What does AV input output mean?

Answer 1

AV input is a common label on a connector to receive (AV) audio/visual signals from electronic equipment that generates AV signals (AV output).

Audio video output is one of the most important connectors which output both audio and video signals from the electronic equipment. You can pay attention to the user manual of the electronic equipment you have bought from a well-known brand on online.

Answer 2

A-Audio

V-Visual

Input is like it sounds, it is data coming in, it may be into a computer (from a camera) or into a projector.

Output is the opposite, it is data being sent out, it may be from a computer to a projector or from a camera into the computer.

An example of the chain described about would be...

Camera Outputs data

Computer receives that data as input

Computer processes data

Computer sends out data as output

Projector receives data as input

Projector projects data as image

These rules of input/output (I/O) are applicable to many areas of technology.

additional:

AV input/output usually means there are 4 plugs, one for each of three colors and audio. Some outputs will have 2 audio and one composite video.. always check the doc carefully