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 dispatch latency?
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Question 2 of 30
Q-2.In a time-sharing operating system, when the time slot given to a process is completed, the
process goes from the running state to the :
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Question 3 of 30
Q-3.The pager concerns with the
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Question 4 of 30
Q-4.The hardware mechanism that allows a device to notify the CPU is called _______.
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Question 5 of 30
Q-5.What is contained in the
page table?
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Question 6 of 30
Q-6.Program always deals with
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Question 7 of 30
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Question 8 of 30
Q-8.Mapping of file is managed by
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Question 9 of 30
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Question 10 of 30
Q-10._____ 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 11 of 30
Q-11.A page fault occurs when
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Question 12 of 30
Q-12.Which of the following is
the allocation method of a
disk space?
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Question 13 of 30
Q-13.Which of the following
concept is best to preventing page faults?
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Question 14 of 30
Q-14.CPU fetches the instruction from memory according to the value of
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Question 15 of 30
Q-15.A memory buffer used to accommodate a speed differential is called
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Question 16 of 30
Q-16.The ______ register is written by the host to send output.
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Question 17 of 30
Q-17.In operating system, each process has its own
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Question 18 of 30
Q-18.Because of virtual memory, the memory can be shared among
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Question 19 of 30
Q-19.When the process issues an I/O request :
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Question 20 of 30
Q-20.Memory management technique in which system stores and retrieves data from secondary
storage for use in main memory is called
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Question 21 of 30
Q-21.The address of the next instruction to be executed by the current process is provided by the
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Question 22 of 30
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Question 23 of 30
Q-23.An un-interruptible unit is known as :
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Question 24 of 30
Q-24.Which one of the following error will be handle by the operating system?
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Question 25 of 30
Q-25.Process synchronization can be done on
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Question 26 of 30
Q-26.To access the services of operating system, the interface is provided by the
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Question 27 of 30
Q-27.If a process is executing in its critical section, then no other processes can be executing in
their critical section. This condition is called
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Question 28 of 30
Q-28.When a computer is first turned on or restarted, a special type of absolute
loader called ____ is executed
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Question 29 of 30
Q-29.______ is a unique tag, usually a number, identifies the file within the file system.
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Question 30 of 30
Q-30.Which of the following state transitions is not possible ?
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