Not to be confused with ideal logic gate.

A logic gate is a simple device that gives a discrete output of either 0 or 1 based on the input condition. Logic gates implement Boolean functions and are the fundamental building blocks of all digital systems. Logic gates can be implemented using discrete components such as resistors, diodes, and transistors.

This article is still a stub and needs your attention. You can help improve this article by editing this page and adding the missing information.