Video Graphics Adapter (VGA)

VGA is the traditional connector used to connect your PC to video monitors. It is also one option to connect your PC to videoprojectors and HDTV sets. This connection offers a better video quality compared to component video, S-Video and composite video because it uses an independent wire for each video signal: red, green, blue, horizontal sync and vertical sync. It uses a 15-pin connector known as D-Sub, D-Shell or HD15. On this connection information is transmitted using analog signals, while on DVI and HDMI information is transmitted digitally, thus providing a better quality. So if your video monitor, videoprojector or HDTV set has a DVI or HDMI connector – which will be the case with current models available on the market – you should use one of them instead of the traditional VGA connector to connect your PC to your monitor, projector or HDTV.

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Figure 23: VGA connector on a video card.

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Figure 24: VGA cable of a video monitor.

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Figure 25: VGA connector on a HDTV set.

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