Nov 10, 2012

COMPUTER SYSTEM

COMPUTER SYSTEM=Computer system is divided into two parts --
A>HARDWARE SYSTEM                  B>SOFTWARE SYSTEM



A>HARDWARE SYSTEM=All the body parts of a computer is known as its hardware.

Example- Mouse, Keyboard, Monitor, Scanner, Motherboard, SMPS etc.

B>SOFTWARE SYSTEM=Computer hardware cannot perform anything by itself.They needs some instructions to works an any process.This instructions are written in step by step manner with a special type of language.So that computer can understand and built up in a form of a program.When some programs are grapted together they formed up a software to perform any job.

Example- MS Word, MS Paint, Operating System, Compiler, Adobe Photoshop etc.
COMPUTER SYSTEM


             Software is of two types ---

1>APPLICATION SOFTWARE                       2>SYSTEM SOFTWARE


1>APPLICATION SOFTWARE=This software is use to run only a particular type of application.

Example- Notepad, MS Excel, Adobe Photoshop , MS Word , Payroll Software, Income Tax Software, Railway Reservation Software etc.

SOME FEATURES OF APPLICATION SOFTWARE

1.Slow in speed.
2.More interactive.
3.It's easy to design.
4.It's close to user.
5.Written in high level language.
6.Easy to understand.
7.Easy to manipulate and use.
8.Bigger in size and requires large storage space.


2>SYSTEM SOFTWARE=This software is use to run the system operations within a computer system.

Example- Operating System, Driver, Compiler etc.

SOME FEATURES OF SYSTEM SOFTWARE

1.Fast in speed.
2.Difficult to design.
3.Close to system.
4.Difficult to understand.
5.Less interactive.
6.Smaller in size.
7.Difficult to manipulate.
8.Written in low level language.


a>OPERATING SYSTEM=This system software is use to operate the system operation and perform different system task.


        Types of operating system-----

*Text-base operating system.
*Graphical-base operating system.

b>DRIVER=This system software is use to install any new device to a computer system.
Example- TV Tuner Driver, VGA Driver, Sound Driver etc.

C>COMPILER=Use to convert or translate any program written in high level language to machine understandable language.

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