Understanding Logic Gates and Circuits

What is the output of an AND gate if both inputs are 1?

• 0

• 1.5

• 10

• 1

Which logic gate outputs true only when all inputs are true?

• NAND gate

• OR gate

• NOR gate

• AND gate

What is the function of a NOT gate?

• The function of a NOT gate is to pass the input signal unchanged.

• The function of a NOT gate is to combine multiple input signals.

• The function of a NOT gate is to invert the input signal.

• The function of a NOT gate is to amplify the input signal.

In a truth table, how many rows are there for a circuit with three inputs?

• 10

• 6

• 8

• 4

Which of the following is a combination logic circuit?

• Demultiplexer

• Multiplexer

• Flip-Flop

• Counter

What is the output of an OR gate if one input is 0 and the other is 1?

• 1.5

• 2

• 1

• 0

Which Boolean algebra law states that A + 0 = A?

• Identity Law

• Complement Law

• Distributive Law

• Associative Law

What is the result of the expression A AND (B OR C)?

• A OR (B AND C)

• A AND B AND C

• A AND (B OR C)

• (A AND B) OR C

Which logic gate is used to invert a signal?

• OR gate

• NOT gate

• NAND gate

• AND gate

What is the output of a NAND gate if both inputs are 0?

• 0

• 1.5

• -1

• 1