Answered: Create a Turing machine that implements…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Create a Turing machine that implements the following algorithm given the alphabet is a bx Null and the input is ((a+b)*x(a+b)" This means that an
unknown number of a and b characters has exactly 1 x somewhere in that substring. This is done exactly 3 times, for a grand total of 3x characters as
Input
Traverse the input string
it xx occurs, delete one x then shift the remaining string to remove the blank then restart
if xox does not or no longer occurs anywhere in the string, determine whether there are more a or more b characters
If there are more a characters accept
If there are an equal number of a and b characters reject/Fail
If there are moreb characters accept BUT use a different accept state

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Follow-up Question

Create a Turing machine that implements the following algorithm given the alphabet is a,b,x,Null and the input is ((a+b)*x(a+b)*)³ This means that an unknown number of a and b characters has exactly 1 x somewhere in that substring. This is done exactly 3 times, for a grand total of 3 'x' characters as input.

Traverse the input string

if xx occurs, delete one x then shift the remaining string to remove the blank then restart.

if xx does not or no longer occurs anywhere in the string, determine whether there are more a or more b characters

if there are more a characters accept

if there are an equal number of a and b characters reject/Fail

if there are more b characters accept BUT use a different accept state.

Please illustrate a turing machine or jflap file.

Solution