Question: 21. Let M = (Q, ,,6, q0,B,F) be a Turing machine. As usual, we assume that Qn= 0. Recall that an instantaneous description (ID) of

21. Let M = (Q, ,,6, q0,B,F) be a Turing machine.

21. Let M = (Q, ,,6, q0,B,F) be a Turing machine. As usual, we assume that Qn= 0. Recall that an instantaneous description (ID) of M is any string over the alphabet QU containing exactly one symbol from Q, and this symbol is not the last symbol in the string. Give a DFA that recognizes the language of all IDs of M

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