Question: Design a vending machine that accepts only quarters. The machine has two buttons: Vend and Cancel. When the machine has $ 1 deposited, the Vend
Design a vending machine that accepts only quarters. The machine has two buttons: Vend and Cancel. When the machine has $ deposited, the Vend button
will print a ticket and take the user's money. Otherwise, this button has no function. Any quarter deposited after the $ should be immediately returned. The
machine also has a cancel button, that returns the money deposited so far. Use a formal definition of FSM to define the set of states, inputs, and outputs.
Assume a Moore machine. Design a state diagram for the desired operation.
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