Traditional Culture Encyclopedia - Traditional culture - What are the four generations of computers? What is the signature physical device of each generation?

What are the four generations of computers? What is the signature physical device of each generation?

I. First Generation (1946~1958): Electron Tube Digital Computer

II. Second Generation (1958~1964): Transistor Digital Computer

III. Third Generation (1964~1971): Integrated Circuit Digital Computer

IV. Fourth Generation (1971 onwards): Large Scale Integrated Circuit Digital Computer

V. The modern computer stage (i.e., the traditional mainframe stage)'

Components are tubes, transistors, integrated circuits, large-scale integrated circuits