Pixel

The rectangular "dots" that comprise the smallest units of screen color variations. The more pixels that the computer can display per square inch of screen, the higher the resolution of graphics images on the screen. Older CGA resolutions had such large pixels that outlines of individual pixels could be seen in the graphics images. Higher resolutions such as those in Super VGA make it harder to detect pixels without zooming enlargements of parts of the screen. Larger numbers of pixels make graphics modification tasks more tedious.