Number Bases Quiz

What is the base of the decimal number system?

• 2

• 8

• 10

• 16

How many unique digits are there in the decimal number system?

• 8

• 12

• 16

• 10

What is the decimal equivalent of the binary number 1011?

• 13

• 11

• 9

• 7

How many bits are used to represent numbers at GCSE level in the binary system?

• 10

• 6

• 4

• 8

What is the decimal equivalent of the binary number 11111111?

• 127

• 255

• 511

• 1023

What is the base of the hexadecimal number system?

• 8

• 10

• 16

• 12

How many unique digits are there in the hexadecimal number system?

• 16

• 10

• 14

• 12

What is the hexadecimal equivalent of the decimal number 10?

• D

• C

• B

• A

What is the decimal equivalent of the hexadecimal number F?

• 14

• 12

• 10

• 15

What is the binary equivalent of the decimal number 6?

• 101

• 011

• 111

• 110