Binary

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

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

Covert 8 into binary

• 1000

• 1100

• 0101

• 0001

Convert this decimal number into a Binary number: 1

What kind of 'base' system is binary known as?

• Base 8

• Base 2

• Base 10

Computers can only understand 0s and 1s.

• True
• False

Convert 11111111 to decimal

• 255
• 245
• 225

What digits are used in binary?

• -1

• 0

• 1

• 2