A control unit is a fundamental part of a computer’s central processing unit (CPU). It is responsible for directing the flow of data and instructions between the CPU’s components, like the arithmetic logic unit, memory, and input/output devices. The control unit interprets instructions from software and translates them into a series of signals that the CPU can execute. It manages the order in which instructions are processed, determines which instructions require access to memory or other resources, and coordinates the execution of multiple instructions at the same time.
See also: data backup
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