Operating system questions answers virtual memory

 

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Operating system questions answers virtual memory

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Question 1
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
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
..... 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
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
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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