Which of the following regular grammars generates the same language as the regular expression a(b + c)(d)? Assume that the starting symbol is S and that unit productions are allowed. OS a A A → bA | CA | D D → dD | H H→ A OS → aA AbS cS D DdS H H→ A OS→ aA A → bA CA A → dA | A OS A a A bA cA bD cD DdD dH 1 H→ A

Which of the following regular grammars generates the same language as the regular expression a(b + c)(d)? Assume that the starting symbol is S and that unit productions are allowed. OS a A A → bA | CA | D D → dD | H H→ A OS → aA AbS cS D DdS H H→ A OS→ aA A → bA CA A → dA | A OS A a A bA cA bD cD DdD dH 1 H→ A

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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Question

Q5
Which of the following regular grammars generates the same language as the regular expression
a(b + c)* (d*)? Assume that the starting symbol is S and that unit productions are allowed.
OS a A
→>>
A bA CA D
D→ dD | H
H → A
OS a A
AbS cS D
D →dS | H
H→ A
OS a A
A → bA | CA
A → dA | A
OS →→ aA
A bA cA bD | cD
D → dD dH
H→ A

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