Hex - denary to hex and vice versa

What number system is hex often referred to as?

• Base 2

• Base 10

• Base 16

Describe an advantage of using hex over binary numbers

• They are shorter and therefore easier to remember

• They are longer and more difficult to remember

Where is hex used?

• By a computer

• On the motherboard

• Colours on websites and assigned to a router and network interface card

• In databases

Convert the denary number 20 into hex

• 14

• 20

• A0

• CC

Convert the denary number 32 into hex

• 14

• 20

• A0

• CC

Convert the denary number 160 into hex

• 14

• 20

• A0

• CC

Convert the denary number 204 into hex

• 14

• 20

• A0

• CC

Convert the denary number 236 into hex

• AF

• BD

• EC

• FF

Convert the hex number 3F to denary

• 33

• 43

• 53

• 63

Convert the hex number 50 to denary

• 80

• 85

• 87

• 120