Computer Organization

Address Translation

Question 1
Marks : +2 | -2
Pass Ratio : 50%
The page length shouldn’t be too long because ___________
It reduces the program efficiency
It increases the access time
It leads to wastage of memory
None of the mentioned
Explanation:
If the size is more than the required size then the extra space gets wasted.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
The higher order bits of the virtual address generated by the processor forms the _______
Table number
Frame number
List number
Page number
Explanation:
The higher order bits indicate the page number which points to one particular entry in the page table.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
The page table should be ideally situated within ____________
Processor
TLB
MMU
Cache
Explanation:
The page table information is used for every read and access operation.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
Whenever a request to the page that is not present in the main memory is accessed ______ is triggered.
Interrupt
Request
Page fault
None of the mentioned
Explanation:
When a page fault is triggered, the os brings the required page into memory.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
The virtual memory bridges the size and speed gap between __________ and __________
RAM and ROM
RAM and Secondary memory
Processor and RAM
None of the mentioned
Explanation:
The virtual memory basically works as an extension of the RAM.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
What does the RUN signal do?
It causes the termination of a signal
It causes a particular signal to perform its operation
It causes a particular signal to end
It increments the step counter by one
Explanation:
The RUN signal increments the step counter by one for each clock cycle.
Question 7
Marks : +2 | -2
Pass Ratio : 50%
The lower order bits of the virtual address forms the __________
Page number
Frame number
Block number
Offset
Explanation:
This gives the offset within the page table.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
The TLB is incorporated as part of the _________
Processor
MMU
Disk
RAM
Explanation:
None.
Question 9
Marks : +2 | -2
Pass Ratio : 50%
The bit used to store whether the page has been modified or not is called as _______
Dirty bit
Modify bit
Relocation bit
None of the mentioned
Explanation:
This bit is set after the page in the table gets modified.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
The memory allocated to each page is contiguous.
True
False
Explanation:
Each page might be allocated memory deferentially but the memory for one page will be continuous.