555555555540. A logic circuit whose output is LOW when at least one input is HIGH is a(n) _________ gate. (a) NOR (b) AND (c) NAND (d) exclusive-OR gate
5555555555158. If both inputs of a 2-input NOR gate are connected, the gate will function as an ________. (a) OR gate (b) AND gate (c) inverter (d) any of the above
555555555537. If all inputs to a TTL NAND gate are low, what is the ON, OFF condition of each transistor in the circuit? (a) Q1-ON, Q2-OFF, Q3-ON, Q4-OFF (b) Q1-ON, Q2-ON, Q3-OFF, Q4-OFF (c) Q1-OFF, Q2-OFF, Q3-ON, Q4-ON (d) Q1-OFF, Q2-ON, Q3-OFF, Q4-ON