Question

A short note on instruction cycle with flow chart

Answer 1

The instruction cycle (also known as the fetch–decode–execute cycle or the fetch-execute cycle) is the basic operational process of a computer system. It is the process by which a computer retrieves a program instruction from its memory, determines what actions the instruction describes, and then carries out those actions. This cycle is repeated continuously by a computer's central processing unit (CPU), from boot-up until the computer has shut down.

A diagram of the instruction cycle.

In simpler CPUs the instruction cycle is executed sequentially, each instruction being processed before the next oneps.

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