April 30th, 2009, 03:52 AM #1
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- Apr 2009
The Internet, sometimes called simply "the Net," is a worldwide system of computer networks a network of networks in which Flash Web Designs at any one computer can, if they have permission, get information from any other computer (and sometimes talk directly to Flash Web Designs at other computers). It was conceived by the Advanced Research Projects Agency (ARPA) of the U.S. government in 1969 and was first known as the ARPANET.
The original aim was to create a network that would allow Flash Web Designs of a research computer at one university to be able to "talk to" research computers at other universities. A side benefit of ARPANet's design was that, because messages could be routed or rerouted in more than one direction, the network could continue to function even if parts of it were destroyed in the event of a military attack or other disaster.
Today, the Internet is a public, cooperative, and self-sustaining facility accessible to hundreds of millions of people worldwide. Physically, the Internet uses a portion of the total resources of the currently existing public telecommunication networks.
Technically, what distinguishes the Internet is its use of a set of protocols called TCP/IP (for Transmission Control Protocol/Internet Protocol). Two recent adaptations of Internet technology, the intranet and the extranet, also make use of the TCP/IP protocol.
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