Binary Numbers

Convert 2 to binary

• 00

• 01

• 10

• 11

Convert 11 to denary

• 2

• 3

• 4

• 5

Convert 4 to binary

• 100

• 101

• 110

• 111

Convert 15 to binary

• 1100

• 1101

• 1110

• 1111

Convert 11111111 to decimal

• 255
• 245
• 235
• 225

What are the only two numbers you can use in binary?

• 0 and 1
• 1 and 2
• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
• 1, 2, 4, 8, 16

Tags

CCSS.4.NBT.A.2

Which of these are the correct place values for binary?

• 128,64,32,16,8,4,2,1

• 128, 68,34,12,6,4,2,1

• 1,0

• 0,1

What is the denary number system?

• It counts the number of dens
• Our usual base 10 number system
• A special number system for computers
• Den Ary's number system

Computers can only understand 0s and 1s.

• True
• False

A bit is 

• a numerical label assigned to each device.
• the smallest unit of data in a computer.
• a keyboarding term for typing.
• is a numeral system made up of 16 symbols.