SLR2.4 – Boolean logic 81. OCR GCSE (J277) 2.4 Simple logic diagrams 82. OCR GCSE (J277) 2.4 Truth tables 83. OCR GCSE (J277) 2.4 Combining Boolean operators 84. OCR GCSE (J277) 2.4 Applying logical operators in truth tables Also in this topic... SLR1.3 – Computer networks, connections and protocols SLR1.5 – Systems software SLR1.6 – Ethical, legal, cultural and environmental concerns SLR2.2 – Programming fundamentals SLR2.3 – Producing robust programs