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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. 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

2. Which is non pre-emptive

  • Round robin
  • FIFO
  • MQS
  • MQSF

Answer: Option B

3. 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

Answer: Option C

4. Which operating system use write through catches

  • UNIX
  • XENIX
  • ULTRIX
  • DOS

Answer: Option D

5. Dynamic allocation of storage areas with VSAM files is accomplished by

  • hashing
  • control splits
  • over flow areas
  • relative recording

Answer: Option B

Read more from - Operating System Questions Answers - Chapter 1
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