Semiconductor device emitting coherent or near-coherent light.

Audio output providing line-level signals.

Legacy parallel port commonly used for printers.

Main contact surface transferring heat into a heat sink.

HDMI feature returning audio from a display to an AV device.

Hardware managing input/output communication.

Hardware used to enter information into a computer.

Hardware measuring temperature.

Enhanced Audio Return Channel supporting higher-quality audio.

Hardware adding additional input/output ports.