Power-hungry or just powerless?

Power-hungry or just powerless?

Are you all powerful or just powerless? Take this quiz to assess your power know how in the data center.

The questions are more difficult than you might think, so do a little pre-test prepping by reading our Power Playbook.

When you're done, check your score at the bottom of the page, and find out how much you really know about power.

Now: take the quiz!

 

  1. A term used to specify the rate at which electrical energy is dissipated, or the rate at which electromagnetic energy is radiated, absorbed, or dissipated.
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  2. An electronic device that converts energy from one form to another. Common examples include microphones, loudspeakers, thermometers, position and pressure sensors, and antenna.

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  3. This is an electrochemical cell (or enclosed and protected material) that can be charged electrically to provide a static potential for power or released electrical charge when needed.
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  4. This acronym describes a feature included in some computer and other power supply boxes that reduces the amount of reactive power generated by a computer.

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  5. A verb meaning to apply electrical power to a device - that is, to "turn it on" as most of us would say about turning on a light switch when entering a dark room.

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  6. This three-word phrase is a technology for wired Ethernet LANs (local area networks) that allows the electrical current, necessary for the operation of each device, to be carried by the data cables rather than by power cords
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  7. This term describes the unidirectional flow or movement of electric charge carriers (which are usually electrons).
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  8. A device inserted in the alternating current (AC) utility line and/or telephone line to prevent damage to electronic equipment.
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  9. This acronym stands for the industry specification for the efficient handling of power consumption in desktop and mobile computers.
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  10. This is a device that allows your computer to keep running for at least a short time when the primary power source is lost. It also provides protection from power surges.
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  11. A measure of alternating current (AC) power that is computed by multiplying the root-mean-square (rms) current by the root-mean-square voltage.
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  12. This is the term for electrical power that a device consumes when not in present use, but plugged in to a source of power and ready to be used.
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Your score:

  • 8-12 correct: You're all powerful
  • 7- 9 correct: You're power hungry
  • 4-7 correct: You're experiencing a power outage
  • 0-3 correct: You're powerless

How'd you do? What'd you think of the quiz? E-mail us and let us know!

This was first published in July 2005