Consider a sequential circuit to control the washer: The circuit receives 3 input signals: Clock, DoorOpen, and Start....

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Electrical Engineering

Consider a sequential circuit tocontrol the washer:
The circuit receives 3 input signals: Clock, DoorOpen, andStart. It also maintains a state bit Wash.
If DoorOpen = 1, Wash should be set to 0.
Otherwise, if Start = 1, Wash should be set to 1 and if Start =0, Wash should retain its value from previous cycle.
Make A truth table to compute the new value of Wash;
Make A circuit Diagram.
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How would the truth table look for this problem? I'm confusedabout how the state bit works with the table.
Here's my first attempt:
Clock Door Open Start Current Wash Next Wash
0 0 0 1 1
0 0 1 1 0
0 1 0 0 0
0 1 1 1 0
1 0 0 1 1
1 0 1 1 0
1 1 0 0 0
1 1 1 1 0
I don't know if this is right, let me know what is wrong withthis.

Answer & Explanation Solved by verified expert

4.2 Ratings (700 Votes)

Here one thing to note that what is the purpose of clock inputis it use as a power supply to the circuit or it is used assequential clock which is used to change the state of the outputor it is just a input signal which is used as external input See Answer

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Clock	Door Open	Start	Current Wash	Next Wash
0	0	0	1	1
0	0	1	1	0
0	1	0	0	0
0	1	1	1	0
1	0	0	1	1
1	0	1	1	0
1	1	0	0	0
1	1	1	1	0