During the Windows startup process‚ the computer may stop responding (hang)‚ and you may receive the following error message: *** Hardware Malfunction Call your hardware vendor for support *** The system has halted *** One of the following error messages may also be included: NMI: Parity Check / Memory Parity Error NMI: Channel Check / IOCHK
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HISTORY OF COMPUTER THE PRE-MECHANICAL AGE: 3000 B.C. – 1450 A.D. 1. Writing and Alphabets – Communication First development of signs corresponding to spoken sounds‚ instead of pictures‚ to express words. Around 2000 B.C.‚ Phoenicians created symbols that expressed single syllables and consonants (the first true alphabet) The Greeks later adopted the Phoenician alphabet and added vowels; the Romans gave the letters Latin names to create the alphabet we use today. 2. Paper
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Careers In Computer Engineering Careers In Computer Engineering While financial analysts‚ government officials‚ and employment specialists frequently disagree on conditions existing in the American economy today‚ everyone concurs with the idea that a college graduates possessing a degree in the field of computer engineering is in the enviable position of being able to pick and choose among job offers with several major computer companies and other Fortune 500 employers. Over the last five
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Computer keyboard In computing‚ a keyboard is a typewriter-style device‚ which uses an arrangement of buttons or keys‚ to act as mechanical levers or electronic switches. Following the decline of punch cards and paper tape‚ interaction via teleprinter-style keyboards became the main input device for computers. A keyboard typically has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. However‚ to produce some symbols requires pressing
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Computer Memory Basics Although memory is technically any form of electronic storage‚ it is used most often to identify fast‚ temporary forms of storage. If your computer’s CPU had to constantly access the hard drive to retrieve every piece of data it needs‚ it would operate very slowly. When the information is kept in memory‚ the CPU can access it much more quickly. Most forms of memory are intended to store data temporarily. As you can see in the diagram above‚ the CPU accesses memory according
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Argument for using a computer With the popularity of computers‚ almost every family has one computer. Some parents‚ for various reasons‚ let children use computers for learning‚ relaxing‚ and so on. However‚ children between ages of 6 and 16 are in the growth stage. Simply playing for a couple of minutes is acceptable‚ while using computers for a long time should be discouraged for that it will do harm to children’s eyes‚ discipline‚ self-control and physical growth‚ which mainly reflects in the
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keyboard-8 bit Computer systems v Manual systems Benefits of computer system: Takes up less space Searching is very quick More than one person can access the same data form their network PC. The data stays in the computers memory Fewer staff are needed to look after a computer system Reports can be generated very quickly-automated Problems of a computer system: Setting up is very expensive Computer systems need people to maintain them POWER CUTS! It is easy to hack into a computer system.
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Recommandation……………………………………..7 Task3 Security Issues………………………………………8 Protection from viruses‚ Trojan horses………….…9 Conclusion………………………………………….10 Reference……………………………………….…...11 INTRODUCTION A firm of architects is installing a data network for use by staff in its offices. The purpose of producing a report is to outline the options for the firm of architects in setting up their data network including details of how the intranet and extranet services will be provided.
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INTRODUCTION Welcome to computer programming! You are about to discover an interesting and exciting world – a world of computer programming. In this unit‚ we introduce you to the concepts of basic computer programming . You will study the terms and concepts used in computer programming. We will then describe the five steps in computer programming. 2.0 OBJECTIVES At the end of this unit‚ you should be able to: 1. Understand the programming process 2. Define computer programming‚ program
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Computer science From Wikipedia‚ the free encyclopedia Computer science (abbreviated CS or CompSci) is the scientific and practical approach to computation and its applications. It is the systematic study of the feasibility‚ structure‚ expression‚ and mechanization of the methodical processes (or algorithms) that underlie the acquisition‚ representation‚ processing‚ storage‚ communication of‚ and access to information‚ whether such information is encoded in bits and bytes in a computer memory or
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