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.______ is a unique tag, usually a number, identifies the file within the file system.
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Question 2 of 30
Q-2.To access the services of operating system, the interface is provided by the
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Question 3 of 30
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Question 4 of 30
Q-4.What is a long-term scheduler ?
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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.Run time mapping from virtual to physical address is done by
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Question 7 of 30
Q-7.An I/O port typically consists of four registers status, control, ________ and ________registers.
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Question 8 of 30
Q-8.Which of the following is the system tool?
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Question 9 of 30
Q-9.What is interprocess communication?
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Question 10 of 30
Q-10.In a multi-programming environment :
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Question 11 of 30
Q-11.Because of virtual memory, the memory can be shared among
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Question 12 of 30
Q-12.What is the ready state of a process?
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Question 13 of 30
Q-13.Tree structure displays the
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Question 14 of 30
Q-14.What do you mean by Memory Compaction?
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Question 15 of 30
Q-15.Process synchronization can be done on
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Question 16 of 30
Q-16.What is a medium-term scheduler ?
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Question 17 of 30
Q-17.Mapping of file is managed by
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Question 18 of 30
Q-18.The address of the next instruction to be executed by the current process is provided by the
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Question 19 of 30
Q-19.Several processes access and manipulate the same data concurrently and the outcome of the
execution depends on the particular order in which the access takes place, is called a(n) ____.
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Question 20 of 30
Q-20.A program in execution is called
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Question 21 of 30
Q-21.Which system call returns the process identifier of a terminated child?
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Question 22 of 30
Q-22.file system fragmentation occurs when
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Question 23 of 30
Q-23.By using the specific system call, we can
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Question 24 of 30
Q-24.In which type of the following OS, the response time is very crucial.
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Question 25 of 30
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Question 26 of 30
Q-26.The main function of the command interpreter is
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Question 27 of 30
Q-27.Which of the following memory unit that processor can access more rapidly
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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.Which of the following state transitions is not possible ?
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Question 30 of 30
Q-30.When the process issues an I/O request :
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