Telecommunications
Beginning of paper
The transmission of words, sounds, images, or data in the form of electronic or
electromagnetic signals or impulses. Transmission media include the telephone
(using wire or optical cable), radio, television, microwave, and satellite. Data
communication, the fastest growing field of telecommunicatio ....
Middle of paper
.... receive information), and peripheral
equipment such as printers (see Computer; Office Systems). The transmission line
used can be a normal or a specially purchased telephone line called a leased, or
private, line (see Telephone). It can also take the form of a microwave or a
communications-satellite linkage, or some combination of any of these various
systems.
Hardware and Software
Each telecommunications device uses hardware, which connects a device to the
transmission line; and software, wh ....
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