Operating system questions answers memory management

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Operating system questions answers memory management

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Run time mapping from virtual to physical address is done by .....
A
Memory management unit
B
CPU
C
PCI
D
None of the mentioned
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of the following is the address generated by CPU?
A
physical address
B
absolute address
C
logical address
D
none of the mentioned
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Operating System maintains the page table for .....
A
each process
B
each thread
C
each instruction
D
each address
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is compaction?
A
a technique for overcoming internal fragmentation
B
a paging technique
C
a technique for overcoming external fragmentation
D
a technique for overcoming fatal error
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Memory management technique in which system stores and retrieves data from secondary storage for use in main memory is called?
A
fragmentation
B
paging
C
mapping
D
none of the mentioned
There are 5 questions to complete.

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