Software means computer instructions or is a program that enables a computer to perform a specific task.Two types of software are application software and system software. Application software consists of programs that perform specific tasks for users, such as a word processing program, e-mail program, or Web browser. System software consists of the programs that control the operations of a computer and its devices..
Software is a program that manages and supports the computer resource and operation of a computer system while is executes various task such as processing data information, controlling hardware components, and allowing users to use application software. That is system software function as a bridge between computer system hardware and the application software. Software is made up of many control programs, including the operating system, communication and database manager.