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The smallest addressable unit of storage on disk is called……
a) cluster                                               
b) sector
c) cylinder                            
d) track


b

What is the correct sequence of smallest-to-largest unit of storage space?
a) cluster>sector>cylinder>track
b) sector>cluster>cylinder>track
c) sector>cylinder>track>cluster
d) sector>cluster>track>cylinder


d

Which of the following is a way of minimizing need to perform physical reads on disk?
a) disk caching   
b) data stripping
c) zone recording
d) disk mirroring


a

All the following techniques help to improve the speed of secondary storage input except…….
a) track alignment              
b) disk caching
c) disk mirroring               
d) data stripping


c

A WORM disk can be…….
a) read only                         
b) read and written to likes diskette
c) write singe time 
read many times
d) write many times but read once


c

Which type of drive allows multiple reads and writes to optical storage media?
a) DVD-ROM                      
b) CD-RW
c) CD-ROM                         
d) CD-R

b

CD-RW stand for compact disk Rewritable