question 2.5 2.5 Give informal descriptions and state diagrams of pushdown automata for the languages in Exercise 2.4 question about 2.4: 2.4 Give context-free grammars that generate the following languages. In all parts, the alphabet Σ is {0,1}. b. {w | w starts and ends with the same symbol}

Computer Networking: A Top-Down Approach (7th Edition)
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Chapter1: Computer Networks And The Internet
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Hello I'm currently facing substantial difficulties in problem-solving and would greatly appreciate your help. I'm specifically looking for assistance with part B of question 2.5. In order to address it thoroughly, I need to integrate the information from question 2.4, as it plays a crucial role in answering 2.5. Your support is highly valued, and I kindly request your guidance in guiding me through the solution for question 2.5 part B, providing a step-by-step explanation along with comprehensive details and visual representation.

I have submitted my solution, but it seems to be incorrect, and I'm uncertain about the reasons behind it. I've provided my response and am seeking assistance in rectifying it. My main focus is on question 2.5 part B, and I would be grateful for your help in addressing this particular section. I have attached a photo containing my inaccurate answer for reference.

question 2.5
2.5 Give informal descriptions and state diagrams of pushdown automata for the languages in Exercise 2.4

question about 2.4:
2.4 Give context-free grammars that generate the following languages. In all parts, the alphabet Σ is {0,1}.
b. {w | w starts and ends with the same symbol}

3130
313'1
0,ε → 0
1,ε→ 1
°b
'b
0,0→ ε
1,1→Є
92
0, ε π ε
1, ε → ε
Transcribed Image Text:3130 313'1 0,ε → 0 1,ε→ 1 °b 'b 0,0→ ε 1,1→Є 92 0, ε π ε 1, ε → ε
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