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Welcome to the Linux System MCQs Page

Dive deep into the fascinating world of Linux System with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Linux System, a crucial aspect of Operating System. In this section, you will encounter a diverse range of MCQs that cover various aspects of Linux System, 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 Linux System. 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 Linux System. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Linux System MCQs | Page 11 of 31

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Q101.
When the page fault rate is low :

a.

the turnaround time increases

b.

the effective access time increases

c.

the effective access time decreases

d.

turnaround time & effective access time increases

Discuss
Answer: (c).the effective access time decreases
Q102.
Locality of reference implies that the page reference being made by a process :

a.

will always be to the page used in the previous page reference

b.

is likely to be one of the pages used in the last few page references

c.

will always be one of the pages existing in memory

d.

will always lead to page faults

Discuss
Answer: (b).is likely to be one of the pages used in the last few page references
Q103.
Which of the following page replacement algorithms suffers from Belady’s Anomaly ?

a.

Optimal replacement

b.

LRU

c.

FIFO

d.

Both optimal replacement and FIFO

Discuss
Answer: (c).FIFO
Q104.
A process refers to 5 pages, A, B, C, D, E in the order : A, B, C, D, A, B, E, A, B, C, D, E. If the page replacement algorithm is FIFO, the number of page transfers with an empty internal store of 3 frames is :

a.

8

b.

10

c.

9

d.

7

Discuss
Answer: (c).9
Q105.
A memory page containing a heavily used variable that was initialized very early and is in constant use is removed, then the page replacement algorithm used is :

a.

LRU

b.

LFU

c.

FIFO

d.

None of the mentioned

Discuss
Answer: (c).FIFO
Q106.
Users _______ that their processes are running on a paged system.

a.

are aware

b.

are unaware

c.

may unaware

d.

None of the mentioned

Discuss
Answer: (b).are unaware
Q107.
If no frames are free, _____ page transfer(s) is/are required.

a.

one

b.

two

c.

three

d.

four

Discuss
Answer: (b).two
Q108.
When a page is selected for replacement, and its modify bit is set :

a.

the page is clean

b.

the page has been modified since it was read in from the disk

c.

the page is dirty

d.

the page has been modified since it was read in from the disk & page is dirty

Discuss
Answer: (d).the page has been modified since it was read in from the disk & page is dirty
Q109.
The aim of creating page replacement algorithms is to :

a.

replace pages faster

b.

increase the page fault rate

c.

decrease the page fault rate

d.

to allocate multiple pages to processes

Discuss
Answer: (c).decrease the page fault rate
Q110.
A FIFO replacement algorithm associates with each page the _______

a.

time it was brought into memory

b.

size of the page in memory

c.

page after and before it

d.

all of the mentioned

Discuss
Answer: (a).time it was brought into memory
Page 11 of 31

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