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Welcome to the Mass Storage Structure MCQs Page

Dive deep into the fascinating world of Mass Storage Structure with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Mass Storage Structure, a crucial aspect of Operating System. In this section, you will encounter a diverse range of MCQs that cover various aspects of Mass Storage Structure, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Operating System.

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Check out the MCQs below to embark on an enriching journey through Mass Storage Structure. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Operating System.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Mass Storage Structure. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Mass Storage Structure MCQs | Page 3 of 9

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Q21.
The host controller is :

a.

controller built at the end of each disk

b.

controller at the computer end of the bus

c.

all of the mentioned

d.

none of the mentioned

Discuss
Answer: (b).controller at the computer end of the bus
Q22.
______ controller sends the command placed into it, via messages to the _____ controller.

a.

host, host

b.

disk, disk

c.

host, disk

d.

disk, host

Discuss
Answer: (c).host, disk
Q23.
The disk bandwidth is :

a.

the total number of bytes transferred

b.

total time between the first request for service and the completion on the last transfer

c.

the total number of bytes transferred divided by the total time between the first request for service and the completion on the last transfer

d.

none of the mentioned

Discuss
Answer: (c).the total number of bytes transferred divided by the total time between the first request for service and the completion on the last transfer
Q24.
Whenever a process needs I/O to or from a disk it issues a ______________

a.

system call to the CPU

b.

system call to the operating system

c.

a special procedure

d.

all of the mentioned

Discuss
Answer: (b).system call to the operating system
Q25.
If a process needs I/O to or from a disk, and if the drive or controller is busy then :

a.

the request will be placed in the queue of pending requests for that drive

b.

the request will not be processed and will be ignored completely

c.

the request will be not be placed

d.

none of the mentioned

Discuss
Answer: (a).the request will be placed in the queue of pending requests for that drive
Q26.
Consider a disk queue with requests for I/O to blocks on cylinders :
98 183 37 122 14 124 65 67
Considering SSTF (shortest seek time first) scheduling, the total number of head movements is, if the disk head is initially at 53 :

a.

600

b.

620

c.

630

d.

640

Discuss
Answer: (d).640
Q27.
Random access in magnetic tapes is _________ compared to magnetic disks.

a.

fast

b.

very fast

c.

slow

d.

very slow

Discuss
Answer: (d).very slow
Q28.
Magnetic tape drives can write data at a speed ________ disk drives.

a.

much lesser than

b.

comparable to

c.

much faster than

d.

none of the mentioned

Discuss
Answer: (b).comparable to
Q29.
On media that use constant linear velocity (CLV), the _____________ is uniform.

a.

density of bits on the disk

b.

density of bits per sector

c.

the density of bits per track

d.

none of the mentioned

Discuss
Answer: (c).the density of bits per track
Q30.
SSTF algorithm, like SJF __________ of some requests.

a.

may cause starvation

b.

will cause starvation

c.

does not cause starvation

d.

causes aging

Discuss
Answer: (a).may cause starvation
Page 3 of 9

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