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Belady anomaly occurs in ?

  • LIFO
  • FIFO
  • LRU
  • NRU

Answer: Option B

Similar Questions :

1. File record length

  • Should be chosen to match the data characteristics
  • should be fixed
  • should be variable
  • vary system to system

Answer: Option A

2. What are global locks ?

  • they synchronize access to local resources
  • they synchronize access to global resources
  • they synchronize access to local and global resources
  • none of above

Answer: Option B

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. Which type of software can be used to merge data of two files in one file ?

  • System software
  • Networking software
  • Documenting software
  • Utility Software

Answer: Option D

5. What is a page fault ?

  • is an spelling error in a page in memory
  • is a reference to a page which is in another program
  • is an access to a page not currently in memory
  • always occurs whenever a page is accessed

Answer: Option C

Read more from - Operating System Questions Answers - Set 2