An alarm system has three different control panels in three different locations. To enable the system, switches in at least two of the panels must be in the on position. If fewer than two are in the on position, the system is disabled. Let P, Q, and R indicate the positions of the switches, with 1 indicating that the switch is in the on position. Let an output of 1 indicate that the security system is enabled. Which of the following combinations of input signals produces an output signal of 1? Select one: a. P = 1,Q = 0, and R = 0 b. P = 0,Q = 1, and R = 1 C. P = 0, Q = 1, and R = 0 d. P = 0,Q = 0, and R = 1
An alarm system has three different control panels in three different locations. To enable the system, switches in at least two of the panels must be in the on position. If fewer than two are in the on position, the system is disabled. Let P, Q, and R indicate the positions of the switches, with 1 indicating that the switch is in the on position. Let an output of 1 indicate that the security system is enabled. Which of the following combinations of input signals produces an output signal of 1? Select one: a. P = 1,Q = 0, and R = 0 b. P = 0,Q = 1, and R = 1 C. P = 0, Q = 1, and R = 0 d. P = 0,Q = 0, and R = 1
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:An alarm system has three different control panels in three different locations. To enable the system, switches in at least two of the panels must be in the on
position. If fewer than two are in the on position, the system is disabled. Let P, Q, and R indicate the positions of the switches, with 1 indicating that the switch
is in the on position. Let an output of 1 indicate that the security system is enabled. Which of the following combinations of input signals produces an output
signal of 1?
Select one:
a. P = 1,Q = 0, and R = 0
b. P = 0,Q = 1, and R = 1
O c. P = 0,Q = 1, and R = 0
d. P = 0,Q = 0, and R = 1
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