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2. An alarm circuit is needed to indicate that either the temperature or the pressure in a batch process is too high. If either of the conditions is true, a microswitch closes to ground, as shown in Figure 4-11. The required output for an LED is a LOW signal when the alarm condition is true. George thinks that an OR gate is needed, but Betty argues that an AND gate is needed. Who is right and why? FIGURE 4-11 F 1.0 ΚΩ Temp, switch +5.0 V 1.0 Kn Logic gate Pressure switch +5.0 V 330 Ω Alarm

2. An alarm circuit is needed to indicate that either the temperature or the pressure in a batch process is too high. If either of the conditions is true, a microswitch closes to ground, as shown in Figure 4-11. The required output for an LED is a LOW signal when the alarm condition is true. George thinks that an OR gate is needed, but Betty argues that an AND gate is needed. Who is right and why? FIGURE 4-11 F 1.0 ΚΩ Temp, switch +5.0 V 1.0 Kn Logic gate Pressure switch +5.0 V 330 Ω Alarm

Introductory Circuit Analysis (13th Edition)
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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2. An alarm circuit is needed to indicate that either the temperature or the pressure in a batch process is too high. If either of the conditions is true, a microswitch closes to ground, as shown in Figure 4-11. The required output for an LED is a LOW signal when the alarm condition is true. George thinks that an OR gate is needed, but Betty argues that an AND gate is needed. Who is right and why? FIGURE 4-11 www 1.0 k Temp. switch +5.0 V 1.0 ΚΩ Logic gate Pressure switch +5.0 V 330 Ω Alarm
Transcribed Image Text:2. An alarm circuit is needed to indicate that either the temperature or the pressure in a batch process is too high. If either of the conditions is true, a microswitch closes to ground, as shown in Figure 4-11. The required output for an LED is a LOW signal when the alarm condition is true. George thinks that an OR gate is needed, but Betty argues that an AND gate is needed. Who is right and why? FIGURE 4-11 www 1.0 k Temp. switch +5.0 V 1.0 ΚΩ Logic gate Pressure switch +5.0 V 330 Ω Alarm
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