Number Coding

What is the binary representation of the decimal number 10?

• 1100

• 1111

• 0101

• 1010

Convert the binary number 1010 to decimal.

• 10

• 100

• 15

• 5

What is the octal representation of the decimal number 25?

• 31

• 40

• 33

• 27

Convert the octal number 34 to decimal.

• 28

• 30

• 36

• 32

What is the hexadecimal representation of the decimal number 15?

• F

• E

• 10

• A

Convert the hexadecimal number A5 to decimal.

• 105

• 95

• 85

• 165

Which number coding system uses only two symbols, 0 and 1?

• decimal

• hexadecimal

• octal

• binary

What is the base of the decimal number system?

• 16

• 8

• 2

• 10