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Shortest Job First executes first the job

  • with the least processor needs
  • that first entered the queue
  • that has been in the queue for the longest
  • that last entered the queue
Similar Questions :

1. Memory protection is normally done by

  • the processor and the associated hardware
  • the operating system
  • the compiler
  • the user program

2. Semaphores function is to

  • synchronize critical resources to prevent deadlock
  • synchronize processes for better CPU utilization
  • used for memory management
  • none of above

3. Macintosh computer uses

  • System 7.0
  • AU/X
  • Xenix
  • none of above

4. The part of machine level instruction, which tells the central processor what has to be done, is

  • Operation code
  • Address
  • Locator
  • Flip-Flop

5. The LRU algorithm

  • pages out pages that have been used recently
  • pages out pages that have not been used recently
  • pages out pages that have been least used recently
  • pages out the first page in a given area
Read more from - Operating System Questions Answers - Chapter 1
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