Glossary 1Glossaryadditive primary colorsThe colors of red, green and blue (RGB) - which give the perception of white whenfully added. These are the colors of the color system used with monitors andscanners.bi-level dataImage data that is composed of 1 bit per pixel. A pixel is represented by a singlebit of digital data that can express only 1 (light) or 0 (dark).bitShort for binary digit. The smallest unit of data in computer processing. A bit canrepresent two values: on and off, or 1 and 0.bit/pixelThe unit that indicates the number of bits allocated for a pixel. The larger the bitvalue, the more detail of a pixel will be reproduced.brightnessA scanner function to lighten or darken the output image data.byteA unit of information consisting of eight bits. A byte can represent a control codeor character.carriageA component of the scanner that contains the optical sensor and light source forscanning.color correctionA method of adjusting the color image data for a particular type of device so thatthe reproduction results are as close as possible to the original colors.color separationA 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 thesubtractive primary colors (cyan, magenta, and yellow) plus black are used forprinting press separation.ColorSyncColor management system for Macintosh that is designed to help you getWYSIWYG (what you see is what you get) color output. This software displayscolors on your screen as they are on the scanned documents, or prints colors asyou see them on your screen.daisy chainA SCSI bus arrangement that allows several devices to be connectedsimultaneously in a line to a single computer. See SCSI.
