Communication

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Across
  1. 2. new age tv with latest features.
  2. 6. pigeons were used in _______ communication.
  3. 8. another form of printed communication.
  4. 9. a device that store and gives information.
  5. 13. oldest known form of communication
  6. 14. most important and popular invention.
  7. 15. cheapest and most powerful mean of communication.
  8. 18. information is broadcast in tv through this.
  9. 19. he invented computer
  10. 20. horseback rider communication in the USA.
Down
  1. 1. exchange of thoughts, ideas and information
  2. 3. smoke signals are still used here.
  3. 4. these were trained and used as messengers.
  4. 5. some tribes use this to communicate warnings
  5. 7. type of communication between 2 people.
  6. 10. means of mass communication before TV.
  7. 11. type of communication using words to talk
  8. 12. a very large network of computers that are connected.
  9. 16. communication has developed with use of _____.
  10. 17. a machine that sends and recieved printed pages or images.