Crossword

123456789101112131415161718192021
Across
  1. 2. A widely used semiconductor material in electronic devices
  2. 4. A machine that uses electricity to rotate or move things
  3. 7. A device used to send or receive signals in air medium
  4. 9. A material which does not allow electricity to flow through it
  5. 10. Short form of Hypertext Markup Language
  6. 12. An object which revolves around Earth and is used for communication
  7. 14. A collection of elements stored in order
  8. 15. Operating system developed by Microsoft
  9. 18. It has types such as solid state, electromagnetic, overload, etc.
  10. 19. A programming language whose name is also the name of a snake
  11. 20. A circuit that increases signal amplitude
Down
  1. 1. Commonly used to generate clock signals in circuits
  2. 3. Number system with the base 8
  3. 5. A device which converts AC to pulsating DC
  4. 6. Short form of Hypertext Markup Language
  5. 8. Unwanted disturbance that affects signal quality
  6. 11. Stands for World Wide Web
  7. 13. Unit of capacitance
  8. 16. Name of IC741
  9. 17. Distance/Time
  10. 21. A diode that emits light