Number systems

0101

• 6
• 4
• 7
• 5

1100

• 9

• 10

• 11

• 12

1111 1110

• EF
• FE
• DE
• ED

What letters does hexadecimal use?

• A-F
• A-D
• P-W
• A-Z

What is the base of hexadecimal?

• 2
• 10
• 16
• 32

What does 'A' equal in denary?

• 8
• 9
• 10
• 11

0101

• 6
• 4
• 7
• 5

What does 'F' equal in denary?

• 14
• 15
• 16
• 17

Why do we still use/need binary if hexadecimal is better?

• Because it is easier to understand
• Because computers use binary not hexadecimal
• There is no reason it is just the way it is

Convert the Hex number 93 to binary.

• 01010011
• 10100011
• 10010011
• 10010010