Practice Operating system - computer mcq Online Quiz (set-2) For All Competitive Exams
Q-1) The memory management, y one clock policy is applied then the page first loaded into a frame in memory its use bit is set to
(a)
(b)
(c)
(d)
Q-2) In disk storage devices, data are recorded on and later retrieved from disk via a conducting coil named
(a)
(b)
(c)
(d)
Q-3) The following operating system writes through catches?
(a)
(b)
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(d)
Q-4) The only state transition initiated by the user process itself in an operating system is
(a)
(b)
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(d)
Q-5) Following is not the state of Five-State process model
(a)
(b)
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(d)
Q-6) In secondary storage management, bit table, for each block on disk a vector contains
(a)
(b)
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(d)
Q-7) In memory management Free page list is: A- A list of page frames available for reading in pages. B- A list where the replaced page is assigned without modification. C-A list where the replaced page is assigned with modification.
(a)
(b)
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(d)
Q-8) Semaphores
(a)
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Q-9) The cluster is a case of
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(b)
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Q-10) In system buffer cache, used in UNIX, following not true
(a)
(b)
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(d)
Q-11) Multiprocessing models have
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(b)
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(d)
Q-12) Disaster recovery
(a)
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Q-13) Relative address in memory management is
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(d)
Q-14) The operating system control tables maintain process tables, because
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(d)
Q-15) In I/O management when buffering is allowed then : Statement A: Input transfer is performed before request is made. Statement B: Output transfer is performed after request is made. Statement A and B are both true
(a)
(b)
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(d)
Q-16) In dynamic loading
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Q-17) The page table that is maintained by operating system
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(d)
Q-18) In file management, the pile
(a)
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(d)
Q-19) In disk scheduling, SCAN algorithm states
(a)
(b)
(c)
(d)
Q-20) The FIFO algorithm
(a)
(b)
(c)
(d)