Explore topic-wise MCQs in Operating System.

This section includes 8 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.

In most cases, if a process is sent a signal while it is executing a system call ____________

A. the system call will continue execution and the signal will be ignored completely
B. the system call is interrupted by the signal, and the signal handler comes in
C. the signal has no effect until the system call completes
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
2.

The usual effect of abnormal termination of a program is ____________

A. core dump file generation
B. system crash
C. program switch
D. signal destruction
Answer» B. system crash
Discussion
3.

The usefulness of signals as a general inter process communication mechanism is limited because ____________

A. they do not work between processes
B. they are user generated
C. they cannot carry information directly
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
4.

The _______ maintains pending and blocked bit vectors in the context of each process.

A. CPU
B. Memory
C. Process
D. Kernel
Answer» E.
Discussion
5.

Signals are identified by ____________

A. signal identifiers
B. signal handlers
C. signal actions
D. none of the mentioned
Answer» B. signal handlers
Discussion
6.

The three ways in which a process responds to a signal are ____________

A. ignoring the signal
B. handling the signal
C. performing some default action
D. all of the mentioned
Answer» E.
Discussion
7.

Signals of a given type ____________

A. are queued
B. are all sent as one
C. cannot be queued
D. none of the mentioned
Answer» C. cannot be queued
Discussion
8.

Signals that occur at the same time, are presented to the process ____________

A. one at a time, in a particular order
B. one at a time, in no particular order
C. all at a time
D. none of the mentioned
Answer» C. all at a time
Discussion