Central Processing Unit

In a human body, all major decisions are taken by the brain and other parts function as directed by it. Similarly, the CPU is the brain of the computer system where all major decisions are taken. All calculations and comparisions are made by the CPU and it is responsible for activating and controlling the operations of other units of computer systems.The CPU consists of three main components:
1. Control Unit
2. Arithmetic Logic Unit(ALU)
3. Memory

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