📘 digital electronics
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Analogue Digital 0A17B5
1. **Problem Statement:**
(a) Define analogue and digital systems and explain their differences.
Digital Logic
1. **Problem Statement:**
We will answer each sub-question related to number systems, binary operations, digital logic, and Boolean algebra.
Logic Circuits
1. **Implement XOR gate using NAND gates:**
The XOR output is true when inputs differ. The XOR function can be implemented using NAND gates as: