Operating System Questions Answers - Chapter 1

• 36. Which of the following does not interrupt an running process

  1. A device
  2. Timer
  3. Schedular Process
  4. Power failure

  Answer And Explanation

  Answer: Option C

  Explanation:

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

  1. 12
  2. 3
  3. 1
  4. 0

  Answer And Explanation

  Answer: Option C

  Explanation:

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• 38. Dynamic allocation of storage areas with VSAM files is accomplished by

  1. hashing
  2. control splits
  3. over flow areas
  4. relative recording

  Answer And Explanation

  Answer: Option B

  Explanation:

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• 39. Poor response times are caused by

  1. Busy processor
  2. High I/O rate
  3. High paging rates
  4. Any of above

  Answer And Explanation

  Answer: Option D

  Explanation:

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

  1. mutual exclusion
  2. race condition
  3. buffer overflow
  4. None of above

  Answer And Explanation

  Answer: Option A

  Explanation:

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• 41. Remote computing services involves the use of timesharing and

  1. multiprocessing
  2. interactive processing
  3. batch processing
  4. real time processing

  Answer And Explanation

  Answer: Option C

  Explanation:

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• 42. Dijkstra's algorithm deals with

  1. mutual exclusion
  2. deadlock recovery
  3. deadlock avoidance
  4. cache coherence

  Answer And Explanation

  Answer: Option C

  Explanation:

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