GATE 2009

Question 34

A multilevel page table is preferred in comparison to a single level page table for translating virtual address to physical address because

A	It reduces the memory access time to read or write a memory location.
B	It helps to reduce the size of page table needed to implement the virtual address space of a process.
C	It is required by the translation lookaside buffer.
D	It helps to reduce the number of page faults in page replacement algorithms.

Question 34 Explanation:

In multilevel page table size is too big to fit in contiguous space then page tables are to be divided into different levels.

Correct Answer: B

Question 34 Explanation:

In multilevel page table size is too big to fit in contiguous space then page tables are to be divided into different levels.