In computing, a socket that enables a computer processor to communicate with an external device. It may be an
input port (such as a joystick port), or an
output port (such as a printer port), or both (an
i/o port).
Microcomputers may provide ports for cartridges, televisions and/or monitors, printers, and modems, and sometimes for hard disks and musical instruments (MIDI, the musical-instrument digital interface). Ports may be serial or parallel.
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