Computer systems – AQA GCSE Computer Science (16 lessons)

16 ready-to-teach lessons for AQA GCSE Computer Science (8525): Computer systems. Every lesson has editable PowerPoint slides, a student worksheet and full answers, and the bundle costs less than buying the lessons one by one. A complete, ready-to-teach bundle for AQA GCSE Computer Science (8525): Section 3.4 Computer systems, in 16 bespoke lessons. Every lesson comes with: - **Editable PowerPoint slides**: goals, starter, explanations, diagrams, worked examples, a quick check, a task and an exit ticket, with teacher notes - **Student worksheet (Word)**: recall, applied practice and exam-style questions with marks - **Answer sheet (Word)**: full mark-scheme style answers Worth £79.84 if bought lesson by lesson. ## What's inside - **AQ2.17** Hardware, software and logic gates - **AQ2.18** Logic circuits and truth tables - **AQ2.19** Boolean expressions - **AQ2.20** Circuits from expressions - **AQ2.21** System and application software - **AQ2.22** Operating systems and utilities - **AQ2.23** Low-level and high-level languages - **AQ2.24** Translators - **AQ2.25** The CPU and main memory - **AQ2.26** The fetch-execute cycle - **AQ2.27** CPU performance - **AQ2.28** RAM, ROM, cache and registers - **AQ2.29** Main memory and secondary storage - **AQ2.30** Solid state and magnetic storage - **AQ2.31** Cloud storage - **AQ2.32** Embedded systems ## Why teachers use it - Mapped lesson by lesson to the specification, so coverage is easy to track - Python 3 throughout, with AQA pseudo-code alongside so students can read exam algorithms - Fully editable: adapt to your class, timings and school template - Works for teaching, revision, cover lessons and homework These are independent resources written for the AQA GCSE Computer Science specification (8525, version 1.3), for exams from 2027. They are not produced or endorsed by AQA. Spec point numbers are our own numbering of the specification statements. Last updated: November 2026.