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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. 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

3. Semaphores function is to

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

Answer: Option A

4. A hardware device which is capable of executing a sequence of instructions, is known as

  • CPU
  • ALU
  • CU
  • Processor

Answer: Option D

5. What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user's productivity?

  • Defined values
  • Fixed values
  • Default values
  • None of the above

Answer: Option C

Read more from - Operating System Questions Answers - Chapter 1
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