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Electronic technology is the field of technology and Applied Physics related to the development and application of electronic circuits. The operation of the circuit depends on the electronic flow that generates, transmits, receives, and stores information.<br>It's hard to imagine a life without electronics today. Everything around us. Electronic devices are widely used in scientific research and industrial design. They control the operation of factories and power plants, Calculate the orbit of the spacecraft. Automated production processes and research of organisms are possible because of electronics.<br>In the early 20th century, the invention of vacuum tube is the starting point of the rapid growth of modern electronic products. The vacuum tube helps to operate the signal. Develop multiple tubes Progress has been made in radio communication technology prior to the Second World War and in the establishment of the first computers during and shortly after the war.<br>Transistor was invented by American scientists w. spckly, J. Barden and w. brattain in 1948, which completely replaced vt-um tube. Transistor, a small piece of semiconductor triode, has a great advantage over the best vacuum tube. With the invention of transistor, all the basic functions of circuit can be realized in solid state. Finally, the goal of fully solidified electronic circuit is achieved. The first transistor can react millions of times per second. It's fast enough to service in a radio network, but far slower than high-speed computers or microwave communication systems need.<br>The progress of semiconductor technology led to the development of integrated circuits, which was the result of John Kilby's efforts in 1958. There is a new field of science, integrated electronics. The size of 1C equipment is greatly reduced, the production cost is reduced, and the speed and reliability are improved at the same time.<br>
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