8
Appendix
Glossaries
❖Color Correction
This is the process of making adjustments in order to more closely match col- ors produced by the RGB model of your computer display with those pro- duced by the CMYK model of the printer.
❖CMYK
Cyan (C), magenta (M), yellow (Y), and black (K) toner colors that are com- bined to produce other colors for color printing.
❖dpi (dots per inch)
A measure of resolution that indicates the number of dots that can be printed in one inch (25.4mm). Detail is greater as the dots per inch increase.
❖Dithering
Creating the illusion of colors and shades by varying the pattern of dots, as done with newspaper photographs. In printing, dithering is usually called halftoning, and shades of gray are called halftones.
❖Ethernet®
A network protocol used by Local Area Networks (LANs). Installing an op- tional network board in the printer allows it to be connected to a network and serve as a network printer.
❖Graphics Command
Command is for printing lines, circles, ellipses, and other graphics.
❖ I/O Buffer
Temporary memory area for receiving data from the computer. Automatical- ly smooths edges of characters and figures.
❖ Page Description Language
A command system for printing data sent from a computer on a page printer. Generally, computer data is converted to commands that a printer can inter- pret. The command system that can be interpreted by the printer is called printer commands, and the command system used by a page printer is called the page description language.
❖ Plug and Play
A function that automatically specifies the necessary information and allows immediate use of new peripherals, expansion cards, and other option con- nected to a computer (Windows 95/98). Peripherals must support Plug and Play for this capability to be available.
❖ PostScript®
A page description language developed by Adobe Systems Incorporated.
122
