Your Aunt Mary would like you to design a digital logic circuit that monitors the conditions in a room of her house where her seven cats live. The room’s temperature is monitored by a temperature sensor. The room’s humidity is monitored by a humidity sensor. The air quality of the room is monitored by a special sensor that measures fur-ball density. The three sensors output a one (1) to indicate an out-of-range condition. Located outside of the room is an ALERT light that is on (1) whenever two or more sensors are out-of-range.

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter13: Magnetic Induction
Section: Chapter Questions
Problem 1PA
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Your Aunt Mary would like you to design a digital logic circuit that monitors the conditions in a room of her house where her seven cats live. The room’s temperature is monitored by a temperature sensor. The room’s humidity is monitored by a humidity sensor.  The air quality of the room is monitored by a special sensor that measures fur-ball density. The three sensors output a one (1) to indicate an out-of-range condition. Located outside of the room is an ALERT light that is on (1) whenever two or more sensors are out-of-range.

 

 

  1. Create a truth table that captures the functionality of this room monitoring system.

 

  1. Using the truth table that you just created, write the un-simplified logic expression for the ALERT light. Be sure that your answer is in the Sum-of-Products form.

 

 

 

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