Information technology (IT) is the use of computers to store, retrieve, transmit, and manipulate data, or information, often in the context of a business or other enterprise. IT is considered to be a subset of information
and communications technology (ICT).
An information technology system (IT system) is generally an information system, a communications system or, more specifically speaking, a computer system – including all hardware,
software and peripheral equipment – operated by a limited group of users.