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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

Similar Questions :

1. Which process is known for initializing a microcomputer with its OS

  • cold booting
  • boot recording
  • booting
  • warm booting

Answer: Option C

2. A public key encryption system

  • Allows only the correct sender to decode the data
  • Allows only the correct receiver to decode the data
  • Allows anyone to decode the data
  • none of above

Answer: Option B

3. Poor response times are caused by

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

Answer: Option D

4. Main function of shared memory is:

  • to use primary memory efficently
  • to do intra process communication
  • to do inter process communication
  • none of above

Answer: Option C

5. Semophores are used to solve the problem of

  • race condition
  • process synchronization
  • mutual exclusion
  • belady problem

Answer: Option C

Read more from - Operating System Questions Answers - Chapter 1
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