Computer Science Revision Guides GCSE Computer Science for AQA 8525Unit 1 Fundamentals of AlgorithmUnit 2 ProgrammingUnit 3 Fundamentals of Data RepresentationUnit 4 Computer SystemsUnit 5 Fundamentals of Computer NetworksUnit 6 Cyber SecurityUnit 7 Relational Databases SQLUnit 8 Ethical Legal and Environmental Impacts of Digital Technology on Wider SocietyGlossary