interface, port

(computer science) computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a computer and a hard disk drive or other peripherals)

• parallel interface, parallel port — an interface between a computer and a printer where the computer sends multiple bits of information to the printer simultaneously
• serial port — an interface (commonly used for modems and mice and some printers) that transmits data a bit at a time
• small computer system interface, SCSI — interface consisting of a standard port between a computer and its peripherals that is used in some computers

• computer circuit — (computer science) a circuit that is part of a computer