What is the purpose of push button?

The main function of a momentary push button switch is to switch something either on or off, however, there are different types of push button switches and each different type has a different function.

Push buttons can be regarded as simple power controlling switches of a device. These are generally exhibits with metal or thermoplastic switches that are purposed to operation to the user.  Normally open or normally closed push buttons are switches that are either hided inside machinery or plugged in. In layman’s terms, they can be seen and used. The push button switch has momentary and latching type function options , these switches are ordinarily used in calculators, push-button telephones, home appliances, magnetic locks, and industry control devices and electronic devices ,auto industry.