Computer:
A computer is a device or a machine that canbe programmed to
accept data,process it into meaningful
information and store it in memory as
well.
Components of a
computer:
A computer consists of the following components:
Hardware or structural part
Software
The software instructs or directs the processing of input to
output and the Hardware performs or executes
the instructions.
Main Components in
Computer Assembly
1.Input Devices:
These devices input data and intructions into the computer.
Examples of these devices include keyboard and mouse etc.
2.Processors:
This processes the data fed to the computer by the input
devices
It is also called as CPU : Central Processing Unit
It consists of electronic circuits.
CPUs interpret and execute programme instructions.
Main memory stores the input data before it gets
processed.It also stores the processed sdata before it is conveyed to the
output device.
3.Output devices:
These devices display the processed data/information or
output from a CPU
Examples of these devices include : Printer and
computer/laptop monitor
4.Storage Devices:
Main memory stores data only temporarily
Storage devices store data permanently.These include Hard disk
drive,CD Roms etc
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