C
CCD scanner
A black and white or color scanner using a ccd array.
My own scanner (the CCD has a resolution of 600 dpi)
CCITT
Abbreviation for Comité Consultatif International Telegraphique et Telephonique: standardization committee, nowadays called the ITU (now go look that one up !)
CD
Abbreviation for Compact Disc. If you haven’t heard about this technology yet: welcome to earth!
CD-DA
Abbreviation for Compact Disc Digital Audio - Also known as “Red book Audio’ this is the digital sound format used by audio CDs.
CD-I
Abbreviation for Compact Disc Interactive
CD-R
Abbreviation for Compact Disc Recordable - Also named CD-Writable, these are compact discs that can be recorded.
CD-ROM
Abbreviation for Compact Disc Read-Only-Memory - No explanation needed I think. The technology was developed by Phillips and Sony in 1983.
CDR
File extension for Corel Draw files
cedilla
A mark originally placed beneath the letter c in French, Portuguese, and Spanish to indicate that the letter is to be pronounced as an s, as in façade.
center marks
Short, straight lines outside the trimmed area, indicating the center of the job. They guide the press operation in centering the plate and sheets on the press and in registering back up printing. In some cases, they function as guides for folding.
CEPS
Abbreviation for Colour Electronic Prepress System: proprietary computer systems that were used for page make-up, scanning and image manipulation. CEPS systems were manufactured by Scitex, Crosfield, Hell and others. These systems have been replaced by cheaper configurations that use standard PC or Macintosh hardware and off-the-shelf software.
CGA
Abbreviation for Colour Graphics Adapter: color display adapter used in the first PCs, allowed the simultaneous use of up to 16 colors (at a resolution of 320×200 pixels or 2 colors at 640×200)!
CGATS
Abbreviation for Committee for Graphic Arts Technology Standards, an ANSI-accredited, U.S. standards organization. The primary responsibility of CGATS is to provide overall standards coordinating activities for the graphic arts input to existing standards developers. CGATS works on writing standards only where no other standards committee is already working. The committee’s activities include the development of a glossary to help standardize graphic arts terms, the definition of color measurements practices for the graphic arts, graphic arts densitometry standards and plate dimension standards as well as a cooperative activity to move portions of SWOP to an ANSI standard.
CGI
Abbreviation for Common Gateway Interface, a scripting application that runs on a Web server and acts on information sent to it from a browser application like Netscape’s Navigator. Used to enhance the possibilities of web pages
chain screen
A type of line screen - instead of round dots that get bigger and invert, you start off with round dots that grow elliptically and then turn into ‘lines’, inverting as they go through 50%. You also put the main two inks (CM) at 90 degrees apart and place the K in the middle to get a nice structure (and don’t care about the Y).
chalking
A condition resulting from the improper drying of ink. The vehicle has been absorbed to rapidly into the paper causing the pigment to dust off.
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