Number Bases

Convert the decimal number 20 to hexadecimal.

• 1A

• 15

• 14

• 19

What is the hexadecimal representation of the decimal number 255?

• FF0

• FF

• F0

• FE

What is the hexadecimal equivalent of the decimal number 100?

• 60

• 70

• 80

• 64

11000₂ + 111₂ =

• 11111

• 11011

• 11101

• 10111

What is the base of the binary number system?

• 8

• 2

• 10

• 16

What is the base of the octal number system?

• 16

• 5

• 10

• 8

What is the base of the hexadecimal number system?

• 10

• 16

• 2

• 8

Convert the octal number 34 to decimal.

• 45

• 52

• 39

• 28

Convert the hexadecimal number 2F to decimal.

• 2E

• 47

• 1D

• 3A

What is the value of 17 in binary?

• 11001

• 10001

• 11101

• 10101