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(1) See TCP/IP port.

(2) To convert software to run in a different computer environment. For example, the phrase "to port the application to Unix," means to make the necessary changes in the program to enable it to run under Unix.

(3) A pathway into and out of the computer or a network device such as a hub, switch or router. There are numerous ports on every desktop computer for hooking up the keyboard, mouse, printer and network. Laptops also have many ports. On network devices, the ports are for Ethernet cables or telephone lines.

     As computers and consumer electronics (CE) converge, the term "port" is increasingly used instead of "jack" for A/V connections. See port speed, line card, serial port, parallel port and PC input/output.




A Lotta Ports
A PC could have even more ports than the 15 pictured here. Additional USB ports are quite common on the front of PCs, and FireWire may be available, which is not shown here.