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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 2 of 14

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Q11.
A process said to be in ___________ state if it was waiting for an event that will never occur.

a.

Safe

b.

Unsafe

c.

Starvation

d.

Dead lock

Discuss
Answer: (d).Dead lock
Q12.
In one of the deadlock prevention methods, impose a total ordering of all resource types, and require that each process requests resources in an increasing order of enumeration. This violates the _______________ condition of deadlock.

a.

Mutual exclusion

b.

Hold and Wait

c.

Circular Wait

d.

No Preemption

Discuss
Answer: (c).Circular Wait
Q13.
Resource locking ________.

a.

Allows multiple tasks to simultaneously use resourc

b.

Forces only one task to use any resource at any time

c.

Can easily cause a dead lock condition

d.

Is not used for disk drives

Discuss
Answer: (b).Forces only one task to use any resource at any time
Q14.
A set of resources' allocations such that the system can allocate resources to each process in some order, and still avoid a deadlock is called ________.

a.

Unsafe state

b.

Safe state

c.

Starvation

d.

Greeedy allocation

Discuss
Answer: (b).Safe state
Q15.
Situations where two or more processes are reading or writing some shared data and the final results depends on the order of usage of the shared data, are called ________.

a.

Race conditions

b.

Critical section

c.

Mutual exclusion

d.

Dead locks

Discuss
Answer: (a). Race conditions
Q16.
When two or more processes attempt to access the same resource a _________ occurs.

a.

Critical section

b.

Fight

c.

Communication problem

d.

Race condition

Discuss
Answer: (d).Race condition
Q17.
A process is starved

a.

if it is permanently waiting for a resource

b.

if semaphores are not used

c.

if a queue is not used for scheduling

d.

if demand paging is not properly implemented

Discuss
Answer: (a).if it is permanently waiting for a resource
Q18.
Let S and Q be two semaphores initialized to 1, where P0 and P1 processes the following statements wait(S);wait(Q); ---; signal(S);signal(Q) and wait(Q); wait(S);---;signal(Q);signal(S); respectively. The above situation depicts a _________ .

a.

Semaphore

b.

Deadlock

c.

Signal

d.

Interrupt

Discuss
Answer: (b).Deadlock
Q19.
The state of a process after it encounters an I/O instruction is __________.

a.

Ready

b.

Blocked/Waiting

c.

Idle

d.

Running

Discuss
Answer: (b).Blocked/Waiting
Q20.
The Banker's algorithm is used

a.

to prevent deadlock in operating systems

b.

to detect deadlock in operating systems

c.

to rectify a deadlocked state

d.

none of the above

Discuss
Answer: (a).to prevent deadlock in operating systems
Page 2 of 14

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