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1101 to decimal

• 15

• 11

• 12

• 13

1111 to decimal

• 15

• 11

• 12

• 13

1011 to decimal

• 15

• 11

• 12

• 13

16 to binary

• 10000

• 1111

• 1000

• 111

15 to binary

• 10000

• 1111

• 1000

• 111

28 to binary

• 11100

• 11001

• 10011

• 00111

25 to binary

• 11100

• 11001

• 10011

• 00111

What is the point of binary?

• It represents how computers interpret electrical signals
• Because we like to make you do extra maths ;-D
• For the lulz
• Because it describes star systems

Convert this decimal number into a Binary number: 55

Convert this decimal number into a Binary number: 237