for alex

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Across
  1. 2. Network that functions around the world
  2. 6. Made experiments with a frog
  3. 9. Sudden flow of electricity beteween 2 electricity charged objects
  4. 11. Network that functions in a single location and using a cable
  5. 12. Standard unit of electrical resistance
  6. 13. Collection of devices connected to allow sharing data
  7. 16. It has memory effect,it´s heavy, created in the 90s
  8. 17. Wiressly connects devices
  9. 19. The Change i direction of a wave passing from one medium to another
Down
  1. 1. Device that protects a circuit against brownouts,blackouts etc.
  2. 2. Alternation or vibration of space
  3. 3. They can charge chemical energy to electricity
  4. 4. Device used to permanently store and retrieve information
  5. 5. Network that belongs to one person
  6. 7. Non volatil storage device that stores persistent data
  7. 8. Radiant energy to which the organs of sight react
  8. 10. Gave the name to the bluetooth
  9. 14. It is a short-term storage memory
  10. 15. Portable devicdes used to extinguish small fire
  11. 18. Used to connect devices to a network