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MCQs Operating System|UGC-NET|GATE|Computer Science

21.Which operating system implementation has to focus on the issue of resource sharing?
A.Batch Processing
B.Multiprogramming
C.Distributed
D.Time sharing
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22.This OS interleaves execution of processes in an application program to meet its deadline
A.Batch Processing
B.Real time
C.multiprogramming
D.Time sharing
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23.What in multiprogramming OS provides a foolproof method of implementing memory protection to avoid program interference?
A.Direct Memory Access
B.Privileged mode
C.Memory Protection
D.Both 2 and 3
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24.What are the functions of multiprogramming OS?
A.Scheduling
B.Memory Management
C.I/O management
D.All of above
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25.Applications like Banking and reservations require which type of OS?
A.Real Time
B.Hard Real Time
C.Soft Real Time
D.None of the above
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26.What feature of RTOS is supported by executing parts of a computation in different computer systems?
A.Computation speed up
B.Resource sharing
C.Reliability
D.Communication
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27.Which OS employs the techniques of fault tolerance and graceful degradation to ensure continuity of operation?
A.Batch Processing
B.Real time
C.Distributed
D.Time sharing
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28.Pool based allocation of memory achieves better usage. Memory can be preempted from inactive programs and used to accommodate active programs. This is called
A.Preemption
B.Swapping
C.Spooling
D.Scheduling
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29.Which of these is an example of a virtual resource?
A.Print server
B.Virtual machine
C.Virtual memory
D.All of the above
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30.Which concept explains the working of an Operating System?
A.It is event driven
B.It is object oriented
C.It is procedure based system software
D.It is a collection of procedures that interact with each other
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Author Does Not claim of any answer these answers are as per expert opinion


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