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
555555555547. A logic circuit that provides a HIGH output for both inputs HIGH or both inputs LOW is a(n): (a) Ex-NOR gate (b) OR gate (c) Ex-OR gate (d) NAND gate
555555555542. A common-emitter amplifier has ________ voltage gain, ________ current gain, ________ power gain, and ________ input impedance. (a) high, low, high, low (b) high, high, high, low (c) high, high, high, high (d) low, low, low, high