Explore topic-wise MCQs in Operating System.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Operating System knowledge and support exam preparation. Choose a topic below to get started.

1.

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
Answer» B. decrease CPU utilization
Discussion
2.

The switching of the CPU from one process or thread to another is called ____________

A. process switch
B. task switch
C. context switch
D. all of the mentioned
Answer» E.
Discussion
3.

In the following cases non preemptive scheduling occurs?

A. When a process switches from the running state to the ready state
B. When a process goes from the running state to the waiting state
C. When a process switches from the waiting state to the ready state
D. All of the mentioned
Answer» C. When a process switches from the waiting state to the ready state
Discussion
4.

An I/O bound program will typically have ____________

A. a few very short CPU bursts
B. many very short I/O bursts
C. many very short CPU bursts
D. a few very short I/O bursts
Answer» D. a few very short I/O bursts
Discussion
5.

With multiprogramming ______ is used productively.

A. time
B. space
C. money
D. all of the mentioned
Answer» B. space
Discussion