Question: For a single-processor system <ul> <li>I. there will never be more than one running process</li> <li>II. if more processes, the rest will have to wait until the CPU is free and can be rescheduled.</li> <li>III. it maximize the CPU utilization</li> <li>IV. there will be more than one running process</li> </ul>
Answer:
- there will never be more than one running process
- if more processes, the rest will have to wait until the CPU is free and can be rescheduled.
MCQ: For a single-processor system <ul> <li>I. there will never be more than one running process</li> <li>II. if more processes, the rest will have to wait until the CPU is free and can be rescheduled.</li> <li>III. it maximize the CPU utilization</li> <li>IV. there will be more than one running process</li> </ul>
Correct Answer:
A. I, II
Explanation:
- there will never be more than one running process
- if more processes, the rest will have to wait until the CPU is free and can be rescheduled.
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Related Questions
- 1. The processes that are residing in main memory and are ready and waiting to execute are kept on a list called the
- 2. The ready queue is generally stored as a______
- 3. Which of the following is True regarding A ready-queue header
- 4. The list of processes waiting for a particular I/O device is called a________
- 5. 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>
- 6. At which time it is removed from all queues and has its PCB and resources deallocated.
- 7. 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>
- 8. 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>
- 9. 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>
- 10. 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>
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