Problem 4. Convert the following regular expression into equivalent NFA, using top-down approach and bottom-up approach? R= (a*b) | c?b | (dd)* Note: +: Positive closure (+: 1,2,3,...), |: Union (OR), *: Kleene-closure (*=0,1,2,...)and ? : Optional (?= 0,1)

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
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Problem 4. Convert the following regular expression into equivalent NFA, using top-down
approach and bottom-up approach?
R = (a*b) | c?b | (dd)*
Note: +: Positive closure (+: 1,2,3,...), |: Union(OR), *: Kleene-closure (*=0,1,2,...)and
?: Optional (?= 0,1)
Transcribed Image Text:Problem 4. Convert the following regular expression into equivalent NFA, using top-down approach and bottom-up approach? R = (a*b) | c?b | (dd)* Note: +: Positive closure (+: 1,2,3,...), |: Union(OR), *: Kleene-closure (*=0,1,2,...)and ?: Optional (?= 0,1)
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