Embedded Real Time Operating System MCQs with answers Page - 13

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A

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Q. Effective release time of a job with predecessors is equal to the maximum value among, its…………and…………..

  • (A) deadline time and effective release time of all of the predecessors.
  • (B) release time and effective release time of all of the predecessors.
  • (C) both
  • (D) None of these

A

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Q. Effective deadline of job without the successor is equal to its given ……………

  • (A) release time
  • (B) Deadline
  • (C) both
  • (D) None of these

A

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Q. Effective deadline of job with successor is equal tothe minimum value among its deadlines and …………………………

  • (A) only deadline of job
  • (B) Release time of all the successors
  • (C) deadlines of all the successors
  • (D) None of these

A

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Q. LRT schedules all the job backward from …………………... of all the job in priority driven manner to the current time.

  • (A) Earliest deadline
  • (B) latest deadline
  • (C) latest releasetime
  • (D) None of these

A

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Q. In on-line scheduling, scheduler make the schedule ……………………... that will be released in future.

  • (A) with the knowledge of the jobs
  • (B) without the knowledge of the jobs
  • (C) both
  • (D) None of these

A

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Q. In which scheduling certain amount of CPU time is allocated to each process ?

  • (A) earliest deadline first scheduling
  • (B) roportional share scheduling
  • (C) equal share scheduling
  • (D) none of the mentioned

A

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Q. Scheduling of tasks is a very important consideration in RTOS. Which of the following best described the scheduling policy design:

  • (A) The scheduler must follow a pre-emptive policy
  • (B) The scheduler must not use pre-emptive policy option
  • (C) The scheduler must not only use pre-emptive policy options with the priority considerations.
  • (D) The scheduler must not use pre-emptive policy option, but must employ priority consideration.

A

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Q. Which types of an embedded systems involve the coding at a simple level in an embedded 'C', without any necessity of RTOS?

  • (A) sophisticated embedded systems
  • (B) medium scale embedded systems
  • (C) small scale embedded systems
  • (D) all of the above

A

Admin • 802.91K Points
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Q. Which characteristics of an embedded system exhibit the responsiveness to the assortments or variations in system's environment by computing specific results for real-time applications without any kind of postponement ?

  • (A) single-functioned characteristic
  • (B) tightly-constraint characteristics
  • (C) reactive & real time characteristics
  • (D) all of the above

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