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.

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512.
A collection of instructions (or operations) that performs a single logical function is called a

Job

Events

Transaction

Schedule

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

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

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

517.
Whenever the CPU scheduler decides to execute a process, it calls the

Dispatcher

Scheduler

Performer

None of the above

518.
The total transfer time is ________ to the amount of memory swapped

Directly proportional

Indirectly proportional

Equal

None of the above

519.
Which one is a memory-management scheme that permits the physical address space of a process to be noncontiguous

Scheduling

Swapping

Paging

Segmentation

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