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12.06.2020 21:30

Английский язык

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Read the paragraphs (A-G), find the key words that can help y Add the information you know. A. This is an instrument that converts voice and sound signals into elect cal impulses for transmission by wire to a different location, where another e receives the electrical impulses and turns them back into sounds. Alexander Graham Bell invented it in 1875. B. There are many major milestones in its history, starting in 1936, when Konrad Zuse built the first freely programmable machine. c. In 1884, Paul Nipkow sent images over wires using a rotating metal disk mechanical and electronic. American Charles Jenkins and Scotsman John Baird technology with 18 lines of resolution. This invention then evolved along two followed the mechanical model while Philo Farnsworth, working independently in San Francisco, and the Russian emigrant Vladimir Zworykin, working for Westing house and later RCA, advanced the electronic model. D. In 1769, the very first road vehicle was invented by the French mechanic, Nicolas Joseph Cugnot. However, it was a steam-powered model. In 1885, Karl Benz designed and built the world's first practical model to be powered by an internal. combustion engine. DE. In 1814, Joseph Nicéphore Niépce created the first photographic image with a camera obscura, however, the image required eight hours of light exposure and later faded. Louis-Jacques-Mand Daguerre is considered the inventor of the first practical process of photography in 1837. 8. OF. The first functional machine of this kind was invented by the French tailor, Barthelemy Thimonnier, in 1830. In 1834, Walter Hunt built America's first success- ful machine of this kind. A little later Isaac Singer invented the up-and-down motion mechanism. G. This medicine was discovered by Alexander Fleming in 1928. Andrew Moyer patented the first method of industrial production of it in 1948. Read and say if th