Question: Prevent deadlocks by limiting how requests can be made. The limits ensure that at least one of the necessary conditions for deadlock cannot occur. Possible side effects of preventing deadlocks by this method are: <ol> <li>Low device utilization</li> <li>Reduced system throughput.</li> <li>Starvation</li> <li>Page fault</li> </ol>
Answer:
MCQ: Prevent deadlocks by limiting how requests can be made. The limits ensure that at least one of the necessary conditions for deadlock cannot occur. Possible side effects of preventing deadlocks by this method are: <ol> <li>Low device utilization</li> <li>Reduced system throughput.</li> <li>Starvation</li> <li>Page fault</li> </ol>
Correct Answer:
A. 1,2
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Related Questions
- 1. An alternative method for avoiding deadlocks is
- 2. avoiding deadlocks is to require additional information about how resources are to be requested .In order to avoid a possible future deadlock which of the following information is required?
- 3. avoiding deadlocks ,The simplest and most useful model requires that each process declare the ____ of resources of each type that it may need
- 4. A deadlock-avoidance algorithm dynamically examines the ____ to ensure that a circular-wait condition can never exist.
- 5. In A deadlock-avoidance algorithm The resource allocation state is defined by
- 6. In A deadlock-avoidance algorithm A state is safe if
- 7. consider a system with twelve magnetic tape drives and three processes: P0, P1, and P2. Process P0 requires ten tape drives, process P1 may need as many as four tape drives, and process P2 may need up to nine tape drives. Suppose that, at time t0, process P0 is holding five tape drives, process P1 is holding two tape drives, and process P2 is holding two tape drives. (Thus, there are three free tape drives.) </br> Maximum Needs Current Needs </br> P0 10 5 </br> P1 4 2 </br> P2 9 2 </br> At time t0, Which of the following sequence is a safe sequence ?
- 8. Which of the following stands true for Resource-allocation graph for deadlock avoidance.
- 9. The resource-allocation-graph algorithm is not applicable to___
- 10. which of the following statement is True for Banker algorithm for deadlock-avoidance.
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