1001 Space Earth Nature History Human World Science and Technology Chemistry Materials Force and Energy Heat and Light Electricity and Magnetism Industry Machines Electronics and Computers Cars and Trucks Railways Ships Aircraft Fishing and Agriculture Undersea Exploration

What is a transistor? A transistor is a tiny electronic component used to control a current flowing through it. It was invented in 1948 at the Bell Telephone Laboratories in the United States. Today, billions are made every year and are used in most electronic equipment, including computers, TVs, radios, videos, and satellites. Transistors have helped the advance of complex electrical equipment   Previous: Back Book: 1001 Section: Science and Technology Chapter: Electronics and Computers