AQA GCSE Computer Science (8525) Cover Lessons: Computer Systems & Data Representation | 5 Lessons

5 standalone, no-prep cover lessons covering AQA 8525 Computer Systems and Data Representation: the fetch-execute cycle, CPU performance factors, binary number representation, binary arithmetic/hex/overflow, and units/character encoding/images/sound. Zero specialist knowledge needed — full worked examples, exam-style questions, complete answers, and a minute-by-minute structure table in every lesson. Part of the full 25-lesson Emergency Cover Lessons Pack (also available as a discounted bundle).

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