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Information and Communication Technology (ICT) includes the full range of computer hardware, computer software, and telecommunications facilities. Thus it includes computing devices ranging from $4 handheld calculators to multimillion dollar super computers. It includes the full range of display and projection devices used to view computer output. It includes the local area and wide area networks that allow computer systems and people to communicate with each other. It includes digital cameras, computer games, CDs, DVDs, cell telephones, telecommunication satellites, and fiber optics. It includes computerized instruments, computerized machinery, and computerized robots.
In brief summary, ICT is a huge, rapidly changing, and rapidly growing field.