Question: Once the process is allocated the CPU and is executing, which of several events could occur: <ul> <li>i. The process could issue an I/O request and then be placed in an I/O queue</li> <li>ii. The process could create a new child process and wait for the child’s termination.</li> <li>iii. The process could be removed forcibly from the CPU, as a result of an interrupt, and be put back in the ready queue.</li> </ul>
Answer:
i. The process could issue an I/O request and then be placed in an I/O queue
ii. The process could create a new child process and wait for the child’s termination.
iii. The process could be removed forcibly from the CPU, as a result of an interrupt, and be put back in the ready queue.
MCQ: Once the process is allocated the CPU and is executing, which of several events could occur: <ul> <li>i. The process could issue an I/O request and then be placed in an I/O queue</li> <li>ii. The process could create a new child process and wait for the child’s termination.</li> <li>iii. The process could be removed forcibly from the CPU, as a result of an interrupt, and be put back in the ready queue.</li> </ul>
Explanation:
i. The process could issue an I/O request and then be placed in an I/O queue
ii. The process could create a new child process and wait for the child’s termination.
iii. The process could be removed forcibly from the CPU, as a result of an interrupt, and be put back in the ready queue.
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Related Questions
- 1. At which time it is removed from all queues and has its PCB and resources deallocated.
- 2. For short-term scheduler Which of the following stands True <ul> <li>i. selects from among the processes that are ready to execute and allocates the CPU to one of them.</li> <li>ii. selects processes from mass-storage device (typically a disk) and loads them into memory for execution.</li> <li>iii. The short-term scheduler must select a new process for the CPU frequently.</li> <li>iv. The short-term scheduler executes much less frequently.</li> </ul>
- 3. For Long-term scheduler which of the following stands true <ul> <li>i. The long-term scheduler executes much less frequently.</li> <li>ii. Because of the longer interval between executions, the long-term scheduler can afford to take more time to decide which process should be selected for execution</li> <li>iii. Because of the smaller interval between executions, the long-term scheduler can afford to take Less time to decide which process should be selected for execution</li> <li>iv. The long-term scheduler executes More frequently.</li> </ul>
- 4. Which of the following is TRUE for An I/O-bound process. <ul> <li>i. is one that spends more of its time doing I/O</li> <li>ii. is one that spends more of its time doing computations.</li> <li>iii. If all processes are I/O bound, the ready queue will almost always be empty</li> <li>iv. If all processes are I/O bound, the ready queue will almost always be Full</li> </ul>
- 5. Which of the following is TRUE for CPU bound process? <ul> <li>i. is one that spends more of its time doing I/O</li> <li>ii. is one that spends more of its time doing omputations.</li> <li>iii. If all processes are CPU bound, the I/O waiting queue will almost always be empty</li> <li>iv. If all processes are CPU bound, the I/O waiting queue will almost always be Full</li> </ul>
- 6. Copying a process from memory to disk to allow space for other processes is called
- 7. The process is swapped out of memory, and is later swapped into memory, by the________
- 8. Switching the CPU to another process requires performing a state save of the current process and a state restore of a different process. This task is known as a ____________.
- 9. Most operating systems (including UNIX, Linux, and Windows) identify processes according to a unique __________
- 10. The init process which always has a pid of
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