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 hole will allocates in “Worst-Fit” algorithm of memory management?
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Question 2 of 30
Q-2.Which of the following memory unit that processor can access more rapidly
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Question 3 of 30
Q-3.When the process issues an I/O request :
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Question 4 of 30
Q-4.When a computer is first turned on or restarted, a special type of absolute
loader called ____ is executed
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Question 5 of 30
Q-5.Bringing a page into memory only when it is needed,this mechanism is called
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Question 6 of 30
Q-6.What is the ready state of a process?
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Question 7 of 30
Q-7.Which process can affect of be affected by other processes executing in the system?
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Question 8 of 30
Q-8.The address of the next instruction to be executed by the current process is provided by the
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Question 9 of 30
Q-9.What is operating system?
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Question 10 of 30
Q-10.Which system call returns the process identifier of a terminated child?
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Question 11 of 30
Q-11.A process stack does not contain
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Question 12 of 30
Q-12.What is the method of handling deadlocks?
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Question 13 of 30
Q-13.A semaphore is a shared integer variable
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Question 14 of 30
Q-14.Which one of the following error will be handle by the operating system?
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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.An un-interruptible unit is known as :
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Question 17 of 30
Q-17._____ 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 18 of 30
Q-18.The primary distinction between the short term scheduler and the long term scheduler is :
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Question 19 of 30
Q-19.By using the specific system call, we can
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Question 20 of 30
Q-20.Copying a process from memory to disk to allow space for other processes
is Called
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Question 21 of 30
Q-21.What are the two types of
Semaphore?
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Question 22 of 30
Q-22.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 23 of 30
Q-23.The hardware mechanism that allows a device to notify the CPU is called _______.
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Question 24 of 30
Q-24.A ________ is a collection of electronics that can operate a port, a bus, or a device.
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Question 25 of 30
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Question 26 of 30
Q-26.The ______ register is read by the host to get input.
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Question 27 of 30
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Question 28 of 30
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Question 29 of 30
Q-29.Semaphore is a/an _______ to solve the critical section problem.
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Question 30 of 30
Q-30.Which one of the following is a synchronization tool?
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