What Action Is Performed by the Turing Machine Described Below

question 34

Multiple Choice

What action is performed by the Turing machine described below?


$$\begin{array} { c c c c c } \begin{array} { c } \text { Current } \\\underline{\text { state }}\end{array} & \begin{array} { c } \text { Current } \\\underline{\text { cell content }}\end{array} & \begin{array} { c } \text { Value } \\\underline{\text { to write }}\end{array} & \begin{array} { c } \text { Direction } \\\underline{\text { to move }}\end{array} & \begin{array} { c } \text { New } \\\underline{\text { state }}\end{array} \\\text { START } & * & * & \text { left } & \text { X } \\\text { X } & 1 & 1 & \text { left } & \mathrm { X } \\\text { X} & 0 & * &\text { right }& \mathrm { Y }\end{array}$$

• A) It replaces any string of consecutive 1s to the left of an * with 0s.
• B) It leaves the tape unchanged.
• C) It places an * at the left end of any string of consecutive 1s appearing to the left of an *.
• D) It complements the string of 0s and 1s appearing to the left of an *.

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Definitions:

Logical Thinking

The process of using a rational, systematic series of steps to come to conclusions.

Thinking Intuitively

The process of making judgments and solving problems based on instincts and feelings rather than explicit reasoning or analysis.

Comforting Prejudices

Prejudiced beliefs that provide comfort by reinforcing existing opinions or societal norms.

Inductive Reasoning

A rational procedure that merges several assumptions, considered true or frequently proven true, to arrive at a particular inference.