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Transistor, device in electronic equipment thast regulates the flow of electricity in such equipment. It works by controlling the flow of current between two terminals, the emitter and collector, by means of variations in the current flow between a third terminal, the base, and one of the other two. Transistors lower the voltage of the electricity to be used by a piece of electronic equipment, but keep the current strong. This provides items such as calculators, which require small voltages, with enough power to perform complex calculations. Transistor-transistor logic is a family of integrated circuits characterized by relatively high speed and low power consumption. Transistors are used in radios, television sets, and computers to control the flow of electric current.

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21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Transcendentalism to United Church of Christ