As an intermediate step in the construction of a lexical analyzer, a  conversion of patterns into stylized flowcharts called transition diagrams  is performed.  Using hand conversion, construct transition diagrams to recognize the  same languages as each of the regular expressions: (i) a(a | b)* a

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Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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 As an intermediate step in the construction of a lexical analyzer, a 
conversion of patterns into stylized flowcharts called transition diagrams 
is performed.
 Using hand conversion, construct transition diagrams to recognize the 
same languages as each of the regular expressions:
(i) a(a | b)* a
(ii) (a | b) *a (a | b)(a | b)
(iii) a*ba*ba*ba*
(iv) (a | b)a*b

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