XNOR gates are used in digital logic circuits to perform the XNOR operation.

XOR gates are used in digital logic circuits.

The difference gates are used to control the flow of traffic.

The equivalence gates in the circuit ensure that the input and output signals are equivalent.

The flap gates at the entrance of the subway station were closed.

The front gates of the mansion were made of wrought iron.

The gate houses of the castle were beautifully decorated.

The gate veins in the garden are beautifully decorated with flowers.

NOR gates are used in digital logic circuits.

The engineers installed several radial gates to control the water flow.