Wednesday, September 22, 2010

what is software and what are the software types

A software is collection of programs which is used to perform a particular task.


Program: Is a list of instructions, written in a programming language that tell computer how to perform operations in order to accomplish a task.


or


Computer process data under control set of instructions called computer programs


or


List of instructions that tells computer what to do.


There are two types of software’s ,


Application software


System software


Application software: Software that allows to write documents, do spreadsheets etc


Enables you to perform specific task- perform work, solve problems etc


Eg: word processing, spreadsheets, database manager, graphics, communications packages.


System software: Helps computer perform essential operating system tasks and enables the application software to run.


System software consists of several programs .

The most important is operating system the master control program that runs the computer.


System software is very important because application software cannot run without system software.

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