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Question
What is the function of CPU in a computer system? What are its subunits?
[Computer Science Class – 11 Sumita Arora solutions. Chapter 1 – Computer System Overview.]
Answer
The CPU (Central Processing Unit) is the main control center and processing unit. It is also called brain of the computer as it guides, directs, controls and governs the performance of a computer.
Subunits of CPU are:-
- Arithmetic Logical Unit (ALU)
- Control Unit (CU)
- Registers