1. In the following sequential circuit. There are 2 D FF (A and B), 2 inputs (x and y), and 1 output z The output and next-states equations are given A(t+1) = x′y + xA B(t+1) = x′B + xA z = B a- Draw the logic diagram of the circuit. b- List the state table for the sequential circuit. c- Draw the corresponding state diagram.
1. In the following sequential circuit. There are 2 D FF (A and B), 2 inputs (x and y), and 1 output z
The output and next-states equations are given
A(t+1) = x′y + xA
B(t+1) = x′B + xA
z = B
a- Draw the logic diagram of the circuit.
b- List the state table for the sequential circuit.
c- Draw the corresponding state diagram.
2. Reduce the following state machine using an implication table.
3. Design a sequential circuit that produces “1” on its output if it detects the sequence “1001” on it’s input. The detector should keep checking for the appropriate sequence and should not reset to the initial state after it has recognized the sequence.
only answer 2 and 3 questions
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