Consider the following pushdown automaton (PDA). START a READ, POP, PUSH b READ, ACCEPT a.b POP:...
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Consider the following pushdown automaton (PDA). START a READ, POP, PUSH b READ, ACCEPT a.b POP: READ, REJECT ACCEPT (a) Using a trace table like those in Chapter 14, show what happens to the input tape and stack as each of the following words proceeds through the machine. i. bbbaaa ii. bbbaba iii. bbbabb iv. bbbbaa (b) What is the language accepted by this PDA? Consider the following pushdown automaton (PDA). START a READ, POP, PUSH b READ, ACCEPT a.b POP: READ, REJECT ACCEPT (a) Using a trace table like those in Chapter 14, show what happens to the input tape and stack as each of the following words proceeds through the machine. i. bbbaaa ii. bbbaba iii. bbbabb iv. bbbbaa (b) What is the language accepted by this PDA?
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