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