Backup power supply by Robin Snyder  ,  robin@RobinSnyder.com , source: IS513/ups-01 [NV/asp] [page formatted/updated on 2008/02/15 at 10:20:00 , loaded on 2012/02/08 at 16:28:12 ] versions:    screen-friendly    printer-friendly Table of contents:    1. Backup power supply    2. UPS    3. Surge protection    4. Uninterruptible power supply    5. Static electricity    6. Lightning    7. Uninterruptible power supply    8. Surge    9. Spike    10. Sag    11. Power outage    12. Computer on/off    13. Power consumption    14. Mechanical vibration    15. Computer failure    16. Summary    17. Acronyms    18. Vocabulary    19. Multiple choice questions by Robin Snyder  ,  robin@RobinSnyder.com , source: IS513/ups-01 [NV/asp]