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optical disc |
Also found in: Wikipedia | 0.03 sec. |
optical discA direct access disk written and read by light. CD, CD-ROM, DVD-ROM and DVD-Video are read-only optical discs that are recorded at the time of manufacture and cannot be erased. CD-R, DVD-R, DVD+R, WORM and magneto-optic (in WORM mode) discs are write-once. They are recorded in the user's environment, but cannot be erased. CD-RW, DVD-RAM, DVD-RW, DVD+RW and MO discs are rewritable. Writability Optical Disc Types Read only CD, CD-ROM, DVD-ROM, DVD-Video Write once CR-R, DVD-R, DVD+R, WORM Rewritable CD-RW, DVD-RAM, DVD-RW, DVD+RW, MO How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Blu-ray Disc format, which use a blue-violet laser, is being promoted as a standard for next-generation optical discs. The new optical discs can have up to 50 gigabytes of available space, five times the information content DVDs can, according to the company. 7-mm high and can record and playback the three generations of optical discs. |
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