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Q. Explain about CD-ROM and DVD-ROM?
Optical disks employ Laser Disk Technology that is the latest and most promising technology for high capacity secondary storage. Advent of the compact disk digital audio system, a non-erasable optical disk paved the way for development of a new low-cost storage technology. In optical storage devices information is written using a laser beam. We will determine here the use of some optical disks like CD-ROM and DVD-ROM devices which are now becoming increasingly popular in different computer applications.
Figure: CD-ROM and DVD-ROM
Raises when accessing an unassigned memory location accessing a null pointer
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Using ARQ, a sending modem must wait for a return ACK for each sent block before sending the next block. (A) discrete (B)
Performance of caches: Amdahl's Law regarding overall speed up: Alternatively, CPU stall can be considered:
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