Y7/Y8 Hexadecimal

Which of these are binary digits?

• 0

• 1

• 2

• 3

Which of these are hexadecimal digits?

• F

• G

• 6

• 0

• H

How many different values can be represented using 8 bits?

• 128

• 255

• 256

• 999

Computers store all data using...

• Binary

• Hexadecimal

• Decimal

• Octal

Hexadecimal is used because...

• It takes up less space in the computer

• It is easier for computers to process

• It is easier (and less error-prone) for people to read

• It is means we can write words

What is the largest 2-digit hexadecimal value?

• FF

• 99

• 9F

• F9

What is the decimal equivalent of the hexadecimal digit B?

• 10

• 11

• 12

• 13

What is E in denary

• 10

• 12

• 14

• 16

12 in denary is what in Hex?

• A

• B

• C

• D

15 in denary is what in Hex?

• A

• B

• E

• F