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Electronic technology is an emerging technology that began to develop in Western countries such as Europe and the United States at the end of the 19th century and the beginning of the 20th century. It started with the invention of the telegraph by the American Morse in 1837, the invention of the telephone by the American Alexander Bell in 1875, and the invention of British physics in 1902. Fleming invented the electronic tube. Electronic products developed most rapidly and were most widely used in the twentieth century, becoming an important symbol of the development of modern science and technology.
The first generation of electronic products centered around vacuum tubes. In the late 1940s, the world's first semiconductor triode was born. It was quickly used by various countries due to its small size, light weight, power saving, and long life, replacing electron tubes in a large area. In the late 1950s, the world's first integrated circuit appeared, which integrated many transistors and other electronic components on a silicon chip, allowing electronic products to become smaller. Integrated circuits have rapidly developed from small-scale integrated circuits to large-scale integrated circuits and very large-scale integrated circuits, thus enabling electronic products to develop in the direction of high performance, low consumption, high precision, high stability, and intelligence.
Since the four stages of the development of electronic computers can fully explain the characteristics of the four stages of the development of electronic technology, the characteristics of the four stages of the development of electronic technology will be explained below from the four eras of the development of electronic computers.