(b) A vending machine dispenses a package of gum after a customer inserts coins worth 20 cents into the machine. Two types of coins are acceptable: 5 cents and 10 cents. The machine has a single coin slot (only one type of coin can be inserted at a time). The vending machine returns 5 cents if a 10-cent coin is STM inserted when the machine has already received 15 cents. The machine has these signals: Input signals Output Signals Release a gum after 20 cents have been R 5-cent coin inserted deposited 10-cent coin inserted C Release 5-cent change (Mealy output) Sketch the state diagram that represents the control behavior of the machine.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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(b) A vending machine dispenses a package of gum after a customer inserts coins
worth 20 cents into the machine. Two types of coins are acceptable: 5 cents and
10 cents. The machine has a single coin slot (only one type of coin can be
inserted at a time). The vending machine returns 5 cents if a 10-cent coin is
inserted when the machine has already received 15 cents. The machine has
these signals:
Input signals
Output Signals
Release a gum after 20 cents have been
R
5-cent coin inserted
deposited
10-cent coin inserted
C Release 5-cent change (Mealy output)
Sketch the state diagram that represents the control behavior of the machine.
ch
ASUS VivoBook
Transcribed Image Text:(b) A vending machine dispenses a package of gum after a customer inserts coins worth 20 cents into the machine. Two types of coins are acceptable: 5 cents and 10 cents. The machine has a single coin slot (only one type of coin can be inserted at a time). The vending machine returns 5 cents if a 10-cent coin is inserted when the machine has already received 15 cents. The machine has these signals: Input signals Output Signals Release a gum after 20 cents have been R 5-cent coin inserted deposited 10-cent coin inserted C Release 5-cent change (Mealy output) Sketch the state diagram that represents the control behavior of the machine. ch ASUS VivoBook
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