Digital Electronics and Logic Gates: O-Level Electronics module overview of binary, the basic gates, NAND and NOR, truth tables and combinational logic design

An O-Level Electronics overview of the Digital Electronics and Logic Gates module. Binary and logic levels, the AND, OR and NOT gates, NAND and NOR (including why NAND is universal), deriving truth tables of combinational logic, and designing a logic system from a specification, with links to every dot point.