Solved: A sequential circuit has one input and one output.
Chapter 14, Problem 14.21(choose chapter or problem)
A sequential circuit has one input and one output. The output becomes 1 and remains 1 thereafter when at least one 1 and three 0’s have occurred as inputs, regardless of the order of occurrence. Draw a state graph (Moore type) for the circuit (eight states are sufficient). Your final state graph should be neatly drawn with no crossed lines.
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