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Business Definition for: ARPANET
Dictionary of Computer and Internet Terms
ARPANET

a computer network originally developed for the U.S. Defense Advanced Research Projects Agency (ARPA, now known as DARPA) to link research institutions. ARPANET introduced the TCP/IP protocols and eventually developed into the Internet.

See also wide-area network , Internet , TCP/IP (Transmission Control Protocol/Internet Protocol) , protocol
Related Terms:
wide-area network

a set of widely separated computers connected together. For example, the worldwide airline reservation system is a wide-area network. The Internet is a set of interconnected wide-area networks.Contrast local-area network

Internet

system of linked smaller computer networks, international in scope, that facilitates data communication such as file transfer, electronic mail, and newsgroups between different entities.

TCP/IP (Transmission Control Protocol/Internet Protocol)

a standard format for transmitting data in packets from one computer to another. It is used on the Internet and various other networks. The two parts of TCP/IP are TCP, which deals with construction of data packets, and IP, which routes them from machine to machine.

protocol

guidelines and principles associated with the workings of a network. Rules surround data and electrical signals on the network, the manner of information transmissions, the way in which the network is accessed, and the processing of applications on the network.

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