Virtual Labs

a: To store input symbols. Explanation

Explanation

b: To store intermediate results during computation. Explanation

Explanation

c: To store the final output. Explanation

Explanation

d: To perform arithmetic operations. Explanation

Explanation

a: The PDA has an infinite tape. Explanation

Explanation

b: The PDA has a stack for additional memory. Explanation

Explanation

c: The PDA uses transition rules instead of states. Explanation

Explanation

d: The PDA recognizes only regular languages. Explanation

Explanation

a: PDAs have unlimited memory. Explanation

Explanation

b: PDAs are strictly more powerful than Turing machines. Explanation

Explanation

c: PDAs use only transition rules for computation. Explanation

Explanation

d: PDAs can recognize context-free languages. Explanation

Explanation

Construct Pushdown Automata