COMPUTER FUNDAMENTALS

COMPUTER ARCHITECTURE

INPUTOUTPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What does CPU stand for:
A
Control Processing Unit
B
Central Personal Unit
C
Compact Processing Unit
D
Central Processing Unit
Explanation: 

Detailed explanation-1: -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.

Detailed explanation-2: -The CPU is the brain of a computer, containing all the circuitry needed to process input, store data, and output results. The CPU is constantly following instructions of computer programs that tell it which data to process and how to process it. Without a CPU, we could not run programs on a computer.

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