Explore topic-wise MCQs in Operating System.

This section includes 7 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.

The context of a process in the PCB of a process does not contain __________

A. the value of the CPU registers
B. the process state
C. memory-management information
D. context switch time
Answer» E.
Discussion
2.

Suppose that a process is in Blocked state waiting for some I/O service. When the service is completed, it goes to the __________

A. Running state
B. Ready state
C. Suspended state
D. Terminated state
Answer» C. Suspended state
Discussion
3.

In a multiprogramming environment __________

A. the processor executes more than one process at a time
B. the programs are developed by more than one person
C. more than one process resides in the memory
D. a single user can execute many programs at the same time
Answer» D. a single user can execute many programs at the same time
Discussion
4.

In a time-sharing operating system, when the time slot given to a process is completed, the process goes from the running state to the __________

A. Blocked state
B. Ready state
C. Suspended state
D. Terminated state
Answer» C. Suspended state
Discussion
5.

The only state transition that is initiated by the user process itself is __________

A. block
B. wakeup
C. dispatch
D. none of the mentioned
Answer» B. wakeup
Discussion
6.

The primary distinction between the short term scheduler and the long term scheduler is __________

A. The length of their queues
B. The type of processes they schedule
C. The frequency of their execution
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
7.

When the process issues an I/O request __________

A. It is placed in an I/O queue
B. It is placed in a waiting queue
C. It is placed in the ready queue
D. It is placed in the Job queue
Answer» B. It is placed in a waiting queue
Discussion