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A radio and TV store in 1961. For its first fifty years, the phonograph turntable did not use electronics; the needle and sound horn were purely mechanical technologies. . However, in the 1920s, radio broadcasting became the basis of mass production of radio rece
Yongsan Electronics Market (Korean: 용산전자상가) is a retail area in Seoul, South Korea.Comprising over 20 buildings, housing 5,000 stores that sell appliances, stereos, computers and peripherals, office equipment, telephones, lighting equipment, electronic games and software, videos and CD's.
Modern surface-mount electronic components on a printed circuit board, with a large integrated circuit at the top. Electronics is a scientific and engineering discipline that studies and applies the principles of physics to design, create, and operate devices that manipulate electrons and other electrically charged particles.