A Server is a powerful networked computer that can send and receive information to and from many different computers at once. Software refers to a computer program or set of instructions. Operating system software operates the computer hardware itself and is invisible to you. Application software performs specific activities, such as word processing, games, Web pages, or spreadsheets. Telecommunications is the science that deals with sending and receiving digital signals over large distances so people can communicate.
Telecommunications includes everything from e-mail to digital cellular phones.
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