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Friday 29 January 2010

The Computer's Brain

If you look inside a microcomputer, it may look almost empty. But do not let it fool you. Its tiny parts are more powerful than the giant ENIAC. The computer's main circuit board is called the motherboard. On it are many little chips that look like small lego pieces. Each does a different job.

The CPU
The most important chip inside the computer's case is the CPU, or Central Processing Unit. It is the central and most important component of the system unit. It is the brain of a computer. it directs how information flows in, out, and through the computer. It is also a part that does all the math and other jobs performed by the computer. The CPU is also called the processor or microprocessor.

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