Draw a Turing machine that takes as input a string w ∈ { 0, 1, 2}*, erases the tape contents, and leaves TRUE left justified on the tape if the substring 0000 does not occur in the input string, otherwise leaves FALSE left justified on the tape. Give a brief description of how the tape is used and how the machine works.

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Chapter1: Introduction
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Draw a Turing machine that takes as input a string w ∈ { 0, 1, 2}*, erases the tape contents,
and leaves TRUE left justified on the tape if the substring 0000 does not occur in the input
string, otherwise leaves FALSE left justified on the tape. Give a brief description of how the
tape is used and how the machine works.

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