mar crossword

2. device that protects a circuits againt brownouts and spikes
5. is a device used to permanently store and also retrieve information
7. is a disturbance of space in the electromagnetic space
10. a cable to connect a device to a network
11. main card where all the components of the computer are connected
16. first one to create a way to connect devices each other at a short range connectionreflection the
17. memory that keep information
19. a device that detects or measures a physical property,records,indicates or otherwise responds do it
20. are portable devices used to extinguish small fires
21. connects devices toguether over short distances

1. device that protects all internal parts of the computer
3. also called luminous energy or radiant energy
4. group of devices connected each other using blutooth
6. can change chemical energy to electricity by putting certain chemicals in contact with each other
8. transforms alternate current to direct current
9. is the standart unit of electrical resistant in the international system of units
12. is the change in direction of a wave passing from gradual
13. its the total loss of electric power to an area
14. is a group of computers connected each other
15. sudden flow of electricity between two electrically charged objects caused by a contact
18. regulates or to set the flow of electrons through them by using conductive material