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
Q-1.What is a long-term scheduler ?
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Question 2 of 30
Q-2.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 3 of 30
Q-3.If one or more devices use a common set of wires to communicate with the computer system,the connection is called ______.
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Question 4 of 30
Q-4.Which of the following memory unit that processor can access more rapidly
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Question 5 of 30
Q-5.Which of the following is
the allocation method of a
disk space?
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Question 6 of 30
Q-6.What is a short-term scheduler ?
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Question 7 of 30
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Question 8 of 30
Q-8.When the process issues an I/O request :
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Question 9 of 30
Q-9.CPU fetches the instruction from memory according to the value of
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Question 10 of 30
Q-10.Poor response time are
usually caused by
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Question 11 of 30
Q-11.What is interprocess communication?
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Question 12 of 30
Q-12.What is operating system?
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Question 13 of 30
Q-13.Which of the following is the system tool?
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Question 14 of 30
Q-14._____ 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 15 of 30
Q-15.What are the two types of
Semaphore?
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Question 16 of 30
Q-16.File type can be represented by
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Question 17 of 30
Q-17.Copying a process from memory to disk to allow space for other processes
is Called
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Question 18 of 30
Q-18.Program always deals with
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Question 19 of 30
Q-19.Run time mapping from virtual to physical address is done by
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Question 20 of 30
Q-20.Tree structure displays the
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Question 21 of 30
Q-21.Which one of the following is the deadlock avoidance algorithm?
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Question 22 of 30
Q-22.Swap space exists in
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Question 23 of 30
Q-23.A page fault occurs when
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Question 24 of 30
Q-24.What is the reusable resource?
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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
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Question 27 of 30
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Question 28 of 30
Q-28.The ______ register is written by the host to send output.
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Question 29 of 30
Q-29.What does Belady’s Anomaly related to?
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Question 30 of 30
Q-30.What do you mean by Memory Compaction?
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