Which one of the following items is an example of software?
a. printer
b. keyboard
c. word-processing program
d. mouse

Word processing program is an example of a software. All the others, such as Printer, Keyboard and Mouse are examples of Computer peripheral devices or in short hardware devices. Generally these listed hardware devices come under input or output computer device category. Also, by classic meaning in layman terms these hardware components can be touched or felt. In contrast, a word processing program is a part of a computer system that consists of data or computing instructions and provides the mechanism to computer to perform a certain task utilizing it's hardware resources. Such components of computer system which are written using one of the computer languages are called computer software or software programs or simply software.

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