What is Software? Full Information..
Software is a series of instructions written by a programming language according to which the given data is processed. A computer cannot do any work without software. Its primary purpose is to convert data into information. Hardware also works according to the instructions of the software. It is also called a program. Establishing communication between hardware and software is called interface.
All software is protected and enforced through a license. A software license is a legal agreement between the manufacturer and the user of the software, under which it is prohibited to install software on more than one computer, to modify any code and make any changes to the software. It prohibits the use of software.
There are different types of computer software. It is generally classified into three classes:
1. System Software
It controls the computer hardware so that the application software can run well. Such as operating system, device driver, Windows system etc.
2. Application Software
This allows the user to complete one or more specific tasks. Application software is made using high level computer languages. The software program is written using the English language, so the user can easily use the computer. Such as – word processors, industrial automation, business software and medical software etc.
3. Programming Software
It usually provides tools to assist a programmer in writing computer programs, such as – text editor, compiler, de-bugger, interpreter, etc.