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 medium-term scheduler ?
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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
Q-3.A set of processes is deadlock if
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Question 4 of 30
Q-4.When the process issues an I/O request :
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Question 5 of 30
Q-5.Semaphore is a/an _______ to solve the critical section problem.
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Question 6 of 30
Q-6.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 7 of 30
Q-7.The ______ register is written by the host to send output.
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Question 8 of 30
Q-8.Which of the following
concept is best to preventing page faults?
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Question 9 of 30
Q-9.All of the following are TRUE regarding virtual memory EXCEPT
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Question 10 of 30
Q-10.Which one of the following is the deadlock avoidance algorithm?
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Question 11 of 30
Q-11.A program in execution is called
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Question 12 of 30
Q-12.The pager concerns with the
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Question 13 of 30
Q-13.The hardware mechanism that allows a device to notify the CPU is called _______.
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Question 14 of 30
Q-14.Which of the following does not interrupt a running process ?
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Question 15 of 30
Q-15.Which of the following is
the allocation method of a
disk space?
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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.What is the reusable resource?
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Question 18 of 30
Q-18.Which one of the following is the address generated by CPU?
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Question 19 of 30
Q-19.An un-interruptible unit is known as :
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Question 20 of 30
Q-20.When a computer is first turned on or restarted, a special type of absolute
loader called ____ is executed
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Question 21 of 30
Q-21.Mapping of file is managed by
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Question 22 of 30
Q-22.What hole will allocates in “Worst-Fit” algorithm of memory management?
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Question 23 of 30
Q-23.What are the requirements for the solution to critical section problem?
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Question 24 of 30
Q-24.Multiprogramming systems:
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Question 25 of 30
Q-25.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 26 of 30
Q-26.What do you mean by Memory Compaction?
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Question 27 of 30
Q-27.A semaphore is a shared integer variable
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Question 28 of 30
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Question 29 of 30
Q-29.An I/O port typically consists of four registers status, control, ________ and ________registers.
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Question 30 of 30
Q-30.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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