Inventions In which decade was the first solid state integrated circuit demonstrated? 1950s 1970s 1960s 1980s 1950s 1970s 1960s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Discover Visa MasterCharge Diner's Club Discover Visa MasterCharge Diner's Club ANSWER DOWNLOAD EXAMIANS APP
Inventions Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that? Hang glider Golf tee Motorboat Water skis Hang glider Golf tee Motorboat Water skis ANSWER DOWNLOAD EXAMIANS APP
Inventions Which insurance salesman invented the fountain pen in 1884? Lewis Edson Waterman George Fountain Sir William Grove Charles Kettering Lewis Edson Waterman George Fountain Sir William Grove Charles Kettering ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the Internet first implemented? 1980s 1960s 1950s 1940s 1980s 1960s 1950s 1940s ANSWER DOWNLOAD EXAMIANS APP
Inventions What plaything was invented by Joe McVicker in 1956? Etch-A-Sketch Lite-Brite Silly Putty Play-Doh Etch-A-Sketch Lite-Brite Silly Putty Play-Doh ANSWER DOWNLOAD EXAMIANS APP
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