PARTS OF THE COMPUTER All computer systems need two types of parts that work together to make them run. These parts are: 1. Hardware - The hardware is the part of the computer you can touch and see. Eg: Keyboard‚ Mouse‚ Hard disk etc. 2. Software - The software is a part of the computer you cannot touch but is very important. The software is all the programming that makes the computer run; controlling everything that the computer does. Common
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Computer Fundamentals Computer is an electronic device that manipulates data according to set of instructions and produce a meaningful result. • Computers are not very intelligent devices‚ but they handle instructions flawlessly and fast. • They must follow explicit directions from both user and computer programmer. • Computers are really nothing more than a very powerful calculator with some great accessories. • Applications like word processing and games are just a very
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EVOUTION OF COMPUTERS The evolution of electronic computers over a period of time can be traced effectively dividing this period into various generations. Each generation is characterized by a major technological development that fundamentally changed the way computers operated. These helped to develop smaller‚ cheaper‚ powerful‚ efficient and reliable devices. Today‚ life has become indispensable without a computer. You find computerization in almost every sphere and industry. Computer evolution
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University Computer Crimes Technology in a Global Society CS300 Table of Contents…………………………………………………….2 Introduction…………………………………………………………..3 (Research Discoveries) Origins of Computer crimes………………………………………….4 Internet fraud…………………............................................................5 Internet Cyber Crime………………………..…………………….…6 Personal Crimes……………………..…………………..…..6.2 Financial Crimes…………………….…………………..…..6.3 Computer hackers…….....
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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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Use of Computers in Banks Computers are used in banks for a variety of reasons. They help bank personnel operate more efficiently and effectively. Computers are used to track certain transactions and they help process other customer information as well. Without computers‚ it would be very hard for a bank to offer good customer service day in and day out. Computers help a bank save time and money‚ and can be used as an aid to generate profits. Customer Information Banks use computers to track customer
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IMPORTANCE OF COMPUTER Today computer is playing very important role in every field of life. Many activities in daily life can be performed very easily and quickly. A lot of time is saved to solve a particular problem. Some important fields where computer are widely used are as under 1- Business Today‚ in global markets‚ it is impossible to run the business without the use of computer technology. Many business activities are performed very quickly and efficiently by using computers. Many business
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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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5 basic operations performed by computer system Inputting Storing Processing Outputting Controlling The internal structure of a computer looks like above: Input unit: Input unit links the external environment with the computer system. Data and instruction must be entered to the computer before performing any competition. Data or instructions can be entered through input devices eg. Key board‚ or any other input devices. Input unit transferred this data into binary coded in short input unit
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INTL. JOURNAL OF HUMAN–COMPUTER INTERACTION‚ 25(4)‚ 243–281‚ 2009 Copyright © Taylor & Francis Group‚ LLC ISSN: 1044-7318 print / 1532-7590 online DOI: 10.1080/10447310802546724 Intl. Journal 1532-7590 1044-7318 of Human–Computer Interaction‚ Vol. 25‚ No. 1‚ December 2008: pp. 1–78 HIHC Interaction Better in 3D? An Empirical Investigation of User Satisfaction and Preferences Concerning Two-Dimensional and Three-Dimensional Product Representations in Business-to-Consumer E-Commerce A. Ant Ozok
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