A page fault occurs when?

A. A page gives inconsistent data
B. A page cannot be accessed due to its absence from memory
C. A page is invisible
D. All of the mentioned

When a page fault occurs, the state of the interrupted process is ____________

A. Disrupted
B. Invalid
C. Saved
D. None of the mentioned

When a process begins execution with no pages in memory?

A. Process execution becomes impossible
B. A page fault occurs for every page brought into memory
C. Process causes system crash
D. None of the mentioned

If the memory access time is denoted by ‘ma’ and ‘p’ is the probability of a page fault (0 <= p <= 1). Then the effective access time for a demand paged memory is ____________

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

When the page fault rate is low ____________

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

Locality of reference implies that the page reference being made by a process ____________

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