CROSSWORD

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Across
  1. 3. Element used to make semiconductor devices
  2. 5. Ratio of output to input power, measured in log scale
  3. 8. Device that isolates networks
  4. 10. Process of combining signal with carrier
  5. 11. System that allows embedded devices to communicate via the Internet
  6. 12. Wireless communication standard after 4G
  7. 14. Software embedded in hardware
  8. 15. Scientist who formulated electromagnetic theory
  9. 17. Amplifier type using optical gain
  10. 18. Range of frequencies available for data transfer
  11. 19. Material with high dielectric strength
Down
  1. 1. Converts signal from one form to another
  2. 2. The smallest unit of digital information
  3. 4. Instrument used to view waveform signals
  4. 6. Scientist who invented radio
  5. 7. Fiber optic testing instrument
  6. 9. A two-terminal variable resistor
  7. 13. Logical circuit implementing basic Boolean functions
  8. 16. Device that allows current only in one direction