What is software?

Software is a set of program which are designed to perform a well-defined function A program is a sequence of instructions written to save a particular problem.

Software two types

a.                 System software

b.                Application software

1-System software

          The system software is a collection eloigned to operate control and extern the processing capabilities of the computer it off. System software serve as the interface between hardware and the end users.

 Features of system software are the following.

a.                 Crosse to system

b.                Fast in speed.

c.                 Difficult to design

d.                Difficult to understand

e.                 Less interactive

f.                  Smaller in size

g.                 Difficult to manipulate

h.                Generally written in low-level language

2-Application software

Application software are the software that are designed to satisfy a particular need of a particular environment. All software prepared by 45in the computer lab can come under the category of Application software.

Computer hardware

Represents the physical and tangible components of the computer i.e. the components that can be seen and touched. Examples of hardware are following.

1.    Input devices:- Keyboard, Mouse ,etc

2.    Output devices :- printer monitor, etc

3.    Secondary storage devices:- Hard disk CD, DVD, etc.

4.    Internal composes: CPU, Mother board RSM, etc.