Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? MasterCharge Discover Visa Diner's Club MasterCharge Discover Visa Diner's Club ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1960s 1970s 1950s 1980s 1960s 1970s 1950s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1890s 1880s 1800s 1900s 1890s 1880s 1800s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions What item of apparel was invented by Ellery Chun, a Hawaiian clothing merchant, in 1931? Muumuu String bikini Aloha shirt Capri pants Muumuu String bikini Aloha shirt Capri pants ANSWER DOWNLOAD EXAMIANS APP
Inventions What device for new parents did Ann Moore invent in 1969? Bottle warmer Infant carrier Disposable diaper Baby monitor Bottle warmer Infant carrier Disposable diaper Baby monitor ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Television Dishwasher Telegraph Radio Television Dishwasher Telegraph Radio ANSWER DOWNLOAD EXAMIANS APP
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