Question: Multiple processes are permitted to concurrently acquire a reader–writer lock in read mode, but only one process may acquire the lock for ___, as exclusive access is required for ____
Answer:
MCQ: Multiple processes are permitted to concurrently acquire a reader–writer lock in read mode, but only one process may acquire the lock for ___, as exclusive access is required for ____
Correct Answer:
A. reading ,readers
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Related Questions
- 1. The Dining-Philosophers Problem Solution is:
- 2. All processes share a semaphore variable mutex, which is initialized to 1. Each process must execute wait(mutex) before entering the critical section and signal(mutex) afterward. Suppose that a process interchanges the order in which the wait() and signal() operations on the semaphore mutex are executed, resulting in the following execution: signal(mutex);...critical section...wait(mutex); In this situation
- 3. All processes share a semaphore variable mutex, which is initialized to 1. Each process must execute wait(mutex) before entering the critical section and signal(mutex) afterward. Suppose that a process replaces signal(mutex) with wait(mutex). That is, it executes wait(mutex);...critical section...wait(mutex); In this Case
- 4. in the following execution: signal(mutex);...critical section...wait(mutex); Suppose that a process omits the wait(mutex), or the signal(mutex), or both. In this case:
- 5. CPU-scheduling decisions may take place under which of the following circumstances: <ol> <li>When a process switches from the running state to the waiting state</li> <li>When a process switches from the running state to the ready state</li> <li>When a process switches from the waiting state to the ready state</li> <li>When a process terminates</li> </ol>
- 6. Under nonpreemptive scheduling, once the CPU has been allocated to a process, the process keeps the CPU until . <ol> <li>it releases the CPU by terminating</li> <li>it releases the CPU by switching to the waiting state</li> <li>it releases the CPU By switching to the ready state</li> <li>it releases the CPU By switching to the Running state</li> </ol>
- 7. An I/O-bound program typically has
- 8. A CPU-bound program might have
- 9. Whenever the CPU becomes idle, the operating system must select one of the processes in the ___ to be executed.
- 10. The ____ is the module that gives control of the CPU to the process selected by the short-term scheduler.
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