Across
- 3. alternation or vibration of space
- 6. number of waves that passed
- 11. it the most used type of battery now days
- 12. it is a collection of computers and servers
- 14. it is used to connect a device to a network
- 15. its a type of battery that is toxic
- 17. a device that protects a circuit against brownouts,blackouts,spikes and noice
- 18. its the standar unit of electrical resistance
- 20. device used to permanently store and retrive information
Down
- 1. is the main card where all the components of the computer are connect
- 2. change of direction of a wave front so it returns
- 4. brief overvoltage spikes or disturbances on a power waveform that can damage, degrade, or destroy electronic equipment
- 5. digitalizes images
- 7. it is a short term storage memory
- 8. it is a short or long term loss of the electric power of an area
- 9. they are portable devices used to extinguish small fire
- 10. wiressly connect devices
- 13. it is when a battery is charged before it discharges completely
- 16. sudent flow of electricity between 2 electricity charges
- 19. non volatile storage device that stores persistent data