Operating System MCQs

A. P x ma + (1-p) x page fault time
B. Ma + page fault time
C. (1-p) x ma + p x page fault time
D. None of the mentioned

A. The turnaround time increases
B. The effective access time increases
C. The effective access time decreases
D. Turnaround time & effective access time increases

A. Will always be to the page used in the previous page reference
B. Is likely to be one of the pages used in the last few page references
C. Will always be one of the pages existing in memory
D. Will always lead to page faults

A. Processes
B. Threads
C. Instructions
D. None of the mentioned

A. Paging
B. Demand paging
C. Segmentation
D. Swapping

A. Individual page of a process
B. Entire process
C. Entire thread
D. First page of a process

A. Primary memory
B. Secondary memory
C. Cpu
D. None of the mentioned

A. Segmentation fault occurs
B. Fatal error occurs
C. Page fault occurs
D. No error occurs

A. Page-fault rate
B. Hit ratio
C. Memory access time
D. None of the mentioned

A. Oldest page is chosen
B. Newest page is chosen
C. Random page is chosen
D. None of the mentioned