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Computer hardware is the physical part of a computer, including the digital circuitry, as distinguished from the computer software that executes within the hardware. The hardware of a computer is infrequently changed, in comparison with software and data, which are "soft" in the sense that they are readily created, modified or erased on the computer. Firmware is a special type of software that rarely, if ever, needs to be changed and so is stored on hardware devices such as read-only memory (ROM) where it is not readily changed (and is therefore "firm" rather than just "soft").

Most computer hardware is not seen by normal users. It is in embedded systems in automobiles, microwave ovens, electrocardiograph machines, compact disc players, and other devices. Personal computers, the computer hardware familiar to most people, form only a small minority of computers (about 0.2% of all new computers produced in 2003) Market statistics.

Personal computer hardware


A typical personal computer consists of a case or chassis in desktop or tower shape and the following parts:

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Chassis Plans Rackmount System - Chassis Plans is a recognized leader in manufacturing fully configured turn-key industrial rackmount computer systems for the industrial, rugged, and military markets. We manufacture 1U to 6U ATX and Single Board Computer systems tailored exactly to customer application requirements. We also manufacture a full line of industrial rack mount and panel mount LCD monitors and keyboard drawers.

Hard Drive Data Recovery - TechRestore offers overnight repairs and upgrades for mobile products such as Mac and PC laptops, iPods, Sony PSPs. Our DataRestore division provides data recovery services, hard drive data recovery, hard drive data recovery service.

Hard Drive Data Recovery - TechRestore offers overnight repairs and upgrades for mobile products such as Mac and PC laptops, iPods, Sony PSPs. Our DataRestore division provides data recovery services, hard drive data recovery, hard drive data recovery service.

Hardware Central - Computing-centric community providing vital information, support, tools and interaction facilities for power computer users and enthusiasts.
Meta Description: [ HardwareCentral is the #1 Hardware Information Resource on the 'Net. Featuring over 600 pages of Hardware information, including advice on System Optimization, Troubleshooting information, Feature articles, Reviews, General data and more, it more than satisfies your need for Hardware content. Def... ]

How Stuff Works: Computers - Complete, detailed, illustrated descriptions of the inner workings of the PC.
Meta Description: [ HowStuffWorks Computer gets you explanations, reviews, opinions and prices for the Internet, home networking, hardware, and software. ]

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