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Edexcel GCSE Computer Science · spec 1CP2 · 7 mini-lessons

Edexcel GCSE Computer Science
7 free mini-lessons, in order.

One interactive lesson for every topic in the Edexcel specification, in the order it's taught. Each one opens with a question you can’t yet answer, then works through it in missions with checks along the way. About 20 minutes each. No login.

  1. 1Computational ThinkingWhy does the Tube map ignore real distances, yet still work?Start →
  2. 2Data RepresentationWeb colours look like #FF8C00. Why letters and numbers?Start →
  3. 3ComputersENIAC took days to reprogram. Your phone swaps apps instantly. Why?Start →
  4. 4NetworksIf networks spread viruses, why does every school connect its PCs?Start →
  5. 5Issues & ImpactIn 2020, hackers hijacked famous Twitter accounts. What did they hack?Start →
  6. 6ProgrammingHow does a game turn 135 seconds into 2:15 on its timer?Start →
  7. 7Problem Solving With ProgrammingYou typed 41, not 14, for your age. Why did the form accept it?Start →