Question: B1:Write a regular expression for all course codes . The code starts with three upper case letters, followed by 4 digits, the second of which

B1:Write a regular expression for all course codes . The code starts with three upper case letters, followed by 4 digits, the second of which is a 1 or a 5. Some course codes (but not all) end with a letter A through E, or Z.

B2: Convert the regular expression into a Non-Deterministic Finite Automata (NFA) below.

(a|b|c)*(bc)*

B3: Convert the Non-Deterministic Finite Automata (NFA) below into a Deterministic Finite Automata (DFA) on the {a, b} alphabet.

B1:Write a regular expression for all course codes . The code starts

8 ( 2 6

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