Information technology

Information technology is the use of computer systems and networks to create, store, process, retrieve, and communicate information.

Computer: A programmable electronic device that processes data according to instructions. Computers perform the processing at the center of information technology.
Data processing: The transformation of data into a form suited to a purpose. Processing turns raw inputs into information that systems can use.
Enterprise resource planning: Integrated software for managing core organizational processes such as finance, procurement, and inventory. ERP systems join information flows across an organization.
Information systems: Organized combinations of people, processes, data, and technology that produce information for an organization. Information systems include organizational practices that IT alone does not describe.
Computer network: A set of connected computing devices that exchange data and share resources. Networks let IT systems communicate across devices and locations.
Data storage: The recording of digital information on media for later access. Storage preserves information beyond the immediate operation of a program.
Customer relationship management: Strategies and software for managing an organization's interactions with current and prospective customers. CRM platforms use IT to organize customer records and interactions.
Computer science: The study of computation, algorithms, and the principles of computer systems. Computer science develops foundational ideas; IT applies systems to operational needs.
Computer software: Programs and related data that instruct computers to perform tasks. Software specifies the operations IT systems carry out.
Data retrieval: The process of finding and obtaining stored information in response to a request. Retrieval makes stored information available to users and applications.

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