28th
Jul
Real Time Operating System MCQ

Real Time Operating System MCQ

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  • 28th Jul, 2021
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Following are mostly asked Real time operating system MCQ test that are designed for professionals like you to crack you interviews. You can take this Real time operating system online test before appearing to you real interview. This Real time operating system quiz there are around 30+ multiple choice questions on Real time operating system with four options.

1) In a real time operating system _______

  • A. kernel is not required
  • B. process scheduling can be done only once
  • C. a task must be serviced by its deadline period
  • D. all processes have the same priority

2) Which one of the following is a real time operating system?

  • A. RTLinux
  • B. VxWorks
  • C. Windows CE
  • D. All of the Above

3) VxWorks is centered around _______

  • A. unix kernel
  • B. linux kernel
  • C. wind microkernel
  • D. None Of Above

4) For real time operating systems, interrupt latency should be ________

  • A. zero
  • B. minimal
  • C. maximum
  • D. dependent on the scheduling

5) Monotonic scheduling are _______

  • A. shorter duration job has higher priority
  • B. longer duration job has higher priority
  • C. priority does not depend on the duration of the job
  • D. All of the Above

6) In Real Time OS, the response time is very critical.

  • A. True
  • B. False

7) Hard Real time operating sytems has _____

  • A. Less
  • B. More
  • C. Equal
  • D. None Of Above

8) What is the priority of a real time task?

  • A. may degrade over time
  • B. must degrade over time
  • C. must not degrade over time
  • D. None Of Above

9) Real time systems must have ______

  • A. preemptive kernels
  • B. non preemptive kernels
  • C. preemptive kernels or non preemptive kerne
  • D. neither preemptive nor non preemptive kernels

10) RM Schedulable upper bound for a system with 4 tasks is Select one:

  • A. 0.56
  • B. 0.66
  • C. 0.76
  • D. 0.86
Read Best: Operating System

11) IRIS Stand for

  • A. Iney Reward with Increased Service
  • B. Increased Raw with Increased Service
  • C. Increased Reward with Increased Service
  • D. None Of Above

12) The priority of a real time task is

  • A. must degrade over time
  • B. may degrade over time
  • C. must not degrade over time
  • D. None Of Above

13) For real time operating systems, interrupt latency should be

  • A. zero
  • B. minimal
  • C. maximum
  • D. dependent on the scheduling

14) What is Real time operating system in short?

  • A. RIOTS
  • B. RTOS
  • C. KOS
  • D. None of the above

15) Which one of the following is not a real time operating system?

  • A. Linux
  • B. Mac OS
  • C. Palm OS
  • D. Windows
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16) What is a Real-Time Operating System Advantages are

  • A. Code Reuse
  • B. Maintainability/Extensibility
  • C. Easier Testing
  • D. All of the Above

17) The disadvantages of realtime operating systems are ______

  • A. Limited Tasks
  • B. Complex Algorithms
  • C. Thread Priority
  • D. All of the Above

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