Definition of CD-ROM
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CD-ROM
Definition: Compact Disc-Read Only Memory: a standard for compact disc to be used as a digital memory medium for personal computers. The 4.75in laser-encoded optical memory storage medium can hold about 650MB of data, sound, and limited stills and motion video. A CD-ROM player will typically play CD-DA discs, but a CD-DA player will not play CD-ROMs. The standard used for most CD-ROM formats is known as Yellow Book, based on the standard published by Philips.
Category: Optical storage
Guides: CD-ROM
CD-ROM XA
Definition: CD-ROM Extended Architecture: a hybrid format, promoted by Sony and Microsoft, that combines CD-ROM and CD-i capabilities. The extension adds ADPCM audio to permit the interleaving of sound and video data to animation and with sound synchronisation. It is an essential component of Microsoft's plan for multimedia computers and also the physical format for Kodak's Photo CD format.
Category: Optical storage
Guides: CD-ROM XA