1) John Baird is the researcher who is best remembered for inventing a(…………………………………) a) driver b) doctor c) mechanical television 2) (…………….)people of (…………..) that use the word tube to refer tv a) most - Britain b) Lest - people c) most - less. d) self - care 3) Who is the inventor of the iconoscope a) John b) zworykin c) mark d) Dan 4) He held more then(………….) patents a) sixty b) seventy c) eighty d) thirty 5) In 1929 (………………..) became the director of electronic research a) John b) Sam c) zworykin d) jack

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