READ: Video connectors GUIDE

- Everything you need to know about video connectors found in PC and CE products: RF, Composite (RCA), S-Video, Component, RGB, VGA and DVI.

excerpt:

There are several types of video connections that you can find on PC and CE products like TVs, DVD players and videoprojectors. Even though they all serve to the same purpose - connect video signal from one device to another - the video quality obtained by each type of connection is completely different. Since you probably want to get the best video quality from your equipments, we've written this tutorial to explain you the differences between each kind of connection and when to use each one of them, with many tips on how to improve the video quality from your equipment.
The connection types we'll cover are the following, listed from the worst video quality to the best:

• Radio Frequency (RF)
• Composite Video (RCA)
• Super Video (S-Video)
• Component Video
• Red, Green and Blue (RGB)
• Video Graphics Adapter (VGA)
• Digital Video Interface (DVI)

Souce: HardwareSecrets
Article: Video Connectors