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GO Classes CS Test Series | Operating Systems | Subject Wise Test 3 | Question: 24

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Which of the following is/are True about the Bankers algorithm?

  1. Banker’s algorithm implements the deadlock avoidance strategy. 
  2. If a resource request is not approved and the resource request is still processed, then the system may enter into  deadlock. 
  3. A system always causes deadlock if no safe sequence exists. 
  4. A process having request >= available resources is always granted by Banker’s algorithm.

1 Answer

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  • A  Banker’s algorithm is a deadlock avoidance algorithm.

  • B  If an unsafe request is still granted, the system may enter deadlock.

  • C  No safe sequence ⇒ unsafe state, not guaranteed deadlock.

  • D  Requests are granted only if request ≤ available AND system remains safe (not “always”).

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