Given a Turing machine that accepts a palindrome using two tapes, give the execution trace with the string bbabb, in a step by step manner. The specifications of the TM are as follows: The input alphabet is E = {a,b} and the tape alphabet is I = The set Q of states consists of the following five states: {c, b, 0}. start state; copy w to the second tape w has been copied; head of first tape moves to the left head of first tape moves to the right; head of second tape moves to the left; until now, all tests were positive Io : 41 : 12 : Jaccept : accept state Ircjoct : reject state.

Given a Turing machine that accepts a palindrome using two tapes, give the execution trace with the string bbabb, in a step by step manner. The specifications of the TM are as follows: The input alphabet is E = {a,b} and the tape alphabet is I = The set Q of states consists of the following five states: {c, b, 0}. start state; copy w to the second tape w has been copied; head of first tape moves to the left head of first tape moves to the right; head of second tape moves to the left; until now, all tests were positive Io : 41 : 12 : Jaccept : accept state Ircjoct : reject state.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Problems on Turing Machines

In the computational world, the Turing machine is a powerful computation engine. The invention of the Turing Machine is done by Alan Turing in 1936. A Turing Machine (TM) is a diagrammatic model of a fictional computer. It determines an output from a set of input variables using a pre-defined set of rules. It is used to get around the limitations of finite automata and pushdown automata.

Question

Given a Turing machine that accepts a palindrome using two tapes, give the execution
trace with the string bbabb, in a step by step manner.
The specifications of the TM are as follows:
The input alphabet is E = {a,b} and the tape alphabet is I = {a, b, 0}.
The set Q of states consists of the following five states:
start state; copy w to the second tape
w has been copied; head of first tape moves to the left
head of first tape moves to the right; head of second tape moves
to the left; until now, all tests were positive
1o :
41 :
12 :
Jaccept : accept state
Ircjcct : reject state
The transition function & is specified by the following instructions:
Goal
goaaRR
+ qobbRR
91aa → qqaaLN
nha + q baLN
9ıbb → q1bbLN
q1 Ja → 42C«RN
1J0 → qaccept
4200 → jzauRL
12ab → Treject
qzba → greject
qzbb → yzibRL
4200 → jaccept

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