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Semaphores function is to

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

2. 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

3. Size of virtual memory depends on

  • size of data bus
  • size of address bus
  • size of main memory
  • none of above

4. Problem of thrashing is affected significantly by

  • program structure
  • program size
  • primary storage size
  • all of above

5. Semaphores function is to

  • synchronize critical resources to prevent deadlock
  • synchronize processes for better CPU utilization
  • used for memory management
  • none of above
Read more from - Operating System Questions Answers - Chapter 1
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