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Poor response times are caused by

  • Busy processor
  • High I/O rate
  • High paging rates
  • Any of above

Answer: Option D

Similar Questions :

1. Which of following is not a condition of Dead Lock ?

  • Mutual Exclusion
  • No Preemption
  • Hold and Wait
  • Data Transfer

Answer: Option D

2. Dispatcher function is to

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

Answer: Option A

3. Reference bit is used for

  • Implementing LRU page replacement algorithm
  • Implementing NRU algorithm
  • To check the page table entry in the cache memory
  • none of above

Answer: Option B

4. 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

5. Which operating system use write through catches

  • UNIX
  • XENIX
  • ULTRIX
  • DOS

Answer: Option D

Read more from - Operating System Questions Answers - Chapter 1
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