Types Of Systems Software

Software are of two types. They are

• Application software
• System software

Application software consists of the programs that perform tasks particular to the machine,s utilization.

System software act as an interface between the hard ware of computer and the application software that users need to run on the computer.

Main functions of operating system are as follows:-

• It recognize input from the key board , send output to the screen ,and keeps the track of files and directories on the disk and also control printer , CD-ROM,etc.
• It checks whether different program and user running at same time do not interfere with each other
• It gives the software platform on which the other application software and program can run.

Compiler is the system software that accepts program written in higher languages and translate them into machine languages.

Preprocessor is a program that processes its input data to produce output that is used as input to other program such as compiler.