A. Arithmetic logic Unit - अर्थमैटिक लॉजिक यूनिट
B. Central Unit - सेंट्रल यूनिट
C. Middle Unit - मिडिल यूनिट
D. Control Unit - कंट्रोल यूनिट
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 and logic unit and input and output devices how to respond to the instructions that have been sent to the processor.