Monday 13 August 2012

CENTERAL PROCESSING UNIT

The central processing unit is the brain of the computer the place where data is mainpulated.In large computer system such as super computers and mainframe processing task may be handled by multiple processing chip computer use hundred or thousand of separate processing unit central processing is a signal unit called a microprocessor.


COMPONENTS OF CENTRAL PROCESSING UNIT

 There are two typically components of a central processing unit.

CONTROL UNIT:
             The computer's resources are managed from the control unit the control unit as a traffic signal directing the flow of data through the central processing unit.The control unit is the logical hub of the computer.the central processing units instructions for carrying out commands are built into the control unit the instructions or instruction set list all the operation that the central processing unit can perform.

ARITHMETIC LOGIC UNIT:-
           All computer data is stored as number much of the processing that takes place involves comparing number or carryingout mathematical operation.Arithmetic operation include addition,substraction,multiplication and division. Logical operation include comparison such as determining whether one number is equal to generate then or less the an other number.

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