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