Definition Edit

The central processing unit (CPU) is

{{Quote|is a traditional processor with the circuitry necessary to perform and execute instructions from programs on a computer.[1]

Overview Edit

A CPU is made up of several different elements — the control unit, the arithmetic logic unit (ALU), the registers, and the basic input/output (I/O) unit, and often other hardware closely linked with these elements.

Early CPUs were composed of many separate components but since the mid-1970s CPUs have typically been constructed on a single integrated circuit called a microprocessor.

References Edit

  1. "Supercomputer Glossary" (full-text).

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