tj

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Across
  1. 1. Wave signals that are not generated from digital information
  2. 3. Wave signals generated electronically from digital information
  3. 5. A unique 3-signal combination of dots and dashes codes for each letter of the alphabet and numbers 0 through 9.
  4. 9. Matter that allows all light to pass through
  5. 10. Used to transmit information between cellphones or between an internet router and a computer
Down
  1. 2. Used to information from a remote control to a television
  2. 4. Matter that allows some light to pass through
  3. 6. The science of light properties and behavior
  4. 7. The region where light is obstructed or blocked
  5. 8. Used to transmit television and radio programs