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Computing (FOLDOC) dictionary (also found in English - Vietnamese, English - English (Wordnet), )
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graphics (US "color") Colours are usually represented as
RGB triples in a digital image because this corresponds
most closely to the electronic signals needed to drive a
CRT. Several equivalent systems ("colour models") exist,
e.g. HSB. A colour image may be stored as three separate
images, one for each of red, green, and blue, or each pixel
may encode the colour using separate bit-fields for each
colour component, or each pixel may store a logical colour
number which is looked up in a hardware colour palette to
find the colour to display.