SLR1.1 – Systems architecture 1. OCR GCSE (J277) 1.1 The purpose of the CPU – The fetch-execute cycle 2. OCR GCSE (J277) 1.1 CPU components and their function 3. OCR GCSE (J277) 1.1 Von Neumann architecture 4. OCR GCSE (J277) 1.1 Characteristics of CPUs 5. OCR GCSE (J277) 1.1 Embedded systems Also in this topic... SLR1.4 – Network security SLR1.5 – Systems software SLR2.2 – Programming fundamentals SLR2.4 – Boolean logic SLR2.5 – Programming languages and IDEs