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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 8 of 14

Explore more Topics under Operating System

Q71.
For Mutual exclusion to prevail in the system :

a.

at least one resource must be held in a non sharable mode

b.

the processor must be a uniprocessor rather than a multiprocessor

c.

there must be at least one resource in a sharable mode

d.

all of the mentioned

Discuss
Answer: (a).at least one resource must be held in a non sharable mode
Q72.
For a Hold and wait condition to prevail :

a.

A process must be not be holding a resource, but waiting for one to be freed, and then request to acquire it

b.

A process must be holding at least one resource and waiting to acquire additional resources that are being held by other processes

c.

A process must hold at least one resource and not be waiting to acquire additional resources

d.

None of the mentioned

Discuss
Answer: (b).A process must be holding at least one resource and waiting to acquire additional resources that are being held by other processes
Q73.
Deadlock prevention is a set of methods :

a.

to ensure that at least one of the necessary conditions cannot hold

b.

to ensure that all of the necessary conditions do not hold

c.

to decide if the requested resources for a process have to be given or not

d.

to recover from a deadlock

Discuss
Answer: (a).to ensure that at least one of the necessary conditions cannot hold
Q74.
For non sharable resources like a printer, mutual exclusion :

a.

must exist

b.

must not exist

c.

may exist

d.

none of the mentioned

Discuss
Answer: (a).must exist
Q75.
For sharable resources, mutual exclusion :

a.

is required

b.

is not required

c.

depends on the operating system

d.

none of the mentioned

Discuss
Answer: (b).is not required
Q76.
To ensure that the hold and wait condition never occurs in the system, it must be ensured that :

a.

whenever a resource is requested by a process, it is not holding any other resources

b.

each process must request and be allocated all its resources before it begins its execution

c.

a process can request resources only when it has none

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q77.
The disadvantage of a process being allocated all its resources before beginning its execution is :

a.

Low CPU utilization

b.

Low resource utilization

c.

Very high resource utilization

d.

None of the mentioned

Discuss
Answer: (b).Low resource utilization
Q78.
To ensure no preemption, if a process is holding some resources and requests another resource that cannot be immediately allocated to it :

a.

then the process waits for the resources be allocated to it

b.

the process keeps sending requests until the resource is allocated to it

c.

the process resumes execution without the resource being allocated to it

d.

then all resources currently being held are preempted

Discuss
Answer: (d).then all resources currently being held are preempted
Q79.
One way to ensure that the circular wait condition never holds is to :

a.

impose a total ordering of all resource types and to determine whether one precedes another in the ordering

b.

to never let a process acquire resources that are held by other processes

c.

to let a process wait for only one resource at a time

d.

all of the mentioned

Discuss
Answer: (a).impose a total ordering of all resource types and to determine whether one precedes another in the ordering
Q80.
Each request requires that the system consider the _____________ to decide whether the current request can be satisfied or must wait to avoid a future possible deadlock.

a.

resources currently available

b.

processes that have previously been in the system

c.

resources currently allocated to each process

d.

future requests and releases of each process

Discuss
Answer: (a).resources currently available
Page 8 of 14

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