We juxtapose the schematics of a finite automaton (FA) and a push-down automaton (PDA) below: FIGURE 2.11 Schematic of a finite automaton Select one: state control a. state control e. a abb input FIGURE 2.12 Schematic of a pushdown automaton Which of the following statements is true about these two types of automata? a abb input X y stack Z An FA is really a PDA with a disabled (or non-functioning) stack. b. If a language cannot be recognized by any PDA, then there isn't any FA that can do it either. c. All of these ments are true. d. A PDA is an FA augmented with a stack (and its accompanying functionality). If a language is recognized by an FA, it can be recognized by some PDA.

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
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We juxtapose the schematics of a finite automaton (FA) and a push-down automaton (PDA) below:
FIGURE 2.11
Schematic of a finite automaton
state
control
b.
state
control
c.
a abb input
a a bb input
FIGURE 2.12
Schematic of a pushdown automaton
Which of the following statements is true about these two types of automata?
X
y stack
Z
Select one:
a. An FA is really a PDA with a disabled (or non-functioning) stack.
If a language cannot be reco
All of these statements are true.
any PDA, then there isn't any FA that can do it either.
d.
A PDA is an FA augmented with a stack (and its accompanying functionality).
e.
If a language is recognized by an FA, it can be recognized by some PDA.
Transcribed Image Text:We juxtapose the schematics of a finite automaton (FA) and a push-down automaton (PDA) below: FIGURE 2.11 Schematic of a finite automaton state control b. state control c. a abb input a a bb input FIGURE 2.12 Schematic of a pushdown automaton Which of the following statements is true about these two types of automata? X y stack Z Select one: a. An FA is really a PDA with a disabled (or non-functioning) stack. If a language cannot be reco All of these statements are true. any PDA, then there isn't any FA that can do it either. d. A PDA is an FA augmented with a stack (and its accompanying functionality). e. If a language is recognized by an FA, it can be recognized by some PDA.
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