about Software and about types of software

1. Chapter-2
Computer-Hardware and Software

2. Software
 Software is a set of Instructions that tells the computer hardware
what to do and how to perform a particular job.
 We cannot touch or feel the software.

3. Types of Software:

4. System Software
 System Software is a type of software that controls and manages the
overall activities of a Computer System.
 It also runs the Application Software.
 Operation System is an Example of System Software.

5. Operating System
 Operating Sytem is the first software which has to be installed on the
computer.
 It acts as a bridge between the user and the computer system.
 It coordinates all the activities in the computer.

6. Example of Operating System
Windows :
Windows is the most popular Operating
System developed by Microsoft.
Mac OS :
Mac OS is an Operating System, developed
by Apple Inc, for their Macintosh line of
computer systems.
Linux :
Linux is an Open Source operating System
developed by Linus Torvalds. It is available for free,
on the internet.

7. Application Software
 The software that performs specific tasks for the users is known as
Application Software or App.
 It helps us in doing some specific types of work.
 For Example, We use paint to make drawings.

8. Example of Application Software Programs:
Microsoft Word or MS-Word :
It helps us to create documents with ease and
efficiency by typing text.
Microsoft Excel or MS-Excel :
It helps us to perform calculations and store data in a
tabular format(rows and columns).
Microsoft Paint or MS-Paint :
It helps us to work with graphics. We can draw and
paint with Paint Software.