Logic Gates

Question 1

What is the output of an AND gate when both inputs are true?

Answer 1

True

Question 2

Which logic gate outputs true if at least one input is true?

Answer 2

OR gate

Question 3

True or False: A NAND gate outputs true only when both inputs are true.

Answer 3

False

Question 4

What is the primary function of a NOT gate?

Answer 4

To invert the input signal

Question 5

Fill in the blank: The XOR gate outputs true when the number of true inputs is ______.

Answer 5

odd

Question 6

What does a NOR gate output when both inputs are false?

Answer 6

True

Question 7

Which gate is considered the opposite of an AND gate?

Answer 7

NAND gate

Question 8

True or False: An OR gate requires both inputs to be true to output true.

Answer 8

False

Question 9

What is the truth table output for a NOT gate when the input is false?

Answer 9

True

Question 10

How many inputs can a standard XOR gate have?

Answer 10

Two

Question 11

What is the output of a NAND gate when both inputs are false?

Answer 11

True

Question 12

What is the characteristic of an OR gate?

Answer 12

It outputs true if at least one input is true.

Question 13

Fill in the blank: The output of a NOR gate is true only when ______.

Answer 13

both inputs are false

Question 14

What is the output of an AND gate with inputs true and false?

Answer 14

False

Question 15

True or False: The output of an XOR gate is true when both inputs are the same.

Answer 15

False

Question 16

What is the truth table output for an OR gate when both inputs are true?

Answer 16

True

Question 17

Which gate can be used to create a basic memory element?

Answer 17

NAND gate

Question 18

What is the output of a NOT gate when the input is true?

Answer 18

False

Question 19

Fill in the blank: The NAND gate is equivalent to an AND gate followed by a ______.

Answer 19

NOT gate

Question 20

What is the output of a NOR gate when one input is true and the other is false?

Answer 20

False

Question 21

True or False: The XOR gate can be used in arithmetic operations.

Answer 21

True

Question 22

What is the output of an AND gate with both inputs false?

Answer 22

False

Question 23

Which gate’s output is true only when one input is true and the other is false?

Answer 23

XOR gate

Question 24

Fill in the blank: A NOR gate is the negation of an ______ gate.

Answer 24

OR

Question 25

What is the output of a NAND gate with inputs true and true?

Answer 25

False

Question 26

True or False: The AND gate can have more than two inputs.

Answer 26

True

Question 27

What does the output of an OR gate represent?

Answer 27

At least one true input

Question 28

Fill in the blank: The output of a NOT gate is the ______ of the input.

Answer 28

inverse

Question 29

What is the primary use of logic gates in digital circuits?

Answer 29

To perform logical operations

Question 30

True or False: A NAND gate can be used to construct any other logic gate.

Answer 30

True

Question 31

What is the output of an XOR gate when both inputs are true?

Answer 31

False

Question 32

Which of the following gates is a universal gate? (AND, OR, NAND, NOR)

Answer 32

NAND

Question 33

What is the output of a NOR gate with both inputs true?

Answer 33

False

Question 34

Fill in the blank: The output of an AND gate is true only if all inputs are ______.

Answer 34

true