction problems at the speed of a person equipped with a hand calculator. The abacus is often wrongly attributed to China. In fact‚ the oldest surviving abacus was used in 300 B.C. by the Babylonians. The abacus is still in use today‚ principally in the far east. A modern abacus
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often questionable. 5 | Also it could have a possibility of giving the user poor eyesight as from the light emitted by the screen of the device‚ such as I pads‚ E pads‚ Computer or phones. The users would be straining their eyes to adjust to the light level in order to read the content properly. 9 | A thousand? Two thousand? If so how much books can you buy with
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