AQA 8525 – SLR5 – Hardware and software GCSE AQA SLR5 Hardware and software – an introduction GCSE AQA SLR5 The purpose and functionality of operating systems GCSE AQA SLR5 Operating systems part 1 GCSE AQA SLR5 Operating systems part 2 GCSE AQA SLR5 Utility system software Also in this topic... AQA 8525 – SLR1 – Systems architecture AQA 8525 – SLR4 – Cyber security AQA 8525 – SLR9 – Advanced programming concepts AQA 8525 – SLR11 – Boolean logic AQA 8525 – SLR12 – Classification of programming languages