Operating Systems - Old Questions
Question Answer Details
3. What is a Resource Allocation Graph (RAG)? What are the necessary conditions for deadlock? Explain. Determine if the system is safe from deadlock or not using Banker's Algorithm for the given condition.
| Process | A | B | C |
|---|---|---|---|
| P1 | 11 | 6 | 4 |
| P2 | 3 | 4 | 1 |
| P3 | 8 | 2 | 3 |
| P4 | 3 | 2 | 4 |
| P5 | 5 | 2 | 3 |
| Process | A | B | C |
|---|---|---|---|
| P1 | 3 | 1 | 1 |
| P2 | 3 | 1 | 0 |
| P3 | 4 | 1 | 1 |
| P4 | 1 | 0 | 1 |
| P5 | 2 | 0 | 1 |
| A | B | C |
|---|---|---|
| 17 | 8 | 10 |
[Note: Consider process sequence as: P1, P2, P3, P4, P5] [1+4+5]
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