Operating Systems - Banker's Algorithm - Safe State & Resource Allocation
In a scenario where the Banker's Algorithm denies a resource request, which verbal reasoning best explains why the request was rejected?
In a scenario where the Banker's Algorithm denies a resource request, which verbal reasoning best explains why the request was rejected?
medium🧠🧾 Concept Trace Q4 of Q15
Step-by-Step Solution
Solution:
Step 1: Recall Banker's Algorithm rejection criteria
The algorithm rejects requests that would lead to an unsafe state, risking deadlock.Step 2: Evaluate options
Granting the request would cause the system to enter an unsafe state where deadlock could occur correctly states this. The request exceeds the process's declared maximum resource claim is a valid rejection reason but less common in this context. The system currently has no available resources, regardless of safe state considerations ignores safe state checks and may be overly simplistic. The process has not released any previously allocated resources is irrelevant; holding resources does not cause rejection.Final Answer:
Option D -> Option DQuick Check:
Unsafe state leads to request denial [OK]
Quick Trick: Requests denied only if unsafe state results [OK]
Common Mistakes:
MISTAKES- Confusing max claim violation with unsafe state rejection
- Assuming no available resources always causes rejection
- Thinking process resource holding affects request denial
Trap Explanation:
PITFALL- Candidates often mistake the primary rejection reason as resource availability or max claim violation rather than unsafe state.
Interviewer Note:
CONTEXT- Assesses understanding of rejection rationale in Banker's Algorithm.
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