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# Theory of Computation MCQs | Page - 12

Dear candidates you will find MCQ questions of Theory of Computation here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Q. 111) Following syntax-directed translation scheme is used with a shift reduction (bottom up) parser that perform the action in braces immediately after a reduction by the corresponding production
A —>aB {print “(1)” A —> c {print “1”),
B —>Ab {print *2”}.
When parser is aaacbbb, then string printed

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Q. 113) Basic limitation of FSM is that it

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Q. 114) Which of the following are decidable?
1) Whether the intersection of two regular language is infinite.
2) Whether a given context free language is regular.
3) Whether two push down automata accept the same language.
4) Whether a given grammar is context free.

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Q. 115) If L and L¯ are recursively enumerable, then L is

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Q. 116) Which of the following problems is undecidable?

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Q. 117) Fred created a new automaton model which is a push down automaton but with two stacks and the added ability of having commands which do not read input tape but which can pop from one stack and push into the other.This new automaton can recognize (choose strongest result)

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Q. 118) Which of the following statements is/are FALSE?
(1) For every non-deterministic Turing machine, there exists an equivalent deterministic Turing machine.
(2) Turing recognizable languages are closed under union and complementation.
(3) Turing decidable languages are closed under intersection and complementation
(4) Turing recognizable languages are closed under union and intersection.

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Q. 119) Consider a string s over (0+1)*. The number of 0’s in s is denoted by no(s) and the number of 1’s in s is denoted by n1(s). The language that is not regular is

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Q. 120) Which one of the following is true regarding FOTRAN?

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