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Glossary Page 84
Glossary
additive primary
colors
The colors of red, green and blue (RGB)—which give the perception of
white when fully added. These are the colors of the color system used
with monitors and scanners.
bit
Short for binary digit. The smallest unit of data in computer processing. A
bit can represent two values: on and off, or 1 and 0.
bit/pixel
The unit that indicates the number of bits allocated for a pixel. The larger
the bit value, the more detail a pixel can represent.
brightness
A scanner function to lighten or darken the output image data.
carriage
A component of the scanner that contains the optical sensor and light
source for scanning.
color correction
A method of adjusting the color image data for a particular type of device
so that the reproduction results are as close as possible to the original
colors.
color separation
A process of converting full-color images into a limited number of primary
colors. Additive primary colors (red, green, and blue) are used by the
scanner, and the subtractive primary colors (cyan, magenta, and yellow)
plus black are used for printing press separation.