Information technology (IT) is the knowledge of the modern era that has been improved and now facilitates humankind in various ways. In this, we use computers for storing, retrieving, transmitting, and manipulating data or information in the context of business and other enterprises. Information Technology is a vast industry which comprises information technology services, consulting, and outsourcing.IT should be considered 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 and operated by a limited group of IT users.
