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If the CPU scheduling policy is FCFS, then what would be average waiting time ?

  • 10 ms
  • 10.8 ms
  • 12 ms
  • 12.8 ms

Answer: Option D

Similar Questions :

1. UNIX is a single user operating system.

  • True
  • False

Answer: Option B

Explanation:

UNIX is a Multi user operating system.

2. Seek analysis is for ?

  • Paging issues
  • device busy problems
  • control unit busy problems
  • all of above

Answer: Option B

3. Which of following is not an advantage of multiprogramming ?

  • increased throughput
  • shorter response time
  • ability to assign priorities of jobs
  • decreased system overload

Answer: Option D

4. Which scheduling policy is most suitable for time shared operating system ?

  • Shortest job first
  • FCFS
  • LCFS
  • Round robin

Answer: Option D

5. Which of the following is always there in a computer ?

  • Batch system
  • Operating system
  • Time sharing system
  • Controlling system

Answer: Option B

Read more from - Operating System Questions Answers - Set 2
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