CNET GLOSSARY: Terms for the techie
Compact discs are 5 1/4-inch plastic-coated discs used to store digital information. They come in many flavors, from CD-DA (digital audio) and CD-ROM (computer data storage) to CD-R (recordable) and CD-RW (rewritable).
Can't find your term here? Have a question about the glossary? E-mail us.