Communication Crossword

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  1. Tribal groups danced as a way of __________ for crops.praying
  2. Johann Gutenberg invented the _________ press.printing
  3. _________ signals send messages of warning, help and important news.smoke
  4. The CDC _____________ was three times faster than any other computer before it.supercomputer
  5. The Xerox Parc Alto could share ________.files
  6. This country launched a rocket into space which began the Internet revolution.russia
  7. What company launched the first cellphone with internet?nokia
  8. The PC allowed people to process ________ faster than before.information
  9. ________ paintings can still be seen on Table Mountain today.cave
  10. This code was used by ships to communicate across long distances.morse
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