Operating system mcqs deadlock detection

 

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Operating system mcqs deadlock detection

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Question 1
If deadlocks occur frequently, the detection algorithm must be invoked .....
A
rarely
B
frequently
C
rarely & frequently
D
none of the mentioned
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Question 2
Every time a request for allocation cannot be granted immediately, the detection algorithm is invoked. This will help identify .....
A
the set of processes that have been deadlocked
B
the set of processes in the deadlock queue
C
the specific process that caused the deadlock
D
all of the mentioned
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Question 3
The wait-for graph is a deadlock detection algorithm that is applicable when .....
A
all resources have a single instance
B
all resources have multiple instances
C
all resources have a single 7 multiple instances
D
all of the mentioned


Question 4
What is the disadvantage of invoking the detection algorithm for every request?
A
overhead of the detection algorithm due to consumption of memory
B
excessive time consumed in the request to be allocated memory
C
considerable overhead in computation time
D
all of the mentioned
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Question 5
'm' processes share 'n' resources of the same type. The maximum need of each process doesn't exceed 'n' and the sum of all their maximum needs is always less than m+n. In this setup, deadlock .....
A
can never occur
B
may occur
C
has to occur
D
none of the mentioned
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There are 5 questions to complete.

 

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