1-23 Notes - I. Chapter 2 Computer Hardware A. Personal...

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I. Chapter 2 – Computer Hardware A. Personal Computer Systems 1. Desktop and Portable Computers a) The term form factor refers to the size and dimensions of a components, such as a system board or system unit b) A desktop computer fits on a desk and runs on power from an electrical wall outlet c) A portable computer is a small, lightweight personal computer d) A notebook computer (aka laptop) is a small, lightweight portable computer that opens like a clamshell to reveal a screen and keyboard e) A tablet computer is a portable computing device featuring a touch-sensitive screen that can be used as a writing or drawing pad f) An ultra-mobile PC (UMPC) is a small form factor tablet computer designed to run most of the software available for larger portable computers 2. Home, Media, Game, and Small Business Systems a) A home computer system offers a hardware platform with adequate, but not super-charged support for most computer applications b) A Media Center PC officially uses Windows Media Center Edition operating system c) Some of the most cutting-edge computers are designed for gaming d) Computers marketed for small business applications tend to be middle-of-the- line models pared down to the essentials 3. Buying Computer System Components a) Decide how your computer will be used, and how much you want to spend b) Decide on a platform (Mac, PC, Linux) c) Look at ads in computer magazines and at computer/ electronic stores d) Understand the computer jargon e) Expect to pay anywhere from a few hundred to several thousand dollars Chapter 2 1
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f) Instead of buying a new computer. You might consider upgrading B. Microprocessors and Memory 1. Microprocessor Basics a) A microprocessor is an integrated circuit designed to process instructions (1) ALU (2) Registers (3) Control unit (4) Instruction set b) Front side bus (1) HyperTransport c) Microprocessor clock (1) Megahertz (2) Gigahertz d) Word size e) Cache (1) Level 1 cache (L1) (2) Level 2 cache (L2) f) CISC vs. RISC technology g) Serial processing (1) Pipelining h) Parallel processing Chapter 2 2
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i) Dual core processor
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This note was uploaded on 08/30/2011 for the course CGS 2100C taught by Professor Abadallah during the Spring '08 term at University of Central Florida.

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1-23 Notes - I. Chapter 2 Computer Hardware A. Personal...

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