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Operating system is

  • A collection of hardware components
  • A collection of input output devices
  • A collection of software routines
  • All of above

Answer: Option C

Similar Questions :

1. 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

Answer: Option A

2. 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

3. Root directory of a disk should be placed

  • at the fixed address in the main memory
  • at a fixed location on the disk
  • at the fixed location on system disk
  • anywhere on the disk

Answer: Option B

4. To avoid the race condition, the number of processes that may be simultaneously inside the critical section is

  • 12
  • 3
  • 1
  • 0

Answer: Option C

5. Dijkstra's algorithm deals with

  • mutual exclusion
  • deadlock recovery
  • deadlock avoidance
  • cache coherence

Answer: Option C

Read more from - Operating System Questions Answers - Chapter 1
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