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When choosing multimedia projectors you will be offered the choice of either SVGA or XGA. SVGA stands for Super Video Graphics Array and XGA stands for Extended Graphics Array. XGA is a higher resolution than SVGA and results in a much sharper and clearer picture. You should choose a projector that is using the same graphics array as your computer. XGA resolution is 1024x 768 and SVGA is 800x600. You can check your computers graphics settings by going to the Control Panel and clicking on the Display tab.