11-05-2012, 11:25 AM
COMPUTERS AND IT’S APPLICATION
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What is a computer ?
A computer is an electronic device which performed arithmetic and logical operations. It can also store a large volume of information.
HARDWARE
Hardware are the PHYSICAL COMPONENTS of the Computer System.
Examples :
Mother Board
Processor
RAM
HDD
SMPS
CD/DVD-ROM
SOFTWARE
Software are the logical components of the computer system. These are basically the programs and information stored in the computer.
Examples:
MS-Office
Photoshop
Auto-CAD
INPUT DEVICE
It is used for transferring data from the users end to the computer.
OUTPUT DEVICE
It is used to transfer processed information from the computer to the user in a way required by the user.