Q1. A series of messages is to be transferred between two computers over the Internet. The messages comprise just the characters A through H. Analysis has shown that the probability (relative frequency of occurrence) of each character is as follows: A and B= 0.25, C and D= 0.14, E,F,G, and H= 0.055 (a) By computing the entropy of the source, derive the minimum average number of bits per character.
Q1. A series of messages is to be transferred between two computers over the Internet. The messages comprise just the characters A through H. Analysis has shown that the probability (relative frequency of occurrence) of each character is as follows: A and B= 0.25, C and D= 0.14, E,F,G, and H= 0.055 (a) By computing the entropy of the source, derive the minimum average number of bits per character.
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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Q1. A series of messages is to be transferred between two computers over the Internet. The messages comprise just the characters A through H. Analysis has shown that the probability (relative frequency of occurrence) of each character is as follows:
A and B= 0.25,
C and D= 0.14,
E,F,G, and H= 0.055
(a) By computing the entropy of the source, derive the minimum average number of bits per character.
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