Software is a collection of programs or written in computer programming language to perform specific task.  The languages written acts middleware in between hardware and software. Programmers write codes according to the requirements of the user. Computer software’s play a vital role in our daily life. We, computer users uses various software’s on our PC’s, Laptops, Tablets etc. Computer software is generally divided into three categories. These categories are a)System b)Programming and c)Application.
 
System software acts between computer hardware and computer system. It acts like a middleware between them. It manages computer hardware’s otherwise hardware will not work simultaneously with computer software. It can be further divvied in many categories.  For example, device software, operating system, hardware utilities are in under system.
 
Programming is used by computer programmers, computer programmers write programs and executed these on hardware with the help of operating software. A programming language is can be categorized on many. Programming language includes various tools: for example i)compiler, ii)debugger, iii)Interpreter iv)Editor.
 
Application SW’s are those software which we use on our daily work. These types of software are developed for handling a user specific task according to user requirements. Application’s are written in also with the help of computer programs writer by computer programmers. Now a days there are a lots of application software available on market. For example, Microsoft Office 2007 is the most popular software among computer users. Yahoo messenger is  another most popular software among the internet users. There are database software’s, image editing software’s Educational soft ware’s etc are used by clients on there day to day life.
 
There are variety of software companies and programmers now-a-days in the world today. IT industry can be a profitable business and makes an important impact on a countries image.
 
Software is the main drive for a computer. Like any human language a computer have its own language and with the help of computer language we the users run various application software’s. Software specially called as computer software is a collection of programs or written in computer programming language to perform specific task.  We know that computer need instructions to carryout tasks, a computer can’t run without instructions. Software acts as a bridge between hardware and software. Computer understands only in its own language, only 0 and 1. Different programming languages need different compiler, because compiler translates the secondary language to machine language. 
 
 
Application software’s are those software which we use on our daily work. These types of software are developed for handling a user specific task according to user requirements. The software’s are written in also with the help of computer programs writer by computer programmers. Now a days there are a lots of application software available on market. For example, Microsoft Office 2007 is the most popular software among computer users. Yahoo messenger is  another most popular software among the internet users.