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

  • CPU
  • ALU
  • CU
  • Processor

Answer: Option D

Similar Questions :

1. Which among following scheduling algorithms give minimum average waiting time

  • FCFS
  • SJF
  • Round robin
  • On priority

Answer: Option B

2. Size of virtual memory depends on

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

Answer: Option B

3. 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

4. Disk scheduling includes deciding

  • which should be accessed next
  • order in which disk access requests must be serviced
  • the physical location of the file
  • the logical location of the file

Answer: Option B

5. 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

Read more from - Operating System Questions Answers - Chapter 1