Shared By:- Mahwish Akram
Theory of Automata final paper
Question#(1) Fill it with suitable word
A Push down Automata consists of and input TAPE with ----------many location in one direction. (Marks 2)
Question#(2) Construct RE for the language having words of even length over ∑= {a.b} (2 Mark)
Question#(3) If two FAs have no final states then what will be the final state of their union? (2 mark)
Question#(4) Write true or false for the following statement
(a) Dead state is must in NFA
(b) There is a union path for each valid string (called a word) in NFA. (2 mark)
Question#(5) Write the three different parsing techniques? (3 mark)
Question#(6) Explain first two rules of defining all possible production of CFG of the “Row language” (5 mark)
Question#(7) Construct corresponding CFG for the given language
(1) All words of even length but not multiple of 3.
(2) Palindrome (both even and odd palindrome). (5 mark)
Question #8 ) Is the following CFG ambiguous? How can you remove the ambiguity?
S→aS│bS│aaS│
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