2.47 Let = {0,1} and let B be the collection of strings that contain at least one 1 in their second half. In other words, B = {uv u EΣ, ve Σ*1Σ and lu ≥ 2}. a. Give a PDA that recognizes B. b. Give a CFG that generates B.
2.47 Let = {0,1} and let B be the collection of strings that contain at least one 1 in their second half. In other words, B = {uv u EΣ, ve Σ*1Σ and lu ≥ 2}. a. Give a PDA that recognizes B. b. Give a CFG that generates B.
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
Related questions
Question
Hello, Can you help me with question 2.47 part B, I have answered the question for part A but I just need help taking the pushdown automaton answer that I got into Context free grammar (CFG). I was wondering if you can help me with part B I have already provided my answer to part A in the photo I just need help with part B but you have to use my answer because i got part A correct.
I only need help with part B and I provided my correct answer to help you answer part B.
![1.A.#
0.A. #
0,# A
90
g1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6071a75e-f2b9-4719-910c-8c26cf06ae57%2Ff2436616-e26b-4822-88fe-55b40daeb29f%2Fsph4nd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1.A.#
0.A. #
0,# A
90
g1
![2.47 Let = {0,1} and let B be the collection of strings that contain at least one 1 in
their second half. In other words, B = {uv u Є Σ*, v E Σ*1Σ and lu > v}.
a. Give a PDA that recognizes B.
b. Give a CFG that generates B.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6071a75e-f2b9-4719-910c-8c26cf06ae57%2Ff2436616-e26b-4822-88fe-55b40daeb29f%2F4sgklql_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2.47 Let = {0,1} and let B be the collection of strings that contain at least one 1 in
their second half. In other words, B = {uv u Є Σ*, v E Σ*1Σ and lu > v}.
a. Give a PDA that recognizes B.
b. Give a CFG that generates B.
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Recommended textbooks for you
![Database System Concepts](https://www.bartleby.com/isbn_cover_images/9780078022159/9780078022159_smallCoverImage.jpg)
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
![Starting Out with Python (4th Edition)](https://www.bartleby.com/isbn_cover_images/9780134444321/9780134444321_smallCoverImage.gif)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
![Digital Fundamentals (11th Edition)](https://www.bartleby.com/isbn_cover_images/9780132737968/9780132737968_smallCoverImage.gif)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
![Database System Concepts](https://www.bartleby.com/isbn_cover_images/9780078022159/9780078022159_smallCoverImage.jpg)
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
![Starting Out with Python (4th Edition)](https://www.bartleby.com/isbn_cover_images/9780134444321/9780134444321_smallCoverImage.gif)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
![Digital Fundamentals (11th Edition)](https://www.bartleby.com/isbn_cover_images/9780132737968/9780132737968_smallCoverImage.gif)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
![C How to Program (8th Edition)](https://www.bartleby.com/isbn_cover_images/9780133976892/9780133976892_smallCoverImage.gif)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
![Database Systems: Design, Implementation, & Manag…](https://www.bartleby.com/isbn_cover_images/9781337627900/9781337627900_smallCoverImage.gif)
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
![Programmable Logic Controllers](https://www.bartleby.com/isbn_cover_images/9780073373843/9780073373843_smallCoverImage.gif)
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education