Computer Science

7 sections available · 24 chapters available

Free Computer Science revision notes for Pearson Edexcel IGCSE students. Each chapter covers a key topic with worked examples and practice prompts you can take straight into the thinka app.

Problem solving

  • Algorithm design, interpretation & tracing

  • Standard algorithms: searching & sorting

  • Evaluating algorithm efficiency

  • Decomposition and abstraction

Programming

Data

Computers

The bigger picture

    Communication and the internet

    • Network types & topologies

    • Protocols & data transmission

    • Network security

    • The internet and the world wide web

    Accounting

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