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Welcome to the Deadlocks MCQs Page

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

Deadlocks MCQs | Page 7 of 14

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Q61.
Which one of the following is the deadlock avoidance algorithm?

a.

banker’s algorithm

b.

round-robin algorithm

c.

elevator algorithm

d.

karn’s algorithm

Discuss
Answer: (a).banker’s algorithm
Q62.
What is the drawback of banker’s algorithm?

a.

in advance processes rarely know that how much resource they will need

b.

the number of processes changes as time progresses

c.

resource once available can disappear

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q63.
For effective operating system, when to check for deadlock?

a.

every time a resource request is made

b.

at fixed time intervals

c.

every time a resource request is made at fixed time intervals

d.

none of the mentioned

Discuss
Answer: (c).every time a resource request is made at fixed time intervals
Q64.
A problem encountered in multitasking when a process is perpetually denied necessary resources is called

a.

deadlock

b.

starvation

c.

inversion

d.

aging

Discuss
Answer: (b).starvation
Q65.
Which one of the following is a visual ( mathematical ) way to determine the deadlock occurrence?

a.

resource allocation graph

b.

starvation graph

c.

inversion graph

d.

none of the mentioned

Discuss
Answer: (a).resource allocation graph
Q66.
To avoid deadlock

a.

there must be a fixed number of resources to allocate

b.

resource allocation must be done only once

c.

all deadlocked processes must be aborted

d.

inversion technique can be used

Discuss
Answer: (a).there must be a fixed number of resources to allocate
Q67.
The number of resources requested by a process :

a.

must always be less than the total number of resources available in the system

b.

must always be equal to the total number of resources available in the system

c.

must not exceed the total number of resources available in the system

d.

must exceed the total number of resources available in the system

Discuss
Answer: (c).must not exceed the total number of resources available in the system
Q68.
The request and release of resources are ___________

a.

command line statements

b.

interrupts

c.

system calls

d.

special programs

Discuss
Answer: (c).system calls
Q69.
Multithreaded programs are :

a.

lesser prone to deadlocks

b.

more prone to deadlocks

c.

not at all prone to deadlocks

d.

none of the mentioned

Discuss
Answer: (b).more prone to deadlocks
Q70.
For a deadlock to arise, which of the following conditions must hold simultaneously ?

a.

Mutual exclusion

b.

No preemption

c.

Hold and wait

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Page 7 of 14

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