Q. Alexander Graham Bell was born in

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Q. First 'AM' radio factory was opened in

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Q. What does 'ATM' stands for ?

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Q. First automobile powered by an internal combustion engine is invented by

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Q. First automobile powered by an internal combustion engine that is fueled by hydrogen is invented in

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Q. The Facebook was made in

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Q. Microwave oven was invented by

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Q. World's first microwave oven is invented in

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Q. Transistors used in all modern electric products was invented in

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Q. 'DVD' was invented and developed by

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Q. DVD was invented and developed in

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Q. First personal computer controlled with a keyboard was invented in

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Q. The first personal computer controlled with a keyboard is

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Q. First personal computer controlled with a keyboard was invented by

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Q. Chester Floyd Carlson invented the photocopier in

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Q. First freely programmable computer in the world was built in

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Q. First freely programmable computer in the world was built by

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Q. The 'QWERTY' design type writers and computers keyboards is invented in

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Q. The 'QWERTY' design type writers and computers keyboards is invented by

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Q. First ever solar battery was invented by Bell Telephone scientists in

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