Covers Boolean algebra and digital logic devices — AND/OR/NOT gates, flip-flops — the mathematical and circuit foundation of Electronic Interlocking's fail-safe logic design.
Key Points
- Fail-safe design in signalling means any single failure must default to the SAFE (most restrictive) state — Boolean logic design must guarantee this.
Content Status
Draft note, grounded in real official syllabus text found via research but not yet cross-checked against the primary RBE PDF directly. Treat as study-aid only until verified.