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Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Just explain whole questions in one lines per part

Transcribed Image Text:Consider the resource allocation graph shown in Figure 1:
p1
P2
P3
R4
P4
P5
Figure 1 Processes and resources allocation graph
a) Assume all processes makes no further requests. Is the current system state is deadlocked or not?
Explain?
b) If P5 requests one unit of R2 Is the resulting system state is deadlocked or not? Explain
c) If P3 requests one more unit of R1 and P2 requests one unit of R4, Is the resulting system state is
deadlocked or not? Explain
d) Assumes that p2 holds one unit resource of R4, is the resulting system state is deadlocked or not?
Explain
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