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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

Similar Questions :

1. Size of virtual memory depends on

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

Answer: Option B

2. Macintosh computer uses

  • System 7.0
  • AU/X
  • Xenix
  • none of above

Answer: Option B

3. Dirty bit is used to show

  • Page with corrupted data
  • Wrong page in memory
  • Page that is modified after being loaded in the cache memory
  • page that is less frequently accessed

Answer: Option C

4. 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

5. 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

Read more from - Operating System Questions Answers - Chapter 1
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