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What is the function of the tape head of a Turing Machine?

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Emily CarrollAUG 11, 2023, 12:52:29 AM

The tape head is the I/O device of the Turing machine. It allows the program to see what's currently in memory, and it can write new values to memory. It can move across the tape to an adjacent position.

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Choose all allowable operations for a Turing Machine tape head

Select one or more of the following options:
  • A.

    Write over current tape value

  • B.

    Read current tape value

  • C.

    Move 1 space left or right

  • D.

    Move arbitrary number of spaces left/right

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