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COMPUTER SYSTEM HARDWARE AND SOFTWARE

MODULE 2 Ø  Personal Computer Types Actual personal computers can be generally classified by size and chassis / case. The chassis or case is the metal frame that serves as the structural support for electronic components. Every computer system requires at least one chassis to house the circuit boards and wiring. The chassis also contains slots for expansion boards. If you want to insert more boards than there are slots, you will need an expansion chassis, which provides additional slots. There are two basic flavors of chassis designs–desktop models and tower models–but there are many variations on these two basic types. Then come the portable computers that are computers small enough to carry. Portable computers include notebook and subnotebook computers, hand-held computers, palmtops, and PDAs. Ø  Desktop model A computer designed to fit comfortably on top of a desk, typically with the monitor sitting on top of the computer. Desktop model computers are broad and low...
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COMPUTER SYSTEM HARDWARE AND SOFTWARE

MODULE 1:  COMPUTER SYSTEM HARDWARE AND SOFTWARE PREFACE I give much thanks to my almighty God who gives me much strength, knowledge, skills and health to finish this documents, the documents consist of four module which are computer hardware and software, computer security, operating system and data recovery and backup. The documents very well presented to enhance knowledge and skill of using computer system and its components   ACKNOLEDGEMENT I introduce my much thanks to my almighty God for giving me much health, knowledge and skills to finish these documents, also I thank my professional teacher Mr. Mazoya for his much support in directing us on what’s to discuss and presents concerned with computer system, I also appreciate the support from my colleague who works with me hand by hand to prepare this documents, my parent at home who support me in some amount of money for stationery service, food and other basic needs. Which all contribute my health to be well ...
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