COMPUTER SCIENCE AND ENGINEERING
COMPUTER ARCHITECTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -Data, once recorded, cannot be overwritten or deleted.
Detailed explanation-2: -After a CD or CD-R is created, it cannot be edited, erased, formatted, or otherwise modified. If you’ve created the CD or CD-R and want to modify it, recreate it using a new CD-R. Before you continue, make sure you have another blank CD-R, so you can create the new disk.
Detailed explanation-3: -A CD-R disc is a compact disc that can be written once and read arbitrarily many times.
Detailed explanation-4: -A Compact Disc Recordable (CD-R) is a Write Once Read Multiple (WORM) disc. These discs can only record data once and then the data becomes permanent on the disc. The disc cannot be recorded onto a second time. It can then be read as a standard CD-ROM.
Detailed explanation-5: -The data on the phase-changing metal alloy film layer can be erased and rewritten to a limited number of times (about 1, 000 times for RW discs and about 100, 000 times for RAM discs).