(b) The set of all strings over the alphabet {a, b} where the number of b's is at most one greater than the number of a's. Examples of strings in the language: aaaba bbaabaaaaaaaabaa Examples of strings not in the language: babb abababababbb bbbbb

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Give context free grammar for the following :

 
(b) The set of all strings over the alphabet {a, b} where the number of b's is at most one
greater than the number of a's.
Examples of strings in the language:
aaaba
b
bbaabaaaaaaaabaa
Examples of strings not in the language:
babb
abababababbb
bbbbb
Transcribed Image Text:(b) The set of all strings over the alphabet {a, b} where the number of b's is at most one greater than the number of a's. Examples of strings in the language: aaaba b bbaabaaaaaaaabaa Examples of strings not in the language: babb abababababbb bbbbb
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