All of the following are true of DVD-ROM drives except:
A. They are also known as erasable optical discs.
B. They can provide over two hours of high-quality video and sound comparable to that found in motion picture theatres.
C. They are a type of optical disc.
DVD-ROM stands for "digital versatile disc-read only memory.”
查看答案
The large capacity, high-definition optical discs designed to store hi-def video and video games are _______.
A. DVD-RAM
B. HD DVD
C. Blu-ray
D. HD CD
These discs have a capacity of 50 gigabytes on one side.
A. HD DVD
B. CD
C. DVD
D. Blu-Ray
Solid-state storage devices are different than hard disks in that they _______.
A. have no moving parts
B. have a higher capacity
C. have slower access speed
D. are volatile
What is it called when servers on the Internet supply applications as a service, rather than a product?
A. Digital versatile computing
B. Service computing
Cloud computing
D. Optical computing
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