Transmission (Transport) Control Protocol/Internet Protocol

(T-C-P-I-P)

A communication protocol used to ease communication between computers over a network. TCP/IP is the primary protocol used on the Internet (TCP/IP is really a suite of protocols).

You will also often see "TCP/IP" address (or just IP address). This is a unique numbered address expressed in dot notation most often (e.g., 64.121.76.4).

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