单词 | optical disk |
释义 | optical disk (once / 844237 pages) n WORD FAMILY optical disk: optical disks USAGE EXAMPLESMagnetic tape and optical disks provide low cost long-term inactive storage with additional latency for data access vs. Forbes(Jun 29, 2014) Another alternative is optical disks, which are made of plastic. Forbes(Nov 09, 2012) Yes, they never got the price down and the optical disks proved unreliable. Forbes(Aug 10, 2012) n a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface Syn|Hypo|Hyper optical disc CD, compact disc, compact disk a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser DVD, videodisc, videodiska digital recording (as of a movie) on an optical disk that can be played on a computer or a television set audio CD, audio compact disccompact discs used to reproduce sound (voice and music) CD-R, CD-WO, compact disc recordable, compact disc write-oncea compact disc on which you can write only once and thereafter is read-only memory CD-ROM, compact disc read-only memorya compact disk that is used with a computer (rather than with an audio system); a large amount of digital information can be stored and accessed but it cannot be altered by the user memory device, storage device a device that preserves information for retrieval |
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