Explore topic-wise MCQs in Operating System.

This section includes 4 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.

________AND__________ARE_THE_MOST_COMMON_STRATEGIES_USED_TO_SELECT_A_FREE_HOLE_FROM_THE_SET_OF_AVAILABLE_HOLES.?$

A. First fit, Best fit
B. Worst fit, First fit
C. Best fit, Worst fit
D. None of the mentioned
Answer» B. Worst fit, First fit
Discussion
2.

To solve the problem of external fragmentation, ________ needs to be done periodically.$

A. compaction
B. check
C. formatting
D. replacing memory
Answer» B. check
Discussion
3.

The first fit and best fit algorithms suffer from :$

A. internal fragmentation
B. external fragmentation
C. starvation
D. all of the mentioned
Answer» C. starvation
Discussion
4.

One difficulty of contiguous allocation is ?

A. finding space for a new file
B. inefficient
C. costly
D. time taking
Answer» B. inefficient
Discussion