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Question Detail

Belady anomaly occurs in ?

  • LIFO
  • FIFO
  • LRU
  • NRU

Answer: Option B

Similar Questions :

1. 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

2. 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

3. Disk scheduling involves deciding ?

  • which disk should be accessed next
  • the order in which disk access request should be made
  • physical location of files
  • type of disks a system should have

Answer: Option B

4. When did IBM released the first version of its disk operating system DOS version 1.0 ?

  • 1981
  • 1982
  • 1983
  • 1984

Answer: Option A

5. UNIX is a single user operating system.

  • True
  • False

Answer: Option B

Explanation:

UNIX is a Multi user operating system.

Read more from - Operating System Questions Answers - Set 2
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