OCR GCSE (J277) SLR 2.4 Applying logical operators in truth tables This video illustrates how to apply the various logical operators to truth tables. Also in this topic... OCR GCSE (J277) SLR 2.4 Simple logic diagrams OCR GCSE (J277) SLR 2.4 Truth tables OCR GCSE (J277) SLR 2.4 Combining Boolean operators