A. Samuel Cohen
B. Narinder Kapany
C. Percy L.Spencer
D. T.H. MaimahA
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The World Wide Web was invented by____________?
In 1940, first electronic computer was invented by_______?
Optical Instruments MCQs
When was the game Frisbee invented?
Jet Engine was invented by_____________?
Radio was invented by_____________in 1895?
Edwin Budding who invented Lawnmover belongs to__________?
Eyeglasses are invented in Italy in________?
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Who invented the safety pin?
Bulb was invented by?
The US president who invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel was___________?