超星 - Chapter 4 CPU Scheduling

单选题

What is Dispatch latency?

A. the speed of dispatching a process from running to the ready state
B. the time of dispatching a process from running to ready state and keeping the CPU idle
C. the time to stop one process and start running another one
D. none of the mentioned

查看答案

单选题

Scheduling is done so as to ____________

A. increase CPU utilization
B. decrease CPU utilization
C. keep the CPU more idle
D. none of the mentioned

查看答案

单选题

Scheduling is done so as to ____________

A. increase the throughput
B. decrease the throughput
C. increase the duration of a specific amount of work
D. none of the mentioned

查看答案

单选题

What is Turnaround time?

A. the total waiting time for a process to finish execution
B. the total time spent in the ready queue
C. the total time spent in the running queue
D. the total time from the completion till the submission of a process

查看答案

单选题

Scheduling is done so as to ____________

A. increase the turnaround time
B. decrease the turnaround time
C. keep the turnaround time same
D. there is no relation between scheduling and turnaround time

查看答案

单选题

The portion of the process scheduler in an operating system that dispatches processes is concerned with ____________

A. assigning ready processes to CPU
B. assigning ready processes to waiting queue
C. assigning running processes to blocked queue
D. all of the mentioned

查看答案

单选题

What is Waiting time?

A. the total time in the blocked and waiting queues
B. the total time spent in the ready queue
C. the total time spent in the running queue
D. the total time from the completion till the submission of a process

查看答案

单选题

Scheduling is done so as to ____________

A. increase the waiting time
B. keep the waiting time the same
C. decrease the waiting time
D. none of the mentioned

查看答案

单选题

What is Response time?

A. the total time taken from the submission time till the completion time
B. the total time taken from the submission time till the first response is produced
C. the total time taken from submission time till the response is output
D. none of the mentioned

查看答案

单选题

Round robin scheduling falls under the category of ___________

A. Non-preemptive scheduling
B. Preemptive scheduling
C. All of the mentioned
D. None of the mentioned

查看答案