Explore topic-wise MCQs in Operating System.

This section includes 2 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.

IF_THE_NUMBER_OF_CYCLES_SPENT_BUSY_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬®_WAITING_IS_NOT_EXCESSIVE,_THEN_:?$#

A. interrupt driven I/O is more efficient than programmed I/O
B. programmed I/O is more efficient than interrupt driven I/O
C. both programmed and interrupt driven I/O are equally efficient
D. none of the mentioned
Answer» C. both programmed and interrupt driven I/O are equally efficient
Discussion
2.

I/O is a _________ in system performance?

A. major factor
B. minor factor
C. does not matter
D. none of the mentioned
Answer» B. minor factor
Discussion