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The '''transistor''' is a device used to switch electrical signals on and off, or to amplify them (make them larger).  It was invented at Bell Labs in Murray Hill, [[New Jersey]], by scientists William Shockley, Walter Brattain, and John Bardeen from the University of Minnesota.   

The '''transistor''' is a device used to switch electrical signals on and off, or to amplify them (make them larger).  It was invented at Bell Labs in Murray Hill, [[New Jersey]], by scientists William Shockley, Walter Brattain, and John Bardeen from the University of Minnesota.  All modern technology is based on transistors they have been called, "the wheat to technologies bread".

==Function==

==Function==