In the homework we saw Turing machines for AND, OR, NOT. Here's a definition for XNOR (which is true if both inputs are the same as each other and false otherwise). qø Ø B q1 q1 B R q2 q2 0 1 q3 q2 1 0 q3 д0 1 В q4 q4 B R q3 Trace the machine's first three steps on input 00 by showing the successive configurations. List one configuration per line with a single space separating each part of the configuration. Recall that the parts of the configuration are in the following order: current-state current-head tape-to-left tape- to-right. Use "e" for ɛ and use it only in the "tape-to-left" or "tape-to-right" positions when there is nothing but blanks in those directions. Otherwise list all characters explicitly (and use B for a blank character when needed). initially qo 0 e O Step 1 Step 2 Step 3

In the homework we saw Turing machines for AND, OR, NOT. Here's a definition for XNOR (which is true if both inputs are the same as each other and false otherwise). qø Ø B q1 q1 B R q2 q2 0 1 q3 q2 1 0 q3 д0 1 В q4 q4 B R q3 Trace the machine's first three steps on input 00 by showing the successive configurations. List one configuration per line with a single space separating each part of the configuration. Recall that the parts of the configuration are in the following order: current-state current-head tape-to-left tape- to-right. Use "e" for ɛ and use it only in the "tape-to-left" or "tape-to-right" positions when there is nothing but blanks in those directions. Otherwise list all characters explicitly (and use B for a blank character when needed). initially qo 0 e O Step 1 Step 2 Step 3

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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