Which of the following set can be recognized by a deterministic finite state…

GATE · Computer Science · 1998

Which of the following set can be recognized by a deterministic finite state automaton?

  1. A.

    The numbers 1, 2, 4, 2ⁿ written in unary

  2. B.

    The set of binary strings in which the number of zeroes is the same as the number of ones

  3. C.

    The numbers 1, 2, 4, 8, 2ⁿ written in binary

  4. D.

    The set { 1, 101, 11011, 1110111, … }

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