What is the full form of CU?

A.

Compound Unit

B.

Communication Unit

C.

Computer unit

D.

Control unit

Correct answer is D

CU stands for control unit.
The control unit (CU) is a component of a computer's central processing unit (CPU) that directs the operation of the processor. A CU typically uses a binary decoder to convert coded instructions into timing and control signals that direct the operation of the other units (memory, arithmetic logic unit and input and output devices, etc.)