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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 6 of 14

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Q51.
A direct method of deadlock prevention is to prevent the occurrences of ...................

a.

Mutual exclusion

b.

Hold and wait

c.

Circular waits

d.

No preemption

Discuss
Answer: (c).Circular waits
Q52.
……………. can be defined as the permanent blocking of a set of processed that either complete for system resources or communicate with each other.

a.

Deadlock

b.

Permanent lock

c.

Starvation

d.

Mutual exclusion

Discuss
Answer: (a).Deadlock
Q53.
The following conditions of policy must be present for a deadlock to be possible.

i) Mutual exclusion ii) Hold and wait
iii) No preemption iv) Circular wait

a.

i, ii and iii only

b.

ii, iii and iv only

c.

i, iii and iv only

d.

All i, ii, iii and iv

Discuss
Answer: (d).All i, ii, iii and iv
Q54.
A direct method of deadlock prevention is to prevent the occurrence of …………..

a.

Mutual exclusion

b.

Hold and wait

c.

Circular waits

d.

No preemption

Discuss
Answer: (c).Circular waits
Q55.
The simplest way of remove deadlock from the system is to ...

a.

preempt a resource

b.

rollback

c.

kill one of the processes

d.

lock one of the processes

Discuss
Answer: (c).kill one of the processes
Q56.
In the multiprogramming system, a set of processes is deadlock if each process in the set is waiting for an event to occur that can be initialized only by another process in the set. Which of the following is not one of the four conditions that are necessary for deadlock to occur?

a.

nonpreemption

b.

process suspension

c.

partial assignment of resources

d.

circular wait

Discuss
Answer: (b).process suspension
Q57.
What is the reusable resource?

a.

that can be used by one process at a time and is not depleted by that use

b.

that can be used by more than one process at a time

c.

that can be shared between various threads

d.

none of the mentioned

Discuss
Answer: (a).that can be used by one process at a time and is not depleted by that use
Q58.
Which of the following condition is required for deadlock to be possible?

a.

mutual exclusion

b.

a process may hold allocated resources while awaiting assignment of other resources

c.

no resource can be forcibly removed from a process holding it

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q59.
A system is in the safe state if

a.

the system can allocate resources to each process in some order and still avoid a deadlock

b.

there exist a safe sequence

c.

all of the mentioned

d.

none of the mentioned

Discuss
Answer: (a).the system can allocate resources to each process in some order and still avoid a deadlock
Q60.
The circular wait condition can be prevented by

a.

defining a linear ordering of resource types

b.

using thread

c.

using pipes

d.

all of the mentioned

Discuss
Answer: (a).defining a linear ordering of resource types
Page 6 of 14

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