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XGA (eXtended Graphics Array) - Definition

XGA is an abbreviation for eXtended Graphics Array that was introduced in 1990 and an upgrade to the VGA video standard. It is a color display system that provides either 256 colors on screen and a resolution of 1,024 768 pixels or 25,536 colors with a resolution of 640 480. This gives a much sharper image than, for example, VGA, which can display only 16 colors at 480 lines of 640 pixels.

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