Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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DFA Design 

Design a DFA over Σ = {a, b} to accept the following language:
"All strings containing anything but not exactly two bb's"
Examples of L: λ, a, b, aa, ab, ba, bb, aba, abb, bab, bba, bbb, bbabbabb
Examples of ī: bbbb, bbaabb, abbabba, ababbaaaabbbaaabaaba
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Transcribed Image Text:Design a DFA over Σ = {a, b} to accept the following language: "All strings containing anything but not exactly two bb's" Examples of L: λ, a, b, aa, ab, ba, bb, aba, abb, bab, bba, bbb, bbabbabb Examples of ī: bbbb, bbaabb, abbabba, ababbaaaabbbaaabaaba
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In this question, testcase ababbaaaabbbaaabaaba should be rejected but it is accepted. How does the DFA change.

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In this question, testcase ababbaaaabbbaaabaaba should be rejected but it is accepted. How does the DFA change.

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