What is TCP/IP

A. If you are viewing this page on the web then you are using TCP/IP now! TCP/IP is a suite of related protocols and utilities used for network communications. TCP/IP is actually two protocols, Internet Protocol (IP) and Transmission Control Protocol (TCP). There are many different implementations of TCP/IP however they all conform to a standard which means different implementations can communicate with each other.

Each machine that uses TCP/IP must have a unique TCP/IP address which is a 32 bit number, which is usually displayed in the dotted quad (or dotted decimal) format xxx.xxx.xxx.xxx, where xxx is a number from 0 to 255, for example the IP address 147.98.26.11 is shown in its 32 bit form, and how it breaks down into the dotted quad format

10010011

01100010

00011010

00001011

147

98

26

11

TCP/IP was originally used on ARPANET, a military network and grew to universities and is now used on virtually every computer system.


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