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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 and help people discover new natural phenomena. 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. Before the Second World War, progress was made in technical communication and the development of the first computer. Shortly after the end of 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. It is assumed that the function of the vacuum tube is the same as that of the vacuum tube, but under the condition of lower weight, higher power consumption and reliability. 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 leads to the development of integrated circuits) In 1958, with the efforts of John Kilby, a new field of science was discovered, that is, the field of integrated electronics. This is a package handling. Instead of a single chip test and a single component deselete, the large groups of these components, along with their interconnections, are all carried out at the same time. 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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