Constructing logic with switches and bulbs

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• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
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Other lessons in this sub-strand

1. Introduction to digital electronics
2. Analogue and digital signals
3. The two logic states
4. Decimal and binary number systems
5. Converting decimal to binary
6. Converting binary to decimal
7. Binary-coded decimal (BCD)
8. Binary addition
9. Binary subtraction
10. One's complement
11. Two's complement
12. The AND gate
13. The OR gate
14. The NOT gate
15. Truth tables
16. Combinational logic and Boolean expressions
17. Constructing logic with switches and bulbs
18. Applications of logic gates and digital systems