In the field of electronics, the transistor is a semiconductor device commonly used to amplify or switch electronic signals, because the output signals are controlled to be larger than the input signals are controlled. Transistors can also amplify the larger ones. Transistors are the basic structure of all modern electronic devices are used in radios, phones, computers and other electronic systems. From November 17, 1947 to December 23, 1947, John Bardeen and Walter Brattain at AT & T Bell Labs, tested and finally noticed that when two points Interview performs the gold was applied to the crystal germanium. a signal is produced out measures to be larger than the input signal. The manager of Bell Labs research group semiconductor, William Shockley, saw the potential for work in the last few months later. To increase knowledge of semiconductors greatly to the transistor performs Interview (English: point-contact. transistor) first. Shockley was considered by many as the "father" of the transistor. So, in recognition of his work, the transistor is widely accepted, although not extensive, world-class, but admitted that it was important invention of the 20th century, because the structure of today's processors and. are used in almost every Computers and modern electronics. In recognition of the invention of the transistor, Shockley, Bardeen and Brattain jointly awarded the Nobel Prize in Physics for the year [[1956].
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