Question

A creative businessman has decided to create a two-quarter ($0.25) automatic gum machine with two independent lights indicating the amount of quarters ($ 0.25) deposited. When depositing the second quarter( $ 0.25) the machine dispenses the gum or prize automatically and turns off the lights. a) Make a state table for the logic of the machine indicating input / output variables that you need. b) ¿how many flip flops are needed to make the machine?

Answer 1