Operating System MCQs

1019 MCQs  (Page 22 of 102)

Attempt Operating System Quiz
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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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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The _____ table contains the base address of each page in physical memory.
A. Process
B. Memory
C. Page
D. Frame
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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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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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With paging there is no ________ fragmentation.
A. Internal
B. External
C. Either type of
D. None of the mentioned
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Paging increases the ______ time.
A. Waiting
B. Execution
C. Context €? switch
D. All of the mentioned
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Smaller page tables are implemented as a set of _______
A. Queues
B. Stacks
C. Counters
D. Registers
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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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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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Word of the Day
12 Jul
Obdurate
stubbornly refusing to change one’s opinion or course of action.
ضدی، بدکار، سنگدلی

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