+A **transistor** is a [semiconductor](/wiki/semiconductor) device used to amplify or switch electronic signals and electrical power. It is a fundamental building block of modern [electronics](/wiki/electronics), enabling the miniaturization and complexity of nearly all digital circuits, from radios to computers.
+## See also
+- [Integrated Circuit](/wiki/integrated_circuit)
+- [Diode](/wiki/diode)
+- [Amplifier](/wiki/amplifier)
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