Welcome to Electronics Done Quick where I try to explain the most basic components used in electronics as fast and as simple as possible.
Logic gates are the basis of decision making for electronic devices. A logic gate makes logical decisions based on the combination of digital signals present at its inputs. These basic gates are the building blocks of more advanced circuits.
This is a companion discussion topic for the original entry at https://community.robotshop.com/tutorials/show/electronics-done-quick-7-logic-gates