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Essay Galaxy - Telecommunications
Telecommunications
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 telecommunication, is the process of
transmitting data in digital form by wire or radio. Digital data can be
generated directly in a 1/0 binary code by a computer or can be produced from a
voice or visual signal by a process called encoding. A data communications
network is created by interconnecting a large number of information sources so
that data can flow freely among them. The data may consist of a specific item of
information, a group of such items, or computer instructions. Examples include a
news item, a bank transaction, a mailing address, a letter, a book, a mailing
list....
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Number Of Pages: 11 |
Number Of Words: 3021 |
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