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1. |
Consider the following snapshot of a system running n concurrent processes. Process i is holding Xi instances of a resource R, 1 ≤ i ≤ n. Assume that all instances of R are currently in use. Further, for all i, process i can place a request for at most Yi additional instances of R while holding the Xi instances it already has. Of the n processes, there are exactly two processes p and q such that Yp = Yq = 0. Which one of the following conditions guarantees that no other process apart from p and q can complete execution? |
A. | Xp + Xq < Min {Yk | 1 ≤ k ≤ n , k ≠ p, k ≠ q} |
B. | Xp + Xq < Max {Yk | 1 ≤ k ≤ n , k ≠ p, k ≠ q} |
C. | Min (Xp ,Xq) ≥ Min {Yk | 1 ≤ k ≤ n , k ≠ p, k ≠ q} |
D. | Min (Xp, Xq) ≤ Max {Yk | 1 ≤ k ≤ n , k ≠ p, k ≠ q} |
Answer» B. Xp + Xq < Max {Yk | 1 ≤ k ≤ n , k ≠ p, k ≠ q} | |