1. Consider a system of 9 processes, P = {p1, ..., p9}. Associated with the system are 6 memory cells, M = {M1, ..., M6}. The domain and range for each process is given in the following table: Process pi Domain D(pi) p1 M1, M2 p2 M1 p3 M3, M4 p4 M3, M4 p5 p6 p7 p8 p9 M3 M4 M5 M3, M4 M5, M6 Range R(pi) M3 M5 M1 M5 M4 M4 M5 M2 M6 In addition, you are given the following precedence relation: ➜ = {(P1, P2), (P1,P6), (P2,P3), (P2, P4), (P2,P5),(P3,P6), (P3,P8),(P4,P6), (P4,P7), (P5,P7), (P5,P8), (P6,P8), (P6,P9), (P7,P9), (P8, P9)}

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
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Using the attached document Construct the Precedence Graph (not containing any redundant edges; also modifyè accordingly). Use PowerPoint, diagrams.net, or any other app to draw the graph.
1. Consider a system of 9 processes, P = {p1, ..., p9}.
Associated with the system are 6 memory cells, M = {M1, ..., M6}.
The domain and range for each process is given in the following table:
Process pi
Domain D(pi)
p1
M1, M2
p2
M1
p3
M3, M4
p4
M3, M4
p5
p6
p7
p8
p9
M3
M4
M5
M3, M4
M5, M6
Range R(pi)
M3
M5
M1
M5
M4
M4
M5
M2
M6
In addition, you are given the following precedence relation:
→= {(P1, P2), (P1, P6), (P2, P3), (P2, P4), (P2, P5),(P3, P6), (P3, P8),(P4,P6),
(P4,P7), (P5,P7), (P5,P8), (P6,P8), (P6,P9), (P7,P9), (P8, P9)}
Transcribed Image Text:1. Consider a system of 9 processes, P = {p1, ..., p9}. Associated with the system are 6 memory cells, M = {M1, ..., M6}. The domain and range for each process is given in the following table: Process pi Domain D(pi) p1 M1, M2 p2 M1 p3 M3, M4 p4 M3, M4 p5 p6 p7 p8 p9 M3 M4 M5 M3, M4 M5, M6 Range R(pi) M3 M5 M1 M5 M4 M4 M5 M2 M6 In addition, you are given the following precedence relation: →= {(P1, P2), (P1, P6), (P2, P3), (P2, P4), (P2, P5),(P3, P6), (P3, P8),(P4,P6), (P4,P7), (P5,P7), (P5,P8), (P6,P8), (P6,P9), (P7,P9), (P8, P9)}
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