Operating System MCQs

1019 MCQs  (Page 85 of 102)

Attempt Operating System Quiz
The device-status table contains ____________
A. Each i/o device type
B. Each i/o device address
C. Each i/o device state
D. All of the mentioned
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Which buffer holds the output for a device?
A. Spool
B. Output
C. Status
D. Magic
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Which one of the following connects high-speed high-bandwidth device to memory subsystem and CPU.
A. Expansion bus
B. Pci bus
C. Scsi bus
D. None of the mentioned
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A process is moved to wait queue when I/O request is made with ____________
A. Non-blocking i/o
B. Blocking i/o
C. Asynchronous i/o
D. Synchronous i/o
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Virtual memory uses disk space as an extension of _________
A. Secondary storage
B. Main memory
C. Tertiary storage
D. None of the mentioned
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Using swap space significantly _________ system performance.
A. Increases
B. Decreases
C. Maintains
D. Does not affect
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Linux __________ the use of multiple swap spaces.
A. Allows
B. Does not allow
C. May allow
D. None of the mentioned
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A single swap space ______ reside in two places.
A. Can
B. Cannot
C. Must not
D. None of the mentioned
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If the swap space is simply a large file, within the file system, ____________ used to create it, name it and allocate its space.
A. Special routines must be
B. Normal file system routines can be
C. Normal file system routines cannot be
D. Swap space storage manager is
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For swap space created in a separate disk partition where no file system or directory structure is placed, _____________ used to allocate and deallocate the blocks.
A. Special routines must be
B. Normal file system routines can be
C. Normal file system routines cannot be
D. Swap space storage manager is
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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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