Which of the following is a blank optical disk where you can save only once, even while the whole space available is not used?

Question

Options

• ACD-MO
• BCD-ROM
• CCD-R
• DCD-RW

• B
  6% (1)
• C
  89% (16)
• D
  6% (1)

Explanation

A Compact Disc-Recordable (CD-R) is a variant of the Compact Disc made-up by Philips and Sony. CD- R is a Write Once Read Many (WORM) optical medium, although the complete disk does not have to be fully written in the same session. CD-R preserves a high level of compatibility with the standard CD readers; in contrast to the CD-RW that can be re-written, CD-RW is not competent of playing on numerous readers and also exploits more expensive media. Answer: B is incorrect. A Compact disc read-only medium (CD-ROM) is a pre-pressed compact disc that holds data accessible to, but not writable by a computer for data storage and music Answer: D is incorrect. A CD-RW (Compact Disc-ReWritable) is a rewritable optical disc. It was introduced in 1997 and was called "CD- Writable" during the development. It was preceded by the CD-MO that was not commercially released. Answer: A is incorrect. CD-MO is a standard for magneto-optical recordable and erasable CDs introduced in 1990 before the introduction of the CD-RW technology. It was a CD with a magneto-optical recording layer. The CD- MO standard also permitted for an optional non-erasable zone on the disk that could be read by common CD-ROM reader units.

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