Glossary

additive primary The colors of red, green and blue (RGB) —which give the perception of colors 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.

Glossary

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