Thursday, 27 December 2012

CPU and Memory

CPU:-



CPU stands for Central Processing Unit.It is also called Processor.It is the Brain of the Computer.
It is the most important component of the Computer.It interprets and executes the instructions in the computer.A Computer can not work with-out CPU. All Computers must have Central Processing Unit.


Memory:-



The hardware component that stores data and instructions temporarily is called Memory.It is also called  Primary memory or Main memory.It consists of electronic chips connected to Mother-board.It is used to store the Input data before processing.It also stores processed data after processing until the data is sent to output devices.The main memory is also called Volatile because its contents are lost when the computer is turned off.

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