E= {a,b}
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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Automata

Transcribed Image Text:Note: Write Regular Expressions for all of the languages given below defined over Alphabet Set
E= {a,b}
Language of all words which contain exactly one occurrence of substring “ab".
RE= bta* ab b* q*
Language of all words which do not contain substring “bbb".
RE= (T+b+bb)(a(KAbtbb)
Note: Write Regular Expressions for all of the languages given below defined over Alphabet Set
E= {a,b}
Language of all words which begins and ends with same alphabet symbol.
RE = ala+b)*q + b(a+b)*b +a+b
Language of all words which contain “aa" as well as “bb".
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