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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. 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

2. Which of following is not a condition of Dead Lock ?

  • Mutual Exclusion
  • No Preemption
  • Hold and Wait
  • Data Transfer

Answer: Option D

3. Which one is true

  • The linkage editor is used to edit programs which have to later link together
  • The linkage editor links object module during compiling
  • The linkage editor links objects modules and resolves external references between them before loading
  • none of above

Answer: Option C

4. 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

5. A high paging rate

  • may cause a high I/O rate
  • keeps the system running well
  • is a symptom of too much processor activity
  • always creates a slow system

Answer: Option A

Read more from - Operating System Questions Answers - Chapter 1
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