How many different channels are needed for six television stations (A, B, C, D, E, F) whose distances (in kilometers) from each other are shown in the following table? Assume that two stations cannot use the same channel when they are within 150 km of each other. You must show your graph to justify your answer. You will not receive credit if you simply state a number.

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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How many different channels are needed for six television stations (A, B, C, D, E, F) whose
distances (in kilometers) from each other are shown in the following table? Assume that two stations
cannot use the same channel when they are within 150 km of each other. You must show your graph to
justify your answer. You will not receive credit if you simply state a number.
A
B
с
D
E
F
A
B
85
с DE F
175
100 50 100
125
85
175 125
100
175 100
50 100 200
100
130 250
-
175 100 130
100 200 250
210 220
100
210
220 100
Transcribed Image Text:How many different channels are needed for six television stations (A, B, C, D, E, F) whose distances (in kilometers) from each other are shown in the following table? Assume that two stations cannot use the same channel when they are within 150 km of each other. You must show your graph to justify your answer. You will not receive credit if you simply state a number. A B с D E F A B 85 с DE F 175 100 50 100 125 85 175 125 100 175 100 50 100 200 100 130 250 - 175 100 130 100 200 250 210 220 100 210 220 100
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