See Extended Graphics Array.
(abbreviation for extended graphics array) Color display system which is better than VGA, providing either 256 colors on screen and a resolution of 1,024 x 768 or 25,536 colors with a resolution of 640 x 480.
A type of PC video display circuit (and adapter) first introduced by IBM on October 30, 1990, that supports text and graphics. Text is supported at a maximum resolution of 132x60 characters in 16 colors with a character box of 8x6 pixels. Graphics are supported at a maximum resolution of 1024x768 pixels in 256 (from a palette of 262,144) colors or 640x480 pixels in 65,536 colors. The XGA outputs an analog signal with a horizontal scanning frequency of 31.5KHz or 35.52KHz and supports analog color or analog monochrome displays. Also used to refer generically to any adapter or display capable of 1024x768 resolution.