System Software

What is System Software ?

System Software is a program which is designed to operate,control and extend the processing capabilities of the computer.System Software  operates different application software.without system software computer is non-existent.System Software  are three categories -
  1. Language Translator
  2. Operating system
  3. Utility Program
Show Figure- Different Part of Personal Computer

Language Translator

A Software program that converts source code into machine code and vice verse.Example of
Language Translator -Interpreter,Compiler,Assembler.

Interpreter:

It is a Program which is written in machine level language .It translates high level language to machine level language and vice verse each line of the program and converts them from source code to object code.

Compiler:

Compiler is a program written in machine level language .It translates high level language to machine level language and verse also.Before running the program compiler check the total program at a time.

Assembler:

A program written in assembly level language translate assembly level program to machine level.

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