How many strings of length less than 4 contains the language described by the regular expression (x+y) *y(a+ab) *?
A) 7
B) 10
C) 12
D) 11
Correct Answer:
Verified
Q20: The regular sets are closed under:
A)Union
B)Concatenation
C)Kleene closure
D)All
Q21: Any given transition graph has an equivalent:
A)regular
B)DFSM
Q22: A language is regular if and only
Q23: Which of the following is not a
Q24: Consider the regular language L = (111+111111)*.
Q26: Which of the following is TRUE?
A)Every subset
Q27: The minimum state automaton equivalent to the
Q28: Which one of the following languages over
Q29: Let w be any string of length
Q30: Which of the following are regular sets?
A)I
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