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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
Similar Questions :

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

  • Shortest job first
  • FCFS
  • LCFS
  • Round robin

2. What is the maximum number of processes that may enter simultaneously inside the critical section to avoid race condition ?

  • One
  • Two
  • Three
  • Four

3. 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

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

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

5. Belady anomaly occurs in ?

  • LIFO
  • FIFO
  • LRU
  • NRU
Read more from - Operating System Questions Answers - Set 2
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