Indicate whether the following statements are True or False: a) A standard Turing machine always halts either in a final state or in a non-final state. b)When a standard Turing machine enters a final state, it will always stop. c) When a nondeterministic pushdown automaton enters a final state, it will always stop. d) Deterministic and nondeterministic pushdown automata are not equivalent. e) Pushdown automata always halt when there is no input. f) Any context-free grammar with l-free can be represented in Greibach normal form. g) Every s-grammar is unambiguous. h) Any context-free language can be parsed in linear time. i) Any string in a context-free language always has a unique leftmost derivation. j) The order to remove l-productions and unit-productions can be changed.

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
icon
Related questions
Question
  1. Indicate whether the following statements are True or False:

a) A standard Turing machine always halts either in a final state or in a non-final state.

b)When a standard Turing machine enters a final state, it will always stop.

c) When a nondeterministic pushdown automaton enters a final state, it will always stop.

d) Deterministic and nondeterministic pushdown automata are not equivalent.

e) Pushdown automata always halt when there is no input.

f) Any context-free grammar with l-free can be represented in Greibach normal form.

g) Every s-grammar is unambiguous.

h) Any context-free language can be parsed in linear time.

i) Any string in a context-free language always has a unique leftmost derivation.

j) The order to remove l-productions and unit-productions can be changed.

Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Problems on Turing Machines
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.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Database System Concepts
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)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education