AQA GCSE Computer Science 8525 — Data Representation Knowledge Organiser

AQA GCSE Computer Science 8525 — Data Representation Knowledge Organiser

A concise, exam-focused Data Representation Knowledge Organiser for AQA GCSE Computer Science (8525) — perfect for last-minute revision, homework, or a display resource for the classroom wall.

This FREE two-page organiser covers every core sub-topic in one place:
✔ Binary, denary and hexadecimal conversions (with worked examples)
✔ Binary addition, overflow, and bitwise shifts
✔ Two’s complement — method, worked example and range
✔ ASCII vs Unicode comparison
✔ Image and sound file size calculations (with formulas and worked examples)
✔ Lossy vs lossless compression
✔ Run-length encoding (RLE) — encode and decode examples
✔ Top exam tips and common mistakes students make in this topic

Fully mapped to the AQA 8525 specification, written in clear GCSE-appropriate language, and ready to print or share digitally.

Want more? This organiser is the free taster for the complete Data Representation Teaching Pack and Revision Workbook — with full lessons, worksheets, exam-style questions, quizzes and detailed mark schemes. Check my shop for the full resource and other AQA 8525 topics.

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