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Computing (FOLDOC) dictionary
video memory
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storage The memory in a computer's graphics adaptor, used
to store the image displayed on a bitmap display. Often
this is built using VRAM chips. There is normally a simple
correspondence between groups of bits in video memory and
the dots or "pixels" 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).