Q. A page fault occurs when :

View solution

Q. When a page fault occurs, the state of the interrupted process is :

View solution

Q. When a process begins execution with no pages in memory :

View solution

Q. 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 :

View solution

Q. When the page fault rate is low :

View solution

Q. Locality of reference implies that the page reference being made by a process :

View solution

Q. Which of the following page replacement algorithms suffers from Belady’s Anomaly ?

View solution

Q. A process refers to 5 pages, A, B, C, D, E in the order : A, B, C, D, A, B, E, A, B, C, D, E. If the page replacement algorithm is FIFO, the number of page transfers with an empty internal store of 3 frames is :

View solution

Q. A memory page containing a heavily used variable that was initialized very early and is in constant use is removed, then the page replacement algorithm used is :

View solution

Q. Users _______ that their processes are running on a paged system.

View solution

Q. If no frames are free, _____ page transfer(s) is/are required.

View solution

Q. When a page is selected for replacement, and its modify bit is set :

View solution

Q. The aim of creating page replacement algorithms is to :

View solution

Q. A FIFO replacement algorithm associates with each page the _______

View solution

Q. Optimal page – replacement algorithm is :

View solution

Q. Optimal page – replacement algorithm is difficult to implement, because :

View solution

Q. LRU page – replacement algorithm associates with each page the ______

View solution

Q. The two methods how LRU page replacement policy can be implemented in hardware are:

View solution

Q. When using counters to implement LRU, we replace the page with the :

View solution

Q. In the stack implementation of the LRU algorithm, a stack can be maintained in a manner :

View solution