Question: To detect deadlocks, the system needs to maintain the wait for graph and periodically invoke an algorithm that searches for a cycle in the graph. An algorithm to detect a cycle in a graph requires an
Answer:
MCQ: To detect deadlocks, the system needs to maintain the wait for graph and periodically invoke an algorithm that searches for a cycle in the graph. An algorithm to detect a cycle in a graph requires an
Correct Answer:
A. order of n2 operations, where n is the number of vertices in the graph.
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Related Questions
- 1. When should we invoke the detection algorithm?
- 2. invoking the deadlock-detection algorithm for every resource request will incur considerable overhead in
- 3. Which of the following is options for breaking a deadlock
- 4. which of the following method can be used to eliminate deadlock under process termination
- 5. In which of the following method after each process is aborted, a deadlock-detection algorithm must be invoked to determine whether any processes are still deadlocked.
- 6. we should abort those processes whose termination will incur
- 7. Many factors may affect which process is chosen for termination, including:
- 8. If preemption is required to deal with deadlocks, which of the following issues need to be addressed:
- 9. Which resources and which processes are to be preempted? As in process termination, we must determine the order of preemption to minimize cost. Cost factors may include which of the below parameters
- 10. If we preempt a resource from a process, Which of the following stands true? <ol> <li>it cannot continue with its normal execution; it is missing some needed resource.</li> <li>We must roll back the process to some safe state and restart it from that state</li> <li>it can continue with its normal execution; it is missing some needed resource.</li> <li>We should not roll back the process to some safe state and restart it from that state</li> </ol>
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