Design a circuit 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 'l'. 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. 'l' if the engine is ON and '0' if the engine is OFF L'- Lights. 'l' if the lights are ON and '0' if the lights are OFF 'K- Key. 'l' if the key is in the ignition and '0' if the key is not in the ignition 'D' - Door. 'l' the door is open and O' if the door is closed 'X' - Output to Chime. 'l' is chime is ON and '0' if chime is OFF a. Create the truth table for given system requirements. b. Write a sum-of-products expression for the output (X). Use Boolean theorems or a K-map to simplify the expression. Show all of the steps used in the selected simplification process. d. Draw the circuit diagram for the simplified expression. c.
Design a circuit 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 'l'. 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. 'l' if the engine is ON and '0' if the engine is OFF L'- Lights. 'l' if the lights are ON and '0' if the lights are OFF 'K- Key. 'l' if the key is in the ignition and '0' if the key is not in the ignition 'D' - Door. 'l' the door is open and O' if the door is closed 'X' - Output to Chime. 'l' is chime is ON and '0' if chime is OFF a. Create the truth table for given system requirements. b. Write a sum-of-products expression for the output (X). Use Boolean theorems or a K-map to simplify the expression. Show all of the steps used in the selected simplification process. d. Draw the circuit diagram for the simplified expression. c.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Transcribed Image Text:Design a circuit 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 logie 'l'. 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. 'l' if the engine is ON and '0' if the engine is OFF
• L'- Lights. 'l'if the lights are ON and '0' if the lights are OFF
'K - Key. 'l' if the key is in the ignition and '0' if the key is not in the ignition
'D'- Door. 'l' the door is open and O' if the door is closed
'X - Output to Chime. 'l' is chime is ON and '0' if chime is OFF
a. Create the truth table for given system requirements.
b. Write a sum-of-products expression for the output (X).
c. Use Boolean theorems or a K-map to simplify the expression. Show all of the steps used in the
selected simplification process.
d. Draw the circuit diagram for the simplified expression.
Transcribed Image Text:Design, construct and test the following combinational logic problems with minimum number
of IC's. For all ICs in this experiment: Vcc = +5v to pin 14, and 0 (ground) to pin 7.
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