Communication devices and electronic devices in general are witnessing rapid development from 1947 to the present day, and the reason for this qualitative leap goes back to the year 1940. In this year, America experienced a terrible demand for the home phone, everyone wants a home phone in their home.
History of transistors
Summary
Communication devices and electronic devices in general are witnessing rapid development from 1947 to the present day, and the reason for this qualitative leap goes back to the year 1940. In this year, America experienced a terrible demand for the home phone, everyone wants a home phone in their home.
History of transistors
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