Computer Organization

Address Translation

Question 1
Marks : +2 | -2
Pass Ratio : 50%
The pages size shouldn’t be too small, as this would lead to __________
Transfer errors
Increase in operation time
Increase in access time
Decrease in performance
Explanation:
The access time of the magnetic disk is much longer than the access time of the memory.
Question 2
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 3
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.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
The cache bridges the speed gap between ______ and __________
RAM and ROM
RAM and Secondary memory
Processor and RAM
None of the mentioned
Explanation:
The Cache is a hardware implementation to reduce the access time for processor operations.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
The TLB is incorporated as part of the _________
Processor
MMU
Disk
RAM
Explanation:
None.
Question 6
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 7
Marks : +2 | -2
Pass Ratio : 100%
If the page table is large then it is stored in __________
Processor
Main memory
Disk
Secondary storage
Explanation:
By storing the table on the RAM the required operation’s speed is increased.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
The starting address of the page table is stored in __________
TLB
R0
Page table base register
None of the mentioned
Explanation:
The register is used to hold the address which is used to access the table.
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 area in the main memory that can hold one page is called as ___________
Page entry
Page frame
Frame
Block
Explanation:
None.