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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number and title| HND in Computing and Systems Development | 02-Computer Systems| Assignment title|Computer Systems – Unit 2 | In this assignment you will have opportunities to provide evidence against the following criteria.Indicate the page numbers where the evidence can be found | Criteria reference|To achieve the criteria the evidence must show that the student is able to:||Task no.||Evidence| P2.1.1|Explain the role of computer systems in differentenvironments||T1.1||| P2.1.2|Explain the
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Computer systems may be classified into the following groups: 1 - The supercomputers are extremely fast computers that are used in scientific research for their ability to do large amount of calculations and store large amount of data. One use of these computers is weather forecast because of the large amount of calculations involved. 2 - Mainframe computers allows several thousands of users at any time. They are used by government companies‚ airline companies for bookings‚ insurance companies
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of the military and industry in the development of electronics‚ computers‚ and information theory. After the 1940s‚ the military remained the major source of research and development funding for the expansion of automation to replace manpower with machine power. Since the 1950s‚ four generations of computers have evolved. Each generation reflected a change to hardware of decreased size but increased capabilities to control computer operations. The first generation used vacuum tubes‚ the second used
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Computers in Education The typical school has 1 computer per 20 students‚ a ratio that computer educators feel is still not high enough to affect classroom learning as much as books and classroom conversation. Some critics see computer education as merely the latest in a series of unsuccessful attempts to revolutionise education through the use of audio- and visually-oriented non print media. For example‚ motion pictures‚ broadcast television‚ filmstrips‚ audio recorders‚ and videotapes were all
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Computer Technology Being a kid sitting around with your friends‚ there was always that one person this said‚ do you think this will ever happened? When I grow up all I will have to do will say door open to get in my house‚ everything else will be done for me. now‚ much to my surprise this day has now arrived. The arrival and utilization of computers in today’s world is absolutely unbelievable. Things can be done with computers that could have never been done in the past. we have security
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to Computers and C++ Programming 1 What is Computer? Computer Organization Computer Languages C++ Your First Program in C++ Variables and Operators Computer Programming (HKU SPACE HDIT 10/11) 2 Computer Programming (HKU SPACE HDIT 10/11) 3 Computer ◦ Device capable of performing two major functions 1. 2. Computations Making logical decisions Computer programs Hardware ◦ Sets of instructions used by computers to process
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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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Computer forensics‚ also called digital forensics‚ network forensics‚ or cyberforensics‚ is a rapidly growing field that involves gathering and analyzing evidence from computers and networks. Because computers and the internet are the fastest growing technology used for criminal activity‚ the need for computer forensics specialists will increase in years to come. A computer forensics specialist examines computer media‚ programs‚ data‚ and log files on computers‚ servers‚ and networks. Many areas
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How many inventions in your lifetime can you think of that have changed everything in our society today? Computers have taken over today ’s society. From everyday tasks to moving satellites in space‚ PCs have revolutionized almost everything in our society. Computers weren ’t always this complicated though‚ and were around a long time before anyone even knew what the word "computer" meant. The Abacus was the first known machine developed to help perform mathematical equations. From what researchers
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