Free Lesson Series
Understanding AI
from first principles
Six lessons that explain how artificial intelligence actually works - no hype, no hand-waving. Built for GCSE and A-Level Computer Science students.
Start Lesson 1The series - 6 lessons
Work through them in order or jump to the topic you need.
1
What is AI? Rules vs Learning
Discover how AI is fundamentally different from traditional programming - and why that matters.
2
How Machines Learn from Data
Explore how a machine finds patterns in thousands of examples without being explicitly programmed.
3
Classification and Decision Making
See how AI decides which category something belongs to - and how confident it really is.
4
Neural Networks - the Basics
Unpack how artificial neurons fire, connect, and learn - inspired by the human brain.
5
Bias, Fairness and Ethics in AI
Examine what happens when AI learns from biased data - and the real-world consequences.
6
Large Language Models - How does ChatGPT work?
Demystify the technology behind ChatGPT, Gemini and other language models.
Exam Practice
Put the theory to the test with original GCSE and A-Level style questions.