The term resolution generally refers to the sharpness of an image. Video adapters conform to standard resolutions that are expressed by the number of dots (pixels) that can be displayed horizontally, followed by an “x” and the number of lines that can be displayed vertically (for example, 1024 × 768). For color graphic displays, Video Graphics Array (VGA) is the lowest-resolution standard (640 × 480). Most of today’s monitors are equipped with at least Super VGA (1,024 × 768). The newest models sport Super and Ultra extended Graphics Array video adapters allowing for an amazing 1,600 pixels per line and 1,200 lines of pixels per screen.
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