Ever wonder which is better, DVI or VGA? Well, here's an explanation and hopefully it changes your computing life. VGA is olde school, i mean back-in-the-day! Now, how do we see our taskbar and web pages on our monitor? Well, the graphics card gets all the information from the cpu and other components DIGITALLY. When using a VGA, the graphics card has to convert the digital data to analog, send it through the cable and BAM!...there's your web page. Now, DVI (Digitial Visual Interface) is digital. So now the graphics card doesn't have to convert the data, just send it right through and BAM AGAIN!...its all there. Now, old CRT are analog and the new TFT or LCDs have both VGA and DVI. This is the case because not all graphics card have both DVI and VGA ports. Nowadays the graphics cards come with multiple DVI ports and along a dongo..or converted, connect it and the DVI port becomes a VGA port for your CRT monitor.
Well there is the simple explaination, if you want to read further, check out this link:
http://forum.pcmech.com/archive/index.php/t-60031.html
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