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Consider the following Turing Machine.
A Turing machine either halts or hangs on a specific input. When a Turing machine hangs, then the input string is rejected because the further processing of string cannot be done. When a Turing machine halts, it may halt by accepting the input or may halt by rejecting the input. If it halts in the final state, then the input is accepted, otherwise rejected. On which input, the above Turing machine will halt in a final state and accept that string?
  • a)
    anbncn
  • b)
    anbmcn
  • c)
    ambmcn
  • d)
    anbmcm
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Consider the following Turing Machine.A Turing machine either halts o...
It is observed that all the b's are skipped while comparing a & c of the given input string. Hence this turning machine checks for the equivalence of a & c & skip b's.
∴ language accepted by turing machine = {anbmcn}
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Consider the following Turing Machine.A Turing machine either halts or hangs on a specific input. When a Turing machine hangs, then the input string is rejected because the further processing of string cannot be done. When a Turing machine halts, it may halt by accepting the input or may halt by rejecting the input. If it halts in the final state, then the input is accepted, otherwise rejected. On which input, the above Turing machine will halt in a final state and accept that string?a)anbncnb)anbmcnc)ambmcnd)anbmcmCorrect answer is option 'B'. Can you explain this answer?
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