With each visit of this Operating System online Quiz / Practice Test, the list of MCQs / Objective Questions presented will be different, offering you a diverse set of practice opportunities. This variability encourages you to practice extensively, refining the accuracy of your answers and your overall grasp of the content. By utilizing this resource, you can hone your skills and become more adept at managing time constraints during actual exams.
Test Instructions Question type Randomized MCQs.Changes every time you visit the test Total Number of Questions 30 Time Limit 20 Minutes Points 1 Point for each Question
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Question 1 of 30
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Question 2 of 30
Q-2.Which of the following does not interrupt a running process ?
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Question 3 of 30
Q-3.Which of the following condition is required for deadlock to be possible?
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Question 4 of 30
Q-4.A process can be terminated due to
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Question 5 of 30
Q-5.Suppose that a process is in “Blocked” state waiting for some I/O service. When the service
is completed, it goes to the :
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Question 6 of 30
Q-6.When the process issues an I/O request :
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Question 7 of 30
Q-7.What is operating system?
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Question 8 of 30
Q-8.The ______ register is written by the host to send output.
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Question 9 of 30
Q-9.An un-interruptible unit is known as :
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Question 10 of 30
Q-10.An I/O port typically consists of four registers status, control, ________ and ________registers.
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Question 11 of 30
Q-11.In a multi-programming environment :
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Question 12 of 30
Q-12.File type can be represented by
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Question 13 of 30
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Question 14 of 30
Q-14.Swap space exists in
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Question 15 of 30
Q-15.In FIFO page replacement algorithm, when a page must be replaced
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Question 16 of 30
Q-16.What is a short-term scheduler ?
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Question 17 of 30
Q-17.A memory buffer used to accommodate a speed differential is called
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Question 18 of 30
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Question 19 of 30
Q-19._____ is the concept in which a process is copied into main memory from the secondary
memory according to the requirement.
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Question 20 of 30
Q-20.What is a medium-term scheduler ?
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Question 21 of 30
Q-21.Which of the following is
the allocation method of a
disk space?
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Question 22 of 30
Q-22.The primary distinction between the short term scheduler and the long term scheduler is :
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Question 23 of 30
Q-23.Tree structure displays the
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Question 24 of 30
Q-24.file system fragmentation occurs when
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Question 25 of 30
Q-25.All of the following are TRUE regarding virtual memory EXCEPT
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Question 26 of 30
Q-26.What is a long-term scheduler ?
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Question 27 of 30
Q-27.Operating System maintains the page table for
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Question 28 of 30
Q-28.Which of the following
concept is best to preventing page faults?
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Question 29 of 30
Q-29.What are the requirements for the solution to critical section problem?
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Question 30 of 30
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