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Inventions

Inventions
In which year was MIDI introduced?

1983
1977
1973
1987

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Inventions
Who developed the idea of Crop Rotation?

Swede Svenson
Cabbage Carlson
Turnip Townsend
Potato Peterson

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Inventions
What Frank Whittle invented?

Ethyl gasoline
Sonar
Jet propulsion
Radar

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Inventions
For what does the world owe Almon Strowger a debt of gratitude?

Parking Meters
Traffic Lights
Vending Machines
Automatic Telephone Exchanges

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Inventions
For what is Charles Babbage (1792-1871) remembered?

Radio-Telegraphy
Steam Boating
Computers
Telescopes

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Inventions
In which decade were the first successful diode and triode vacuum tubes invented?

1900s
1890s
1880s
1800s

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MORE MCQ ON Inventions

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