Operating System MCQ – Memory Management – Paging

This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Memory Management – Paging”.

1. Physical memory is broken into fixed-sized blocks called ________
a) frames
b) pages
c) backing store
d) none of the mentioned
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2. Logical memory is broken into blocks of the same size called _________
a) frames
b) pages
c) backing store
d) none of the mentioned
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3. Every address generated by the CPU is divided into two parts. They are ____________
a) frame bit & page number
b) page number & page offset
c) page offset & frame bit
d) frame offset & page offset
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4. The __________ is used as an index into the page table.
a) frame bit
b) page number
c) page offset
d) frame offset
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5. The _____ table contains the base address of each page in physical memory.
a) process
b) memory
c) page
d) frame
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6. The size of a page is typically ____________
a) varied
b) power of 2
c) power of 4
d) none of the mentioned
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7. If the size of logical address space is 2 to the power of m, and a page size is 2 to the power of n addressing units, then the high order _____ bits of a logical address designate the page number, and the ____ low order bits designate the page offset.
a) m, n
b) n, m
c) m – n, m
d) m – n, n
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8. With paging there is no ________ fragmentation.
a) internal
b) external
c) either type of
d) none of the mentioned
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9. The operating system maintains a ______ table that keeps track of how many frames have been allocated, how many are there, and how many are available.
a) page
b) mapping
c) frame
d) memory
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10. Paging increases the ______ time.
a) waiting
b) execution
c) context – switch
d) all of the mentioned
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11. Smaller page tables are implemented as a set of _______
a) queues
b) stacks
c) counters
d) registers
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12. The page table registers should be built with _______
a) very low speed logic
b) very high speed logic
c) a large memory space
d) none of the mentioned
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13. For larger page tables, they are kept in main memory and a __________ points to the page table.
a) page table base register
b) page table base pointer
c) page table register pointer
d) page table base
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14. For every process there is a __________
a) page table
b) copy of page table
c) pointer to page table
d) all of the mentioned
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15. Time taken in memory access through PTBR is ____________
a) extended by a factor of 3
b) extended by a factor of 2
c) slowed by a factor of 3
d) slowed by a factor of 2
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More MCQs on Paging:

• Paging MCQ (Set 2)

Sanfoundry Global Education & Learning Series – Operating System.