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Posted: May 25, 2019 | by Michael Bright

The CPU (central processing unit), also called a central processor, main processor, or more commonly processor, is the brains of the computer where most calculations take place.

These calculations involve carrying out the instructions of a computer program by performing the basic arithmetic, logic, controlling, and input/output (I/O) operations specified by those instructions. Simple CPU setups can consist of microprocessors or large-scale integration circuits.

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