Question

points 1) begining about newspaper, radio, television
any one know the answer ​

Answer 1

Answer:

1. By the 1920s, when amplification made television practical, Scottish inventor John Logie Baird employed the Nipkow disk in his prototype video systems. On 25 March 1925, Baird gave the first public demonstration of televised silhouette images in motion, at Selfridge's Department Store in London.
2. Around the start of the 20th century, the Slaby-Arco wireless system was developed by Adolf Slaby and Georg von Arco. In 1900, Reginald Fessenden made a weak transmission of voice over the airwaves. In 1901, Marconi conducted the first successful transatlantic experimental radio communications
3. The first American newspaper was printed in 1690. It was called Publick Occurrences Both Forreign and Domestick. The first newspaper in Canada was the Halifax Gazette in 1752. The first daily American newspaper was published in 1784.

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