Make a Fist, hold, and stretch your fingers is the correct answer
The control unit (CU) is a component of a computer's central processing unit (CPU) that directs the operation of the processor. It tells the computer's memory, arithmetic/logic unit and input and output devices how to respond to the instructions that have been sent to the processor.
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This is because when there is a mistake, misunderstanding or trouble and one need's evidence, the documented business rule will be available as your evidence.
Explanation:
Sorry if I'm wrong hope it helps
