Telecommunications - Research Article from Encyclopedia of Business and Finance

This encyclopedia article consists of approximately 6 pages of information about Telecommunications.
This section contains 1,700 words
(approx. 6 pages at 300 words per page)
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Communications Networks

When computers were first invented, they were designed as stand-alone systems. As computers became more widespread, practical, useful, and indispensable, network systems were developed that allowed communication between computers. The term "network" describes computers that are connected for the purpose of sharing data, software, and hardware. The two types of networks include local area networks (LANs) and wide area networks (WANs). As the name suggests, LANs cover a limited geographic area, usually a square mile or less. This limited area can be confined to a room, a building, or a group of buildings. Although a LAN can include one central computer connected to terminals, more commonly it connects a group of personal computers. A WAN covers a much larger geographic area by means of telephone cables and/or other communications channels. WANs are often used to connect a company's branch offices in different cities. Some familiar public...

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This section contains 1,700 words
(approx. 6 pages at 300 words per page)
Buy the Telecommunications Encyclopedia Article
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Encyclopedia of Business and Finance
Telecommunications from Encyclopedia of Business and Finance. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.
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