Can someone help me to explain why the other options are incorrect? I know which options is the answer but can't understand why the other options aren't. I feel some of them are correct too but there is only 1 correct answer. ======== For your info: - PDA stands for "Pushdown Automata" - e: epsilon ( a space character) - Meaning of the transitions:    A, B/C    means "if read the A symbol, pop B out of the stack and push C in the stack".    So    0, 0/e    =   if reads a 0, pop a 0 and push an epsilon in the stack   and so on ...

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ISBN:9780133594140
Author:James Kurose, Keith Ross
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Can someone help me to explain why the other options are incorrect? I know which options is the answer but can't understand why the other options aren't. I feel some of them are correct too but there is only 1 correct answer.

========

For your info:

- PDA stands for "Pushdown Automata"

- e: epsilon ( a space character)

- Meaning of the transitions:    A, B/C    means "if read the A symbol, pop B out of the stack and push C in the stack".

   So    0, 0/e    =   if reads a 0, pop a 0 and push an epsilon in the stack

  and so on ...

 

 

Which language does the following PDA recognise?
0, ε/0
1,ɛ/1
90
Select one:
e.
ɛ, ɛ/ɛ
a. {www in {0,1}* }
0,0/€
1,1/ɛ
91
O b. Ø
O c. {ww in {0,1}* and w has as many 0 symbols as 1 symbols }
O d.
{0,1}*
none of the languages given above or below
O f. {wwR I w in {0,1}* and wR is w reversed}
Transcribed Image Text:Which language does the following PDA recognise? 0, ε/0 1,ɛ/1 90 Select one: e. ɛ, ɛ/ɛ a. {www in {0,1}* } 0,0/€ 1,1/ɛ 91 O b. Ø O c. {ww in {0,1}* and w has as many 0 symbols as 1 symbols } O d. {0,1}* none of the languages given above or below O f. {wwR I w in {0,1}* and wR is w reversed}
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