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Which of the following situations best illustrates the Hold and Wait condition that can cause deadlock?

easy💻 Programming Q2 of Q15
Operating Systems - Deadlock - Four Necessary Conditions (Coffman)
Which of the following situations best illustrates the Hold and Wait condition that can cause deadlock?
AA process holds one resource and waits to acquire another resource
BA process requests all required resources at once before execution
CA process releases all resources before requesting new ones
DMultiple processes share a resource simultaneously
Step-by-Step Solution
Solution:

  1. Step 1: Understand Hold and Wait

    Hold and wait means a process holds at least one resource and waits to acquire additional resources.

  2. Step 2: Analyze options

    A process holds one resource and waits to acquire another resource directly describes this condition.

  3. Final Answer:

    Option A -> Option A

  4. Quick Check:

    Process holding and waiting simultaneously [OK]
Quick Trick: Hold one resource, wait for another [OK]
Common Mistakes:
MISTAKES
  • Confusing hold and wait with requesting all resources at once
  • Assuming releasing resources prevents hold and wait
  • Thinking resource sharing is hold and wait
Trap Explanation:
PITFALL
  • Options about requesting all resources or releasing resources do not illustrate hold and wait.
Interviewer Note:
CONTEXT
  • Tests understanding of the hold and wait condition in deadlock.
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