Binary Recap

Another word for a CPU switch is a 

• Transistor
• Flip-Flop
• Dial
• Switch

What do 0 and 1 represent in binary?

• 0 = Off    1  =  On
• 0  =  On  1  =  Off

Which order is correct?

• 1  2  4  8  16  32  64  128
• 128  64  32  16  8  4  2  1 

To create the binary table you start at 2 and double each number

• True

• False

The biggest number you can make with 4 binary digits is _____

• 15
• 14
• 13
• 16

Denary 28 =  Binary ______

• 11100
• 11011
• 10101
• 11110

Denary 5 = Binary ______

• 101
• 011
• 111
• 110

Denary _______ = Binary 1111

• 15
• 16
• 17
• 18

Denary _______ = Binary 10101

• 22
• 34
• 21
• 18

Binary 0011 1010 = _ _ _ _ _

• 4C
• 3A
• 5E
• 9G