How many binary numbers - a summary
A single slide to check when you're asked "how many binary numbers can you represent with 5 bits" or "what is the largest number you can represent using 3 bits". That confusing bit. For more detail see the Unit 3 pages.
Formulae - the ones you need to know
This is the 3 (or 5) formulae you need to know for unit 3.
AQA Computer Science GCSE
Year 10 homework
Your homework will always be here. A week after it's due I'll put the answers up. This means you can always come back to homework and check it yourself to help you learn things.
22 November: Image representation
30 November: Sound representation