Communication through time

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Across
  1. 6. The man who invented the telephone was called ___________ Bell.
  2. 7. In 1920 radio _________ and radio programmes started.
  3. 10. A person who discovers something new is called an _____________.
  4. 12. Cellphones are ___________ telephones.
  5. 14. ____________ means far-writer.
  6. 16. The telephone changes ____________ to electrical signals.
  7. 17. The name and surname of one of the inventors of the first cellphone.
  8. 18. Pictures or signs that have meanings are called ______________.
  9. 21. Early cameras used a roll of _________.
  10. 22. Long ago books were copied by ________.
  11. 23. In 1440 Johann _________ invented printing with movable type.
Down
  1. 1. The information stored on a computer is called ________
  2. 2. In 1902 the first typewriter powered by ____________ was made
  3. 3. The short beeps in the Morse code showed up as __________.
  4. 4. The long beeps in the Morse code showed up as _________.
  5. 5. Today, people use ___________ cameras that do not need film.
  6. 8. www stands for _____________________.
  7. 9. Art is communication using _______________.
  8. 11. Thomas Watson was a skilled ___________.
  9. 13. George Eastman invented a small camera called the _________
  10. 15. The place where you post a letter ___________
  11. 19. The surname of the Italian man who proved radio communication could work.
  12. 20. In the United States _________ Morse invented the Morse code.