Most commonly used for video and data signaling.

S-Video is an analog video signal that carries video data as two separate signals: luma (luminance) and chroma (color). Also known as Y/C.

The format of an analog (picture only) signal before it is combined with a sound signal.

A video signal that is transmitted or stored as three separate signals.

HDMI (High-Definition Multimedia Interface) is used to transmit uncompressed digital data.

Transmits a high quality, digital video signal, but does not transmit an audio signal like HDMI does.

RCA, also called phono, is frequently used to carry audio signals.

Designed to reproduce very low bass frequencies.

To be used in systems which transmit or receive stereo digital audio.

Using light pulses, fiber optics can carry up to 10 million messages at any time.

USB (Universal Serial Bus) is used to connect between devices and a controller to replace serial and parallel ports.

Firewire (also called IEEE1394 ) is used for high-speed data transfer over a cable.  It is often used for connecting digital video cameras to computers.