A house has four external doors. If each door is open, it has a sensor that outputs 1. Inside the house is a single LED that a homeowner wishes to use to designate whether a door is open or closed. Because the LED can only show one sensor's status, the homeowner buys a switch that can be set to 0, 1, 2 or 3, and that has a 2-bit output explaining the switch's position in binary. Implement a circuit to connect the four sensors, the switch, and the LED. Use a single mux, an N-bit mux, or a decoder. Use block symbols with a clearly defined function (i.e., “2x1 mux,” “8-bit 2x1 mux,” or “3x8 decoder”); DO NOT show the mux's or decoder's internal design.

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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A house has four external doors. If each door is open, it has a sensor that outputs 1. Inside the house is a single LED that a homeowner wishes to use to designate whether a door is open or closed. Because the LED can only show one sensor's status, the homeowner buys a switch that can be set to 0, 1, 2 or 3, and that has a 2-bit output explaining the switch's position in binary. Implement a circuit to connect the four sensors, the switch, and the LED.

Use a single mux, an N-bit mux, or a decoder. Use block symbols with a clearly defined function (i.e., “2x1 mux,” “8-bit 2x1 mux,” or “3x8 decoder”); DO NOT show the mux's or decoder's internal design.

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