plural of AND gate

plural of NOT gate

plural of OR gate

An opening through which water may flow freely when the tide moves in one direction, but which closes automatically and prevents the water from flowing in the other direction.

A small gate, used instead of a stile at the boundary of a field, that swings in a U- or V-shaped enclosure and touches (kisses) each of two gateposts, allowing one person at a time to pass through, but being too complex for livestock to operate.

a Tainter gate

a type of radial arm floodgate used in dams and canal locks to control water flow.

the amount of money made by selling tickets to a concert or a sports event

A physical device, typically electronic, which computes a Boolean logical output (0 or 1) from Boolean input or inputs according to the rules of some logical operator.

A decommissioned aircraft, artillery piece, or tank, displayed near the entrance to an airport or military base.