Draw the state diagram for the following electronic vending machine specificatio

Question

Draw the state diagram for the following electronic vending machine specification. The vending machine sells jawbreaker candy, one jawbreaker for 25C. The machine only accepts N (nickels = 5C), D (dimes = 10C), and Q (quarters = 25C). When the sum inserted is 25C or more, the candy is dispensed by making V=1 and the machine returns to its initial state. No change is returned. If anything less than 25C has been inserted and the coin return button is pushed (C), the machine returns change in the coin return (one quarter) by making R=1, and the machine returns to its initial state.

Explanation / Answer

The ethical justification for developing and providing the means to reduce the burden of disease in developing countries is self-evident. Nevertheless, those who pursue these laudable ends encounter ethical dilemmas at every turn. The development of new interventions requires testing with human subjects, an activity fraught with controversy since the dawn of scientific medicine and especially

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