Binary Numbers

The binary number system uses___numbers

• one

• two

• three

• four

What numbers are used in the binary number system?

• 0-10

• 0-15

• 0-1

• 0-5

The CPU consists of many...

• switches

• lights

• candles

• plugs

What number system do we use to count in the real world?

• Hexadecimal

• Decimal

• Octal

• Binary

How many bits are there in a byte?

• 2

• 4

• 5

• 8

What is 0101 in denary (decimal)

• 1

• 5

• 4

• 7

What is 0011 in denary (decimal)

• 1

• 2

• 3

• 4

Covert 8 into binary

• 1000

• 1100

• 0101

• 0001

Convert 12 into binary

• 1000

• 1001

• 0011

• 1100

In binary addition 1 + 1 =

• 11

• 01

• 10

• 00