Saturday, February 20, 2010

Function of CPU(central processing unite)

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Open CPU


What is CPU?


CPU is basically known as brain of computer.It is a main part of computer system that contain electric circuit which usually process data.It control flow of through the system directing the data to enter the system planning data in memory and retriving them when needed and directing output.
















ALU+Cu= CPU
ALU:- It performs all arithmatic ,equational and logical decision.It can count,campare and perform all logical activities.


CU:- It manages and coordinates all other components of computer.It makes data from memory and coordinates time square of instruction,s among various activities.

Function of CPU:- basic aim of computer system is to provide communication between user and computer.Input device transmit data as a series of electrical pulses into computer memory unit, where it will be capable of processing.

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