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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. Memory protection is normally done by

  • the processor and the associated hardware
  • the operating system
  • the compiler
  • the user program

Answer: Option A

2. Belady anamoly occurs in

  • Optimal replacement
  • FIFO
  • LRU
  • both in FIFO and LRU

Answer: Option B

3. Which operating system reacts in the actual time

  • Batch system
  • Quick response system
  • Real time system
  • Time sharing system

Answer: Option C

4. Four necessary conditions for deadlock are non pre-emption, circular wait, hold and wait and

  • mutual exclusion
  • race condition
  • buffer overflow
  • None of above

Answer: Option A

5. Which is non pre-emptive

  • Round robin
  • FIFO
  • MQS
  • MQSF

Answer: Option B

Read more from - Operating System Questions Answers - Chapter 1
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