Operating System (3140702) MCQs
MCQs of Memory Management
| 71. |
The optimal page replacement algorithm will select the page that
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Answer:
Option (d) |
| 72. |
We have a process that has been allocated 3 page frames and initially none of the pages of the process are available in the memory. The following sequence of page references (reference string) is made by the process : 1, 2, 1, 3, 7, 4, 5, 6, 3, 1 How many page faults will occur for the above reference string with the Least Recently Used(LRU) Page Replacement Policy in comparison to an Optimal Page Replacement policy?
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Answer:
Option (b) |
| 73. |
We have a process that has been allocated 3 page frames and initially none of the pages of the process are available in the memory. The following sequence of page references (reference string) is made by the process : 1, 2, 1, 3, 7, 4, 5, 6, 3, 1. If Optimal Page Replacement policy is used, _______ page faults will occur for the above reference string.
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Answer:
Option (a) |
| 74. |
‘LRU’ page replacement policy is
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Answer:
Option (c) |
| 75. |
Which amongst the following is not a valid page replacement policy ?
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Answer:
Option (c) |
| 76. |
Virtual memory uses disk space as an extension of _________
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Answer:
Option (b) |
| 77. |
1byte=____ bits
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Answer:
Option (c) |
| 78. |
GB stans for
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Answer:
Option (a) |
| 79. |
1 KB = __________ Bytes
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Answer:
Option (c) |
| 80. |
What is bigger GigaByte (GB), TeraByte (TB), Kilobyte (KB), Megabyte (MB)?
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Answer:
Option (d) |
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