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We refer to a whole industry as information technology, or IT. Information technology is actually the process of managing information via the use of computers and software. This is known as information services (IS) or management information services (MIS) in certain organisations. A major company's information technology department would be in charge of handling information processing, information storage, information protection, information transmission when needed, and information retrieval later on. IT, or information technology management, encompasses a wide range of fields, including but not limited to data structures and processes, computer software, hardware, and programming languages. In summary, the IT domain encompasses everything that presents data, information, or perceived knowledge in any visual format through any multimedia dissemination technique. IT offers four key service sets to enterprises to support the implementation of their business strategy: information provision, customer connection, productivity tools, and business process automation. IT specialists carry out a wide range of tasks (IT Disciplines/Competencies), from creating intricate computer networks and databases to installing programmes. Data management, networking, computer hardware engineering, database and software creation, and system management and administration are just a few of the tasks carried out by IT specialists. The demand for information technology jobs is rising as the field begins to extend beyond traditional personal computers and networks to include integrations with other technologies like cell phones, televisions, cars, and more. Topics include distribution design, installation, outside plant, and LAN and internetworking design are all covered in this comprehensive glossary, which spans the information technology sector.