Vocabulary Chapter 2: Safe Lab Proecdures and Electrical Protections

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Across
  1. 2. device used to protect removed or uninstalled computer components from static
  2. 4. Work areas can use _______________ on the floor to prevent ESD.
  3. 6. Unsteady voltages lead to this.
  4. 8. Complete loss of AC power
  5. 9. part of the computer that converts ac to dc
  6. 10. Workbenches can use _____________ to protect computer components from ESD.
  7. 14. device worn by computer technician used to protect the computer from ESD
  8. 16. Electrical interference from generators and lightning, resulting in poor quality power
  9. 17. Device used to protect computer components by supplying a consistent level of electrical power from a battery that is only switched on when the voltage drops below normal level, which is helpful during brownouts or blackouts
  10. 21. movement of electrons measured in amps
  11. 23. Sudden increase in voltage (exceeds 100% of the normal voltage on the line) that lasts for a short period of time
  12. 24. Temperature and humidity are ways the __________ can affect computer components.
  13. 26. At least 3000 volts of static electricity must build up before a ________can feel ESD.
  14. 27. Reduced voltage level (80% or less) of AC power for a period of time
Down
  1. 1. Device used to protect computer components by supplying a consistent level of electrical power from a battery that is constantly being charged and run, which is helpful during brownouts or blackouts
  2. 3. Less than 30 volts of static electricity can damage a ___________ component.
  3. 5. measure of work required to move a charge from one location to another
  4. 7. Do not plug a ___________ into a UPS as it could overload the UPS.
  5. 11. buildup of electric charge resting on a surface
  6. 12. type of power found inside the computer
  7. 13. static discharge that could harm a computer
  8. 14. type of power found in electrical outlets
  9. 15. movement of atomic particles whose movements lead to fields of force or energy
  10. 17. Device used to protect computer components against damage from surges and spikes
  11. 18. power connector for floppy drive
  12. 19. Intrusion of wireless signals caused by other radio devices on the same frequency
  13. 20. Dramatic increase in voltage above the normal flow of electrical current, lasting only a few nanoseconds.
  14. 22. Intrusion of outside electromagnetic signals in a transmission media which can be caused by power lines, motors, electrical storms, solar flares, and other sources that generate electromagnetic energy
  15. 25. power connector for older hard drive and optical drives