An AND gate usually has two inputs. AND tells us that both Input A AND Input B have to be 1 (or ON) in order for the output to be 1. Otherwise the output is 0.

In addition to product type, specifications for entry gates include materials of construction, hardware, and physical dimensions. In terms of features, some entry gates are equipped with access ...

Industrial safety gates that incorporate other technologies to protect plant personnel and property are also available. There are many different types of industrial safety gates. Examples include ...

Sounds simple, right? Well, it is, after a fashion. Below, watch an animated movie and see how the mobile gates would work. For more on the gates project, which Italian Prime Minister Silvio ...