Operating System MCQs

1019 MCQs  (Page 54 of 102)

Attempt Operating System Quiz
A memory buffer used to accommodate a speed differential is called ____________
A. Stack pointer
B. Cache
C. Accumulator
D. Disk buffer
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Run time mapping from virtual to physical address is done by ____________
A. Memory management unit
B. Cpu
C. Pci
D. None of the mentioned
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Memory management technique in which system stores and retrieves data from secondary storage for use in main memory is called?
A. Fragmentation
B. Paging
C. Mapping
D. None of the mentioned
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The address of a page table in memory is pointed by ____________
A. Stack pointer
B. Page table base register
C. Page register
D. Program counter
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Program always deals with ____________
A. Logical address
B. Absolute address
C. Physical address
D. Relative address
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The page table contains ____________
A. Base address of each page in physical memory
B. Page offset
C. Page size
D. None of the mentioned
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What is compaction?
A. A technique for overcoming internal fragmentation
B. A paging technique
C. A technique for overcoming external fragmentation
D. A technique for overcoming fatal error
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Operating System maintains the page table for ____________
A. Each process
B. Each thread
C. Each instruction
D. Each address
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In internal fragmentation, memory is internal to a partition and ____________
A. Is being used
B. Is not being used
C. Is always used
D. None of the mentioned
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A solution to the problem of external fragmentation is ____________
A. Compaction
B. Larger memory space
C. Smaller memory space
D. None of the mentioned
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Word of the Day
13 Jul
Debunk
expose the falseness or hollowness of (an idea or belief).
بے نقاب کرنا، پول کھولنا

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