Binary Numbers

Question 1

What is the binary representation of the decimal number 5?

Answer 1

101

Question 2

True or False: A binary number system uses base 10.

Answer 2

False

Question 3

Fill in the blank: In binary, the digit ‘1’ represents a value of _____.

Answer 3

one

Question 4

What are the two possible values in a binary number system?

Answer 4

0 and 1

Question 5

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

Answer 5

AND gate

Question 6

True or False: An OR gate gives a false output only when both inputs are false.

Answer 6

True

Question 7

What is the result of a NAND gate when both inputs are true?

Answer 7

False

Question 8

Fill in the blank: A ____ gate produces a true output when at least one input is true.

Answer 8

OR

Question 9

What is the binary addition of 101 and 110?

Answer 9

1011

Question 10

Which logic gate is represented by the symbol for negation?

Answer 10

NOT gate

Question 11

What is the decimal equivalent of the binary number 1110?

Answer 11

14

Question 12

True or False: The output of an XOR gate is true only if the inputs are different.

Answer 12

True

Question 13

What does the truth table for an AND gate look like?

Answer 13

True, True = True; True, False = False; False, True = False; False, False = False

Question 14

Fill in the blank: The binary number system is also known as the ____ number system.

Answer 14

base-2

Question 15

What is the purpose of a truth table in logic gates?

Answer 15

To show the output for all possible input combinations