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What is the maximum supported resolution of VGA cables?

Asked by warpling (849points) January 10th, 2010

I’ve been researching projectors for awhile now and I’m shopping in the XGA resolution range (1024×768), but a lot of the projectors I see only come with a VGA and component port. What’s the deal? I thought VGA only supported up to 800×600. Are these projectors upscaling the input image or what?

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