CPU FULL FORM - SSC NOTES PDF

CPU FULL FORM

CPU FULL FORM

Full Form of CPU : The Full Form of CPU is Central Processing Unit.

What is the full form of CPU?

No:1. The full form of CPU is the Central Processing Unit.
No:2. The Central Processing Unit (CPU) socket is a particular section where the CPU is mounted inside the motherboard to perform other outputs and inputs of the system.
No:3. It known as the brain of a computer.
No:4. CPU performs all the basic logical and arithmetic operations activities and transmits the commands and programs of the computer.
No:5. The term CPU is normally used to refer to a processor that consists of the arithmetical logical unit and control unit.
CPU = ALU + CU
Here
ALU stands for – Arithmetical Logical Unit
CU stands for – control unit
No:6. CPU constitutes the physical heart of the entire computer system

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Different Types of CPU

There are 3 main types of CPU which are given below :
No:1. Transistor type CPU
No:2. Large Scale Integration type CPU
No:3. Small Scale Integration type CPU

Different parts of CPU

The CPU is broadly divided into 3 main parts which are explained below :

No:1. Arithmetical Logical Unit (ALU) 

a). Arithmetical Logical Unit (ALU) is a significant part of the Central Processing Unit (CPU).
b). ALU is responsible for the supervision of all the numerical and logical functions such as subtraction, addition, division, multiplication etc.

No:2. Control Unit (CU) :

a). Control Unit is the main component of the CPU.
b). CU directs a task to the whole system, and it regulates all the computer activities that occur.

No:3. Memory or Register

a). A register is a particular type of device for memory.
b). The memory stores the information which the processor has to process or already processed.
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