Question Detail

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 of the following memory allocation scheme is subject to external fragmentation ?

  • Segmentation
  • Swapping
  • Demand Paging
  • Multiple Contiguous Fixed Partitions

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

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

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

  • 1981
  • 1982
  • 1983
  • 1984

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

  • Shortest job first
  • FCFS
  • LCFS
  • Round robin
Read more from - Operating System Questions Answers - Set 2