morsecode

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Across
  1. 4. Sending messages
  2. 7. Getting messages
  3. 8. What we send
  4. 9. Tasty
Down
  1. 1. How we connect devices
  2. 2. Change between languages
  3. 3. Best subject
  4. 5. Samuel
  5. 6. 1s and 0s