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GATE | GATE CS 2011 | Question 9

Which of the following pairs have DIFFERENT expressive power?

(A)

Deterministic finite automata(DFA) and Non-deterministic finite automata(NFA)

(B)

Deterministic push down automata(DPDA)and Non-deterministic push down automata(NPDA)

(C)

Deterministic single-tape Turing machine and Non-deterministic single-tape Turing machine

(D)

Single-tape Turing machine and multi-tape Turing machine

Answer

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