| video memory The memory in a computer's , used to store the image displayed on a . Often this is built using chips. There is normally a simple correspondence between groups of in video memory and the dots or "" on the screen, such that writing to a given group of bits will alter the appearance of a single dot. If each pixel corresponds to eight bits then it can have any of 256 colours (or shades of grey on a monochrome display). The video display electronics is responsible for reading the data from video memory and converting it into the necessary signals to drive the display. Often this includes a which converts pixel values into triplets. (1996-11-01) |
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