Question

Write the functions of control unit.

Answer 1

Control unit. ... 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/logicunit and input and output devices how to respond to a program's instructions.

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Answer 2

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◆ The control unit directs the entire computer system to carry out stored program instructions.

◆ The control unit must communicate with both the arithmetic logic unit (ALU) and main memory.

◆ The control unit instructs the arithmetic logic unit that which logical or arithmetic operation is to be performed.

◆ The control unit co-ordinates the activities of the other two units as well as all peripherals and auxillary storage devices linked to the computer.

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