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) Give an example of a language that a 2-stack PDA can recognize, but no usual PDA can recognize. Give an implementation-level description of the 2-stack PDA that recognizes your language.

) Give an example of a language that a 2-stack PDA can recognize, but no usual PDA can recognize. Give an implementation-level description of the 2-stack PDA that recognizes your language.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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3. (Multi-stack PDA) Consider a PDA with multiple stacks. (a) Give an example of a language that a 2-stack PDA can recognize, but no usual PDA can recognize. Give an implementation-level description of the 2-stack PDA that recognizes your language. (b) Show that a 2-stack PDA can simulate a Turing machine. (c) Is there a language that a 3-stack PDA can recognize, but no 2-stack PDA can recognize? Explain.
Transcribed Image Text:3. (Multi-stack PDA) Consider a PDA with multiple stacks. (a) Give an example of a language that a 2-stack PDA can recognize, but no usual PDA can recognize. Give an implementation-level description of the 2-stack PDA that recognizes your language. (b) Show that a 2-stack PDA can simulate a Turing machine. (c) Is there a language that a 3-stack PDA can recognize, but no 2-stack PDA can recognize? Explain.
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