Operating System MCQ Questions and answers-

1. The minimum number of frames to be allocated to a process is decided by the :
Veiw Answer
Ans. instruction set architecture

2. When a page fault occurs before an executing instruction is complete :
Veiw Answer
Ans.the instruction must be restarted

3. _________ replacement allows a process to select a replacement frame from the set of all frames, even if the frame is currently allocated to some other process.
Veiw Answer
Ans.Public

4. The algorithm in which we split m frames among n processes, to give everyone an equal share, m/n frames is known as :
Veiw Answer
Ans.equal allocation algorithm

5.With either equal or proportional algorithm, a high priority process is treated ___________ a low priority process.
Veiw Answer
Ans. same as

6. One problem with the global replacement algorithm is that :
Veiw Answer
Ans.a process cannot control its own page – fault rate

7. ________ replacement generally results in greater system throughput.
Veiw Answer
Ans. Global