OSG202 Complete Questions And Answers With Real Solutions
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Course
OSG202
Institution
OSG202
OSG202 Complete Questions And Answers With Real Solutions
File is generally defined to be: ANS A collection of similar records
Which of the following information bits used by the various page replacement policies indicates if the page has been called lately? ANS Referenced bit
What followi...
OSG202 Complete Questions And Answers With Real
Solutions
File is generally defined to be: ANS A collection of similar records
Which of the following information bits used by the various page replacement policies indicates if
the page has been called lately? ANS Referenced bit
What following resource allocation state is unsafe ANS Fig C (1,5; 2,5; 2,4; 4,7)
___ gives users the appearance that their programs are being completely loaded in the main memory
during their entire processing time ANS Virtual memory
Which of the following is not a condition necessary for deadlock to exist? ANS Preemption
condition
In a directed graph used to model deadlock, processes are represented using ANS Circular
Which of following is true about disk storage in the memory hierarchy? ANS Gigabytes of slow
cheap memory
Which of main bus in the IBM PC computer, that can run at 66 MHz and transfer 8 bytes at a time?
ANS PCI ( Peripheral Component Interconnect)
Which deadlock condition does "Take resources away" attack? ANS No preemption
What is the correct approach with the "No preemption condition to prevent Deadlock? ANS Take
resources away
___ allows a resource to be held by a process as long as it is needed ANS No preemption
condition
, An example of a l/O character devices is ANS Modem
How many categories can be the I/O devices roughly divided? ANS 2
Which of the following instructions should be allowed in user mode? ANS Read the time-of-day
clock
What is true about preemptable resources? ANS Can be taken away from a process with no ill
effects
As one proceeds down the memory hierarchy (from inboard memory to offline storage), the
following conditions apply: ANS Increasing access time
Examples of general purpose stored program computers include the following except ANS MP3
player
Which of the following statements is not correct about the device controller of I/O devices? ANS
Is software component of device
Which of the following process state transitions is correct, when the scheduler picks a process from
the ready queue to run? ANS Ready-> running
Which of the following statements about the CPU handling interrupts is incorrect? ANS None of
the other choices
With paging. when is the internal fragmentation possible? ANS The last page of the job is less
than the maximum page size
Which deadlock condition does "Ordering resources numerically attack? ANS Circular-wait
condition
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