LEXICAL ANALYSIS
CONSTRUCTION OF A LEXICAL ANALYZER
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The minimum number of states required in a DFA (along with a dumping state) to check whether the 3rd bit is 1 or not for |n|>=3, where n is number of bits.
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3
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4
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5
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1
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Explanation:
Detailed explanation-1: -The minimum number of states is 4.
Detailed explanation-2: -The finite automaton accepting nothing will contain transitions on all input symbols to itself only. Thus atleast 1 state is necessarily required.
Detailed explanation-3: -Explanation: The DFA can be minimized to two states and the second state is final state .
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