Question: Whenever the CPU becomes idle, the operating system must select one of the processes in the ___ to be executed.
Answer:
As we shall see when we consider the various scheduling algorithms, a ready queue can be implemented as a FIFO queue, a priority queue, a tree, or simply an unordered linked list. Conceptually, however, all the processes in the ready queue are lined up waiting for a chance to run on the CPU. The records in the queues are generally process control blocks (PCBs) of the processes
MCQ: Whenever the CPU becomes idle, the operating system must select one of the processes in the ___ to be executed.
Explanation:
As we shall see when we consider the various scheduling algorithms, a ready queue can be implemented as a FIFO queue, a priority queue, a tree, or simply an unordered linked list. Conceptually, however, all the processes in the ready queue are lined up waiting for a chance to run on the CPU. The records in the queues are generally process control blocks (PCBs) of the processes
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Related Questions
- 1. The ____ is the module that gives control of the CPU to the process selected by the short-term scheduler.
- 2. The dispatcher should be as fast as possible, since it is invoked during every process switch. The time it takes for the dispatcher to stop one process and start another running is known as the ____.
- 3. Many criteria have been suggested for comparing CPU-scheduling algorithms.The criteria include which of thefollowing: <ol> <li>CPU utilization</li> <li>Throughput</li> <li>Turnaround time</li> <li>Waiting time</li> <li>Response time</li> </ol>
- 4. We want to keep the CPU as busy as possible,This criteria refers to as
- 5. If the CPU is busy executing processes, then work is being done. One measure of work is the number of processes that are completed per time unit, called ____.
- 6. From the point of view of a particular process, the important criterion is how long it takes to execute that process. The interval from the time of submission of a process to the time of completion is the ____
- 7. _________is the sum of the periods spent waiting in the ready queue.
- 8. another measure is the time from the submission of a request until the first response is produced. This measure is called_____
- 9. It is desirable to ______.
- 10. In Which of the following algorithm the process that requests the CPU first is allocated the CPU first
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