Information technology
Information technology ( IT ) is the application of computers to store, study, retrieve, transmit, and manipulate data , [1] or information , often in the context of a business or other enterprise. [2] IT is considered a subset of information and communications technology (ICT). In 2012, Zuppo proposed an ICT hierarchy where each hierarchy level "contain[s] some degree of commonality in that they are related to technologies that facilitate the transfer of information and various types of electronically mediated communications." [3] The term is commonly used as a synonym for computers and computer networks, but it also encompasses other information distribution technologies such as television and telephones. Several industries are associated with information technology, including computer hardware , software , electronics , semiconductors , internet , telecom ...