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Glossary » raster display

raster display

the standard technology for computer monitors that display images on a grid of pixels, allowing the computer to light up any individual pixel easily, and enabling color displays by having individual red, green, and blue (RGB) phosphors at each pixel point. In contrast to a vector display, raster displays can often require much more memory for a simple image and do not draw smooth diagonal lines, because all lines must be composed of a series of individual dots on a grid, creating an effect called aliasing.