Inventions For what does the world owe Almon Strowger a debt of gratitude? Vending Machines Automatic Telephone Exchanges Parking Meters Traffic Lights Vending Machines Automatic Telephone Exchanges Parking Meters Traffic Lights ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Electric Generator? Alfred B. Nobel Michael Faraday Sir Alexander Graham Bell Thomas Alva Edison Alfred B. Nobel Michael Faraday Sir Alexander Graham Bell Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1950s 1980s 1970s 1960s 1950s 1980s 1970s 1960s ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Telephone Electricity Television Early Warning Telephone Electricity Television Early Warning ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Margaret Knight Marjorie Joyner Mary Kies Amanda Jones Margaret Knight Marjorie Joyner Mary Kies Amanda Jones ANSWER DOWNLOAD EXAMIANS APP
Inventions For what is Charles Babbage (1792-1871) remembered? Steam Boating Telescopes Radio-Telegraphy Computers Steam Boating Telescopes Radio-Telegraphy Computers ANSWER DOWNLOAD EXAMIANS APP
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