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The idea of an automation with a stack as auxiliary storage
- a)Finite automata
- b)Push Down Automata
- c)Deterministic Automata
- d)None of the mentioned
Correct answer is option 'B'. Can you explain this answer?
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The idea of an automation with a stack as auxiliary storagea)Finite au...
Push Down Automata manipulate the Stack as a part of performing a transition.
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The idea of an automation with a stack as auxiliary storagea)Finite au...
Understanding Automata Types
In the study of automata theory, different types of automata are used for various computational tasks. One key distinction is the use of auxiliary storage, which is where the concept of a stack comes into play.
Finite Automata (FA)
- Finite Automata are the simplest form of automata.
- They do not utilize any auxiliary storage like a stack; instead, they operate with a finite number of states.
- They can recognize regular languages but cannot handle nested structures due to their limited memory.
Push Down Automata (PDA)
- Push Down Automata are an extension of Finite Automata that include a stack as auxiliary storage.
- The stack enables PDA to remember an unlimited amount of information, making it capable of recognizing context-free languages.
- This capability is essential for parsing nested structures, such as balanced parentheses or XML tags.
- PDAs can be either deterministic or nondeterministic, which adds to their versatility.
Deterministic Automata (DA)
- Deterministic Automata refer to a specific type of Finite Automata where each state has a unique transition for each input symbol.
- Like FA, they do not utilize any form of auxiliary storage, such as a stack.
Conclusion
The correct answer is option 'B' because only Push Down Automata leverage a stack to enhance their computational power, allowing them to recognize a broader class of languages compared to Finite Automata and Deterministic Automata.
In the study of automata theory, different types of automata are used for various computational tasks. One key distinction is the use of auxiliary storage, which is where the concept of a stack comes into play.
Finite Automata (FA)
- Finite Automata are the simplest form of automata.
- They do not utilize any auxiliary storage like a stack; instead, they operate with a finite number of states.
- They can recognize regular languages but cannot handle nested structures due to their limited memory.
Push Down Automata (PDA)
- Push Down Automata are an extension of Finite Automata that include a stack as auxiliary storage.
- The stack enables PDA to remember an unlimited amount of information, making it capable of recognizing context-free languages.
- This capability is essential for parsing nested structures, such as balanced parentheses or XML tags.
- PDAs can be either deterministic or nondeterministic, which adds to their versatility.
Deterministic Automata (DA)
- Deterministic Automata refer to a specific type of Finite Automata where each state has a unique transition for each input symbol.
- Like FA, they do not utilize any form of auxiliary storage, such as a stack.
Conclusion
The correct answer is option 'B' because only Push Down Automata leverage a stack to enhance their computational power, allowing them to recognize a broader class of languages compared to Finite Automata and Deterministic Automata.
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