Operating system questions answers virtual memory

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Operating system questions answers virtual memory

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When a program tries to access a page that is mapped in address space but not loaded in physical memory, then .....
A
segmentation fault occurs
B
fatal error occurs
C
page fault occurs
D
no error occurs
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The pager concerns with the .....
A
individual page of a process
B
entire process
C
entire thread
D
first page of a process
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
..... is the concept in which a process is copied into the main memory from the secondary memory according to the requirement.
A
Paging
B
Demand paging
C
Segmentation
D
Swapping
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A process is thrashing if .....
A
it is spending more time paging than executing
B
it is spending less time paging than executing
C
page fault occurs
D
swapping can not take place
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Swap space exists in .....
A
primary memory
B
secondary memory
C
cpu
D
none of the mentioned
There are 5 questions to complete.

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