1.4.3. Design Turing machines that accept the fol- lowing languages over Σ = {a,b}. The reader should present a state diagram as well as one or two sentences describing the activity of the machine. (a) L = {bn abm|n, m≥ 0} (b) L= {a^bn/n >0} (c) L = {a^ ban n ≥ 0}

1.4.3. Design Turing machines that accept the fol- lowing languages over Σ = {a,b}. The reader should present a state diagram as well as one or two sentences describing the activity of the machine. (a) L = {bn abm|n, m≥ 0} (b) L= {a^bn/n >0} (c) L = {a^ ban n ≥ 0}

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

1.4.3. Design Turing machines that accept the fol-
lowing languages over Σ = {a,b}. The reader
should present a state diagram as well as one
or two sentences describing the activity of the
machine.
(a) L = {b^ abm|n, m >0}
(b) L
=
{a^f"\n ≥ 0}
(c) L = {a"ba" | n ≥ 0}

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