Design FAs for the following: a. Build an FA that accepts only those words that have even no. of "a" and even number of "b". b. Write regular expressions and build a finite automaton for language contains all the words having even number of a's? c. Write regular expressions and finite automata for language that starts with "aa", ends at "bb" and fourth character should be "b"

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
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Question No:
Design FAs for the following:
a. Build an FA that accepts only those words that have even no. of "a"
and even number of "b".
b. Write regular expressions and build a finite automaton for language
contains all the words having even number of a's?
c. Write regular expressions and finite automata for language that
starts with "aa", ends at "bb" and fourth character should be "b"
d. Build transition Graph that accepts the language of all words in
which the a's occur only in even clumps and that end in three or
more b's.
e. FA accepts all strings without a double b.
Transcribed Image Text:Question No: Design FAs for the following: a. Build an FA that accepts only those words that have even no. of "a" and even number of "b". b. Write regular expressions and build a finite automaton for language contains all the words having even number of a's? c. Write regular expressions and finite automata for language that starts with "aa", ends at "bb" and fourth character should be "b" d. Build transition Graph that accepts the language of all words in which the a's occur only in even clumps and that end in three or more b's. e. FA accepts all strings without a double b.
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