Software means a collection of programs or set of instructions, whose objective is to enhance the capabilities of the hardware machine these instructions can be either a single program or a group of programs it is important to note that the computer cannot do anything on its own it must be instructed to do a desired job thus it is necessary to specify the sequence of instructions that are computer must perform to solve a problem such instructions are written in our language that can be understood by the computer are called as computer program.
There are following types of software :
1. System software
2. Application software
3. Utility of service software
1. System software :
The system software is the collection of program and instructions which helps the user to control the operation of a computer system the system software coordinates the operations of various hardware components of the computer it is an interface between the user and computer.
Example :
- Operating system DOS window has windows 98 windows XP etc.
- Drivers sound card, display drive
- Complier and interpreter
2. Application software :
These are the programs employed by the user to perform sum specific functions the term application software describe program that help people accomplish there specific tasks.
For Example :Inventory control system is used to manage the inventory of an organisation is termed as an applications software.
Example : win zip, front page, notepad, web browser etc.
Complier And Interpreter :
Complier and interpreters are used to translate the source program to object program the complier translate the whole program at a time interpreter translated the program line by line the another difference between complier and interpreter is the interpreter would execute the next line only if the first line is error free.