What is Computer Software?.

Types of Computer Software :
1- Operating System(OS)
2- Application Program
3- Utility Program.
4- Language Processing Program.

Operating System/System Software: 
It is Interface between user and Computer user. It is the soul of computer, without OS you can not anything. There are two types of OS
 1-Single User OS (MS-DOS)
 2-Multi Use OS (Windows)

Application Program:
Those program of Computer, which is used to a particular Work that is known as application program.
like:MS-office, photoshop ,Coral Draw etc.

Utility Program :
Those program of computer, which include with Operating system.
like: paint, notepad, calculator  etc.

Language Processing Program;
Those program of computer,  which is used  to make  a new program  that is known as Language Processing program.
Like: C, C#, C++ ,java, etc.