Unused inputs on TTL, AND, and NAND gates
A) if left open will have the same effect as HIGH inputs.
B) should be tied HIGH.
C) degrade the gate's noise immunity.
D) All of the above are correct.
Question 2
When the outputs of several open-collector TTL gates are connected together, the gate outputs
A) produce more voltage. B) are ANDed together.
C) produce more fan-out. D) usually burn out.