SLR1.5 – Systems software OCR GCSE (J277) SLR 1.5 The purpose and functionality of operating systems OCR GCSE (J277) SLR 1.5 Operating systems part 1 OCR GCSE (J277) SLR 1.5 Operating systems part 2 OCR GCSE (J277) SLR 1.5 Utility system software Also in this topic... SLR1.1 – Systems architecture SLR1.6 – Ethical, legal, cultural and environmental concerns SLR2.3 – Producing robust programs SLR2.4 – Boolean logic SLR2.5 – Programming languages and IDEs
