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Inventions

Inventions
In which year was MIDI introduced?

1973
1987
1977
1983

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Inventions
What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?

Radio
Television
Telegraph
Dishwasher

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Inventions
What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?

Telephone
Early Warning
Television
Electricity

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Inventions
What Benjamin Franklin invented?

Bifocal spectacles
Radio
Hygrometer
Barometer

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Inventions
What invention was first installed at a Hartford, Connecticut bank in 1889?

Pay telephone
Time-lock safe
Automatic teller machine
Burglar alarm

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Inventions
This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.

Beulah Henry
Marjorie Joyner
Mae Jamison
Bessie Blount

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MORE MCQ ON Inventions

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