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ISBN
ISBN also called I.S.B.N. stands for International Standard Book Number. Any book which is published must have ISBN, it is a unique machine-readable identification number, which marks any book unmistakably. This number is defined in ISO Standard 2108. The number has been in use now for 35 years and has revolutionised the international book-trade. 170 countries and territories are officially ISBN members. The ISBN accompanies a publication from its production onwards.
ISBN by Rajneesh Sharma February 22, 2009
ISDN
Integrated Services Digital Network
ISDN is a communications standard for sending voice, video, and data over digital telephone lines or telephone wires. It supports data transfer rates of 64 Kbps and can support two lines at once (calles B channels), which allow you to use both lines to transfer data; this gives you data rates of 128 Kbps.
ISDN is a communications standard for sending voice, video, and data over digital telephone lines or telephone wires. It supports data transfer rates of 64 Kbps and can support two lines at once (calles B channels), which allow you to use both lines to transfer data; this gives you data rates of 128 Kbps.
ISDN by James T. Carson April 23, 2006
ISDN
ISDN by Soiled Undergarment August 7, 2003
ISDN
Integrated Services Digital Network.
Technology to completely digitize the phone service that was abandoned after much work (it began in the early 1980s) in the early 1990s becayse it was too expensive. It is currently used for high-speed Internet access, slower than T1 but faster than a modem. It is widely used by phone networks in some areas.
Technology to completely digitize the phone service that was abandoned after much work (it began in the early 1980s) in the early 1990s becayse it was too expensive. It is currently used for high-speed Internet access, slower than T1 but faster than a modem. It is widely used by phone networks in some areas.