Question

what is CPU? write a short note on its three main components​

Answer 1

Answer:

central processing unit

Answer 2

• The computer's central processing unit (CPU) is the portion of a computer that retrieves and executes instructions. The CPU is essentially the brain of a CAD system. It consists of an arithmetic and logic unit (ALU), a control unit, and various registers. The CPU is often simply referred to as the processor.

• The CPU is made up of three main components, the control unit , the immediate access store and the arithmetic and logic unit .

• Principal components of a CPU include the arithmetic logic unit (ALU) that performs arithmetic and logic operations, processor registers that supply operands to the ALU and store the results of ALU operations, and a control unit that orchestrates the fetching (from memory) an