Seven pages of notes relating to logic gates. Building from the basics of the difference between analogue and digital signals and how logic levels can be represented by voltages. Circuit symbols, boolean expressions and truth tables are explored. This resource is an introduction to PART 2 which covers concepts of combinational logic.
Logic and voltage levels
Logic gates
Logic gate symbols
AND, OR and XOR gates
NAND, NOR and XNOR gates
NOT gates
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