Answered: Design a combinational circuit using…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Question

Design a combinational circuit using multiplexer for a car chime based on the
following system: A car chime or bell will sound if the output of the logic circuit
(X) is set to a logic ‘1’. The chime is to be sounded for either of the following
conditions:
• if the headlights are left on when the engine is turned off and
• if the engine is off and the key is in the ignition when the door is opened.
Use the following input names and nomenclature in the design process:
• ‘E’ – Engine. ‘1’ if the engine is ON and ‘0’ if the engine is OFF
• ‘L’ – Lights. ‘1’ if the lights are ON and ‘0’ if the lights are OFF
• ‘K’ – Key. ‘1’ if the key is in the ignition and ‘0’ if the key is not in the ignition
• ‘D’ – Door. ‘1’ the door is open and ‘0’ if the door is closed
• ‘X’ – Output to Chime. ‘1’ is chime is ON and ‘0’ if chime is OFF

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