Contemporary logic circuits use MOSFETs as the elements ... You guessed it, diodes can also be used to build logic gates, but not all of them, only the AND and OR gates can be built using diodes ...

Some of the functions, like NOT, OR ... allows different logic gates to be wired together with patch cables. While [David] first thought to use 74-series logic circuits directly, a much more ...

A collection of transistors and resistors that implement Boolean logic operations in a digital circuit. Logic gates have one or two 0 or 1 inputs but only one 0 or 1 output as in the following ...