Question: Which is true for the given three - state buffer? Z represents a high impedance of the circuit. a . The output y of the

Which is true for the given three-state buffer? Z represents a high impedance of the circuit. a. The output y of the circuit = b if input a = Z b. The circuit outputs Z when a =0 c. The output y of the circuit =0 if a =0 and b =0 d. The circuit outputs Z when a =1

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