What is CPU and its Component?

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CPU

  • CPU stands for "Central Processing Unit ".
  • It is also known as Processor.
  • CPU is the brain of the computer where most calculations take place.
  • All the requests are send to the CPU to solve the problems.
  • Its provide the instruction and processing power the computer needs to do its work.
  • The more powerful and updated your processor,the faster your computer can complete its task.

Central Processing Unit

Component of CPU

There are  two components of CPU.

  1. ALU ( Arithematic and Logic Unit )
  2. CU ( Control Unit )

ALU

  • ALU is the Arithematic and Logic Unit which performs all the arithematic and logical operations.
  • The core of the central processing chip is the arithematic and logic unit.
  • In some processor, the ALU is divided into two units.
      1. AU (Arithematic Unit )
      2. LU (Control unit )

Examples of ALU


There are many examples of ALU.
  • Addition
  • Subtraction
  • Multiplication
  • Division
  • OR,AND,NOT,etc
CU
  • CU is the Control Unit.
  • It decodes the instructions and control all the other internal components of CPU to make it work.
  • It lets the computer's logic unit,memory,and both input and output devices know how to respond to instructions received from a program.
Examples of CU
  • CPUs
  • GPUs

"ALU and CU are the hearts of CPU"

 

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