Introduction to Operating Systems Mcqs
This set of Multiple Choice questions & answers are chosen from a collection of most authoritative and best reference books on Physics. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Chemical industry job interviews. One should practice our Mcqs to assimilate knowledge on Operating system comprehensively.
512. A collection of instructions (or operations) that performs a single logical function is called a
Job
Events
Transaction
Schedule
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513. Which one operation signifies that the transaction has terminated its execution
Commit
Abort
Hang
Modify
514. Which one is an example of race condition
Simple Switch
Light Switch
Smart Switch
Enterprise Switch
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515. In deadlock,only one process at a time can use the resource,this condition is called
Single exclusion
Exclusive exclusion
Smart exclusion
Mutual exclusion
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516. The run-time mapping from virtual to physical addresses is done by a hardware device called
Process Management Unit
CPU Management Unit
Memory Management Unit
Event Management Unit
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517. Whenever the CPU scheduler decides to execute a process, it calls the
Dispatcher
Scheduler
Performer
None of the above
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518. The total transfer time is ________ to the amount of memory swapped
Directly proportional
Indirectly proportional
Equal
None of the above
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519. Which one is a memory-management scheme that permits the physical address space of a process to be noncontiguous
Scheduling
Swapping
Paging
Segmentation