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.What do you mean by Memory Compaction?
Your Answer:Correct
Your Answer:Incorrect
Question 2 of 30
Q-2.If one or more devices use a common set of wires to communicate with the computer system,the connection is called ______.
Your Answer:Correct
Your Answer:Incorrect
Question 3 of 30
Q-3.Which of the following does not interrupt a running process ?
Your Answer:Correct
Your Answer:Incorrect
Question 4 of 30
Q-4._____ is the concept in which a process is copied into main memory from the secondary
memory according to the requirement.
Your Answer:Correct
Your Answer:Incorrect
Question 5 of 30
Q-5.A page fault occurs when
Your Answer:Correct
Your Answer:Incorrect
Question 6 of 30
Q-6.Run time mapping from virtual to physical address is done by
Your Answer:Correct
Your Answer:Incorrect
Question 7 of 30
Q-7.Virtual memory typically
located on
Your Answer:Correct
Your Answer:Incorrect
Question 8 of 30
Q-8.Which system call returns the process identifier of a terminated child?
Your Answer:Correct
Your Answer:Incorrect
Question 9 of 30
Q-9.Copying a process from memory to disk to allow space for other processes
is Called
Your Answer:Correct
Your Answer:Incorrect
Question 10 of 30
Q-10.Because of virtual memory, the memory can be shared among
Your Answer:Correct
Your Answer:Incorrect
Question 11 of 30
Q-11.Process synchronization can be done on
Your Answer:Correct
Your Answer:Incorrect
Question 12 of 30
Q-12.Which of the following memory unit that processor can access more rapidly
Your Answer:Correct
Your Answer:Incorrect
Question 13 of 30
Q-13.CPU fetches the instruction from memory according to the value of
Your Answer:Correct
Your Answer:Incorrect
Question 14 of 30
Q-14.What is operating system?
Your Answer:Correct
Your Answer:Incorrect
Question 15 of 30
Q-15.Operating System maintains the page table for
Your Answer:Correct
Your Answer:Incorrect
Question 16 of 30
Q-16.What is the ready state of a process?
Your Answer:Correct
Your Answer:Incorrect
Question 17 of 30
Q-17.Mapping of file is managed by
Your Answer:Correct
Your Answer:Incorrect
Question 18 of 30
Q-18.What is a medium-term scheduler ?
Your Answer:Correct
Your Answer:Incorrect
Question 19 of 30
Your Answer:Correct
Your Answer:Incorrect
Question 20 of 30
Q-20.Program always deals with
Your Answer:Correct
Your Answer:Incorrect
Question 21 of 30
Q-21.In which type of the following OS, the response time is very crucial.
Your Answer:Correct
Your Answer:Incorrect
Question 22 of 30
Q-22.If a process fails, most operating system write the error information to a
Your Answer:Correct
Your Answer:Incorrect
Question 23 of 30
Q-23.Symptoms of swap-file problems include extremely slow system speed and a disk that is constantly being accessed, which is referred to as ______________.
Your Answer:Correct
Your Answer:Incorrect
Question 24 of 30
Your Answer:Correct
Your Answer:Incorrect
Question 25 of 30
Q-25.Semaphore is a/an _______ to solve the critical section problem.
Your Answer:Correct
Your Answer:Incorrect
Question 26 of 30
Q-26.The address of the next instruction to be executed by the current process is provided by the
Your Answer:Correct
Your Answer:Incorrect
Question 27 of 30
Q-27.Which process can affect of be affected by other processes executing in the system?
Your Answer:Correct
Your Answer:Incorrect
Question 28 of 30
Q-28.Poor response time are
usually caused by
Your Answer:Correct
Your Answer:Incorrect
Question 29 of 30
Q-29.Which of the following condition is required for deadlock to be possible?
Your Answer:Correct
Your Answer:Incorrect
Question 30 of 30
Q-30.What is the reusable resource?
Your Answer:Correct
Your Answer:Incorrect