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单词 Processor cycle
释义

Processor cycle

英语百科

Instruction cycle

A diagram of the Fetch Execute Cycle.

An instruction cycle (sometimes called fetch-decode-execute cycle) is the basic operation cycle of a computer. It is the process by which a computer retrieves a program instruction from its memory, determines what actions the instruction requires, and carries out those actions. This cycle is repeated continuously by the central processing unit (CPU), from bootup to when the computer is shut down.

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更新时间:2025/6/20 0:25:57