Question: Computer science: reference Theory of Computation cource Problem: Implementing credit card machine to accept valid 1 6 digits and reject invalid credit card digits Pick

Computer science: reference Theory of Computation cource
Problem: Implementing credit card machine to accept valid 16 digits and reject invalid credit card digits
Pick four of the following ways to implement it: finite automata (FA), non-deterministic FA, regular language, context-free grammar, pushdown automata, or Turing machine. You should have at least 5 states in this problem and give at least 3 of 5 cases that your "machine" accepts.
1- Describe the alphabet of this problem.
2- Give a description of the states for this problem..
Give a description of the start and accept states for this problem.

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