1
GATE CSE 2001
MCQ (Single Correct Answer)
+1
-0.3
Which of the following statements is false?
A
Virtual memory implements the translation of a program’s address space into physical memory address space
B
Virtual memory allows each program to exceed the size of the primary memory
C
Virtual memory increases the degree of multiprogramming.
D
Virtual memory reduces the context switching overhead.
2
GATE CSE 2001
MCQ (Single Correct Answer)
+1
-0.3
Consider a virtual memory system with $$FIFO$$ page replacement policy. For an arbitrary page access pattern, increasing the number of page frames in main memory will
A
Always decrease the number of page faults.
B
Always increase the number of page faults.
C
Sometimes increase the number of page faults.
D
Never affect the number of page faults.
3
GATE CSE 2001
MCQ (Single Correct Answer)
+2
-0.6
Consider a machine with 64 MB physical memory and a 32-bit virtual address space. If the page size is 4KB, what is the approximate size of the page table?
A
16 M
B
8 MB
C
2 MB
D
24 MB
4
GATE CSE 2001
MCQ (Single Correct Answer)
+1
-0.3
Which of the following requires a device driver?
A
Register
B
Cache
C
Main memory
D
Disk