**Exercise 2**a) Specify a 2-tape Turing machine that sorts the bits of a binary input (listing all the 1s first, followed by the 0s).b) Specify a 1-tape Turing machine that makes a copy of the input. (The input of word $w$ results in the word $ww$ on the tape.)

Turing machine:A Turing machine is a theoretical model of computation that consists of a few key…

a) Specify a 2-tape Turing machine that sorts the bits of a binary input ()listing all the 1s first, followed by the Os.) b) Specify a 1-tape Turing machine that makes a copy of the input. (The input of word w results in the word ww on the tape.)

a) Specify a 2-tape Turing machine that sorts the bits of a binary input ()listing all the 1s first, followed by the Os.) b) Specify a 1-tape Turing machine that makes a copy of the input. (The input of word w results in the word ww on the tape.)

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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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

**Exercise 2**

a) Specify a 2-tape Turing machine that sorts the bits of a binary input (listing all the 1s first, followed by the 0s).

b) Specify a 1-tape Turing machine that makes a copy of the input. (The input of word $w$ results in the word $ww$ on the tape.)

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