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Who designed the first camera?
- ✘ Benjamin Franklin
- ✔ Johann Zahn
- ✘ Alexander Graham Bell
- ✘ Nikola Tesla
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Who invented printing printer?
- ✘ Archimedes
- ✘ Orville Wright
- ✘ John Logie Baird
- ✔ Johannes Gutenberg
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Who invented the X-ray machine first?
- ✔ Wilhelm Roentgen
- ✘ Guglielmo Marconi
- ✘ Robert Fulton
- ✘ Nikola Tesla
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Who was the inventor of radio?
- ✘ Leonard Kleinrock
- ✔ Guglielmo Marconi
- ✘ Alexander Graham Bell
- ✘ Samuel Morse
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Who invented the ballpoint pen?
- ✘ Robert Fulton
- ✘ Archimedes
- ✔ László Bíró
- ✘ Leonard Kleinrock
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Who invented the first automatic calculator in 1642?
- ✔ Blaise Pascal
- ✘ Willis Carrier
- ✘ Leon Battista Alberti
- ✘ Archimedes
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Who invented Internet?
- ✘ Alexander Twining & James Harrison
- ✘ John Bardeen & Walter Brattain
- ✔ Bob Kahn &Vint Cerf
- ✘ Leonard Kleinrock
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Who invented DNA?
- ✘ Leonard Kleinrock
- ✘ Willis Carrier
- ✘ Benjamin Franklin
- ✔ Johann Friedrich Miescher
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Who invented stethoscope ?
- ✔ René Laennec
- ✘ Willis Carrier
- ✘ Leon Battista Alberti
- ✘ Robert Fulton
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Who invented Parachute ?
- ✘ Samuel Morse
- ✘ Willis Carrier
- ✔ Louis-Sebastien Lenormand
- ✘ Igor Sikorsky
