A language has an alphabet of four letters x¡, i = 1,2,3,4, each occurring with probability1/4 Find the number of bits needed of a fixed-length binary code in which: Each letter is encoded separately into a binary sequence. b. Two letters at a time are encoded into a binary sequence. Which method is efficient in the sense of bit per letter? а.
A language has an alphabet of four letters x¡, i = 1,2,3,4, each occurring with probability1/4 Find the number of bits needed of a fixed-length binary code in which: Each letter is encoded separately into a binary sequence. b. Two letters at a time are encoded into a binary sequence. Which method is efficient in the sense of bit per letter? а.
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
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![A language has an alphabet of four letters x;, i = 1,2,3,4, each occurring with probability1/4.
Find the number of bits needed of a fixed-length binary code in which:
a. Each letter is encoded separately into a binary sequence.
b. Two letters at a time are encoded into a binary sequence.
Which method is efficient in the sense of bit per letter?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F582f5f58-c774-4dca-b87a-bae16e61df21%2F8fa06de8-81e6-4c9c-bf11-24e8e1406d11%2Fex46x4_processed.png&w=3840&q=75)
Transcribed Image Text:A language has an alphabet of four letters x;, i = 1,2,3,4, each occurring with probability1/4.
Find the number of bits needed of a fixed-length binary code in which:
a. Each letter is encoded separately into a binary sequence.
b. Two letters at a time are encoded into a binary sequence.
Which method is efficient in the sense of bit per letter?
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