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Article: Internet
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- Computer Sciences
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Copyright informationCOPYRIGHT 2002 The Gale Group Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Internet
The Internet is a computer network that was designed to interconnect other computer networks. Its origins lie in the ARPANET, an experimental network designed for the U.S. Department of Defense Advanced Research Projects Agency (ARPA) in 1969. The original ARPANET had some features that were unique in its day.
The first unique feature was that it supported peer to peer networking. In this system, each computer has the same rights and abilities as any other computer on the network. The commercial computer networks at that time were hierarchical, where some devices performed special control functions, and other devices had to wait for permission to transmit from the controller.
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