V ={Red, Yellow, Green}, where each node represents a color state of a traffic light system. E = {(Red, Yellow), (Yellow, Green), (Green, Red), (Red, Green), (Red, Yellow)}, where the edges represent transitions from one traffic light state to another. (a) Is it a directed graph or undirected graph? (b) Which of the transitions (edges) do not make sense in practice? For example, does a yellow light follow a red light in traffic? (c) Modify the set of edges (E) and show the correct traffic light transitions in a corrected graph.
V ={Red, Yellow, Green}, where each node represents a color state of a traffic light system. E = {(Red, Yellow), (Yellow, Green), (Green, Red), (Red, Green), (Red, Yellow)}, where the edges represent transitions from one traffic light state to another. (a) Is it a directed graph or undirected graph? (b) Which of the transitions (edges) do not make sense in practice? For example, does a yellow light follow a red light in traffic? (c) Modify the set of edges (E) and show the correct traffic light transitions in a corrected graph.
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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Draw the following graph and answer the three questions below. (20)
V ={Red, Yellow, Green}, where each node represents a color state of a traffic light system. E = {(Red, Yellow), (Yellow, Green), (Green, Red), (Red, Green), (Red, Yellow)}, where the edges represent transitions from one traffic light state to another.-
(a) Is it a directed graph or undirected graph?
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(b) Which of the transitions (edges) do not make sense in practice? For example, does a yellow light follow a red light in traffic?
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(c) Modify the set of edges (E) and show the correct traffic light transitions in a corrected graph.
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