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
Remaining Time: 0 MINUTES
0 of 30 questions completed
Questions:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Information
You have already completed the test before. Hence you can not start it again.
0 of 30 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0 )
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Question 1 of 30
Q-1.Operating System maintains the page table for
Your Answer:Correct
Your Answer:Incorrect
Question 2 of 30
Q-2.What is a medium-term scheduler ?
Your Answer:Correct
Your Answer:Incorrect
Question 3 of 30
Q-3.A semaphore is a shared integer variable
Your Answer:Correct
Your Answer:Incorrect
Question 4 of 30
Q-4.What is operating system?
Your Answer:Correct
Your Answer:Incorrect
Question 5 of 30
Q-5.What is the reusable resource?
Your Answer:Correct
Your Answer:Incorrect
Question 6 of 30
Q-6.By operating system, the resource management can be done via
Your Answer:Correct
Your Answer:Incorrect
Question 7 of 30
Q-7.file system fragmentation occurs when
Your Answer:Correct
Your Answer:Incorrect
Question 8 of 30
Q-8.The ______ register is read by the host to get input.
Your Answer:Correct
Your Answer:Incorrect
Question 9 of 30
Your Answer:Correct
Your Answer:Incorrect
Question 10 of 30
Q-10.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) ____.
Your Answer:Correct
Your Answer:Incorrect
Question 11 of 30
Q-11.CPU fetches the instruction from memory according to the value of
Your Answer:Correct
Your Answer:Incorrect
Question 12 of 30
Q-12.Copying a process from memory to disk to allow space for other processes
is Called
Your Answer:Correct
Your Answer:Incorrect
Question 13 of 30
Q-13.The ______ register is written by the host to send output.
Your Answer:Correct
Your Answer:Incorrect
Question 14 of 30
Q-14.The Banker’s algorithm is used
Your Answer:Correct
Your Answer:Incorrect
Question 15 of 30
Your Answer:Correct
Your Answer:Incorrect
Question 16 of 30
Q-16.Mapping of file is managed by
Your Answer:Correct
Your Answer:Incorrect
Question 17 of 30
Q-17.A process can be terminated due to
Your Answer:Correct
Your Answer:Incorrect
Question 18 of 30
Your Answer:Correct
Your Answer:Incorrect
Question 19 of 30
Q-19.The systems which allows only one process execution at a time, are called
Your Answer:Correct
Your Answer:Incorrect
Question 20 of 30
Q-20.A set of processes is deadlock if
Your Answer:Correct
Your Answer:Incorrect
Question 21 of 30
Q-21.For effective operating system, when to check for deadlock?
Your Answer:Correct
Your Answer:Incorrect
Question 22 of 30
Q-22.Which one of the following is the address generated by CPU?
Your Answer:Correct
Your Answer:Incorrect
Question 23 of 30
Q-23.A ________ is a collection of electronics that can operate a port, a bus, or a device.
Your Answer:Correct
Your Answer:Incorrect
Question 24 of 30
Q-24.When the process issues an I/O request :
Your Answer:Correct
Your Answer:Incorrect
Question 25 of 30
Q-25.What is the method of handling deadlocks?
Your Answer:Correct
Your Answer:Incorrect
Question 26 of 30
Q-26.The pager concerns with the
Your Answer:Correct
Your Answer:Incorrect
Question 27 of 30
Q-27.Which of the following memory unit that processor can access more rapidly
Your Answer:Correct
Your Answer:Incorrect
Question 28 of 30
Q-28.A memory buffer used to accommodate a speed differential is called
Your Answer:Correct
Your Answer:Incorrect
Question 29 of 30
Q-29.Which process can affect of be affected by other processes executing in the system?
Your Answer:Correct
Your Answer:Incorrect
Question 30 of 30
Q-30.Which of the following state transitions is not possible ?
Your Answer:Correct
Your Answer:Incorrect