Networks
¡§Networks have had an impact on the way people live over the last twenty years.¡¨
M.Cassim
Computer networking is concerned with communication between computer systems. Such networks involves at least two computers, which can be separated by a few centimeters (e.g. via Bluetooth) or thousands of kilometers (e.g. via the Internet). Over the past two decades computers and computer networking have changed drastically. A few areas of these networking advances will be discussed.
Telephone networks have been so far the primary bearer of data and voice communications. In 1984 fully digital, circuit-switched telephone systems, known as Integrated Services Digital Network (ISDN) for voice and non-voice data communications were introduced. The following year BellCore began working on the standard for the Synchronous Optical Network (SONET). In the late 1980¡¦s Local Area Networks (LANs) emerge as an effective way to transfer data between a group of local computers, and telephone......
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Approximate Word Count: 829
Approximate Pages: 4 (250 words per double-spaced page)
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