Computing (FOLDOC) dictionary
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be accessed simultaneously via two independent address and
data busses.
(VRAM). The two ports allow the video display hardware to
read memory to display the contents on screen at the same time
as the CPU writes data to other areas of the same memory. In
single-ported memory these two processes cannot occur
simultanteously, the CPU must wait, thus resulting in slower
(1995-01-12)