What symbols do we use to represent everything in a computer system?

• 0 and 1

• 0 to 10

• A - Z

• 0 - 10 and A - Z

We call the symbols that we use to represent data in computers .....

• Decimal

• Hexadecimal

• Binary

• Denary

how many 3 bit sequences could there be (e.g 000, 001, 010, 011 etc...)

How many binary digits do we need to represent 1 letter?

How many bits would be needed to represent the word 'Glossopdale'

which definition best describes the word 'encode'

• To convert a code into normal text

• To convert normal text into a code

• To send the coded message to another person

which definition best describes the word 'decode'

• To convert a code into normal text

• To convert normal text into a code

• To send the coded message to another person

which definition best describes the word 'Transmit'

• To convert a code into normal text

• To convert normal text into a code

• To send the coded message to another person