Computer Software: 1. System Software, 2. Application software

Computer Software: 

The term software refers to the set of computer programs, procedures, and associated documents that describe the programs and how they are to be used. So, Software means a collection of programs whose objective is to enhance the capabilities of the hardware machine.

Figure: A Computer Software Icon

The software can be divided into two main categories:

1. System software
2. Application software.

System Software: 

The software is computer software that controls the computer hardware and to provide and maintain a platform of running application software.    

Application Software:  

Application software of application or an app is computer software designed to help the user to perform singular of multiple specific tasks.