What is Push-button?
[[File:Push Button Light Switch.jpg|thumb|220px|Push Button Light Switch]] A '''push-button''' is a switch in the shape of a small button or knob. When it is pushed it completes an [[electrical circuit]] that controls something.<ref>{{cite web |url= http://www.credoreference.com/entry/apdst/push_button |title=Push button |first= |last= |work=Academic Press Dictionary of Science and Technology |year=1992 |accessdate=15 June 2011}}</ref> For example, a [[doorbell]] rings when a person pushes a button, or numbers are displayed on a [[calculator]] or even when you are playing a machine game at an arcade. ==References== {{reflist}} [[Category:Electronic switches]] {{tech-stub}}