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.In FIFO page replacement algorithm, when a page must be replaced
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Question 3 of 30
Q-3.Which system call returns the process identifier of a terminated child?
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Question 4 of 30
Q-4.______ is a unique tag, usually a number, identifies the file within the file system.
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Question 5 of 30
Q-5.What is a long-term scheduler ?
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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.A monitor is a module that encapsulates
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Question 8 of 30
Q-8.Which process can affect of be affected by other processes executing in the system?
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Question 9 of 30
Q-9.What hole will allocates in “Worst-Fit” algorithm of memory management?
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Question 10 of 30
Q-10.A memory buffer used to accommodate a speed differential is called
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Question 11 of 30
Q-11.The systems which allows only one process execution at a time, are called
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Question 12 of 30
Q-12.In which type of the following OS, the response time is very crucial.
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Question 13 of 30
Q-13.By operating system, the resource management can be done via
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Question 14 of 30
Q-14.An I/O port typically consists of four registers status, control, ________ and ________registers.
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Question 15 of 30
Q-15.A process stack does not contain
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Question 16 of 30
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Question 17 of 30
Q-17.The hardware mechanism that allows a device to notify the CPU is called _______.
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Question 18 of 30
Q-18.Copying a process from memory to disk to allow space for other processes
is Called
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Question 19 of 30
Q-19.A program in execution is called
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Question 20 of 30
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Question 21 of 30
Q-21.file system fragmentation occurs when
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Question 22 of 30
Q-22.Mapping of file is managed by
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Question 23 of 30
Q-23.CPU fetches the instruction from memory according to the value of
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Question 24 of 30
Q-24.In a multi-programming environment :
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Question 25 of 30
Q-25.The ______ register is read by the host to get input.
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Question 26 of 30
Q-26.Which of the following
concept is best to preventing page faults?
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Question 27 of 30
Q-27.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 28 of 30
Q-28.What are the requirements for the solution to critical section problem?
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Question 29 of 30
Q-29.What are the two types of
Semaphore?
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Question 30 of 30
Q-30.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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