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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

Answer: Option A

Similar Questions :

1. Dirty bit is used to show

  • Page with corrupted data
  • Wrong page in memory
  • Page that is modified after being loaded in the cache memory
  • page that is less frequently accessed

Answer: Option C

2. If the property of locality of reference is well pronounced in a program

  • the number of page faults will be more
  • the number of page faults will be less
  • the number of page faults will same
  • none of above

Answer: Option B

3. Belady anamoly occurs in

  • Optimal replacement
  • FIFO
  • LRU
  • both in FIFO and LRU

Answer: Option B

4. A series of statements explaining how the data is to be processed is called

  • instruction
  • compiler
  • program
  • interpretor

Answer: Option C

5. Dispatcher function is to

  • put tasks in I/O wait
  • schedule tasks in processor
  • change task priorities
  • All of above

Answer: Option A

Read more from - Operating System Questions Answers - Chapter 1
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