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QUESTION 1
How much server power can organizations save by utilizing built-in power-management features in their computers? |
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Up to 10% Up to 20% Up to 30% |
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Correct!Incorrect |
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CORRECT ANSWER - Up to 20% Built-in power management features are often never used, but this feature allows the CPU to optimize power by dynamically switching among multiple performance states. It will drop its input voltage and frequency based on how many instructions are being run on the chip itself. This can save organizations up to 20% on server power consumption. |
QUESTION 2
How many pages per year does the average office worker print? |
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2,000
10,000
17,000 |
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Correct!Incorrect |
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CORRECT ANSWER - The average office worker prints out 10,000 pages a year, according to research from the Lawrence Berkeley National Laboratory. |
QUESTION 3
What percentage of office documents are thrown out within a day? Within a week? |
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10%; 25%
25%; 50%
50%; 75% |
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Correct!Incorrect |
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CORRECT ANSWER - 50%; 75% About 75% of office documents are thrown out in a week&rsquot;s time; 50% within a day, according to Steve Hoover, vice present of Xerox Research Center Webster. |
QUESTION 4
What happens to old computers when they die? |
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Less than half end up in substandard facilities with toxic components (like lead) polluting the environment |
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Over half end up in substandard facilities with toxic components (like lead) polluting the environment |
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Most die without leaving a will so their heirs get stuck in probate. |
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Correct!Incorrect |
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CORRECT ANSWER - Over half end up at substandard facilities with toxic components (like lead in CRT’s) polluting the environment |
QUESTION 5
According to Harvard&rsquot;s Campus Energy Reduction Program, how many metric tons of CO2 are emitted by 1000 desktop computers left on for one year? |
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Less than 1
6.8
68
680 |
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Correct!Incorrect |
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CORRECT ANSWER - 680 |
QUESTION 6
Thinking about those same 1000 computers from question #5, how many mid-sized SUVs (driving an average distance) would produce the same amount of CO2? |
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63
125
239
515 |
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Correct!Incorrect |
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CORRECT ANSWER - 63 |
QUESTION 7
And how many mature trees would it take to offset those emissions? |
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5,000
40,000
300,000
800,000 |
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Correct!Incorrect |
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CORRECT ANSWER - 300,000 |
QUESTION 8
And what (roughly) would the electric bill be for those same 1000 computers? |
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5,000
25,000
60,000
115,000 |
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Correct!Incorrect |
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CORRECT ANSWER - 115,000 |
QUESTION 9
The average laptop uses only half as much energy as a desktop PC. |
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True
False
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Correct!Incorrect |
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FALSE - The average laptop does a lot better than that -- it consumes one fifth the energy of a desktop PC. So, if you&rsquot;re going to own only one computer, seriously consider a laptop instead of desktop model. If a laptop won&rsquot;t work for you, think about whether you really need the biggest desktop you can afford or whether you might be able to get by with what&rsquot;s known as a "small form-factor" PC. These smaller machines are designed to take up less space on your desktop, but they have the advantage of drawing less power, too. |
QUESTION 10
Using a screensaver conserves energy when your computer is idle. |
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True
False |
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Correct!Incorrect |
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FALSE - Screensavers were never designed to save energy. They were actually intended to prevent "phosphor burn in" on CRT screens (and, these days, on plasma screens). Nowadays, they function primarily as a form of entertainment on PCs. However, setting your display to blank out after a period of inactivity can make a difference. Best to forgo the pretty pictures, though. |
QUESTION 11
As personal computers processors get more powerful, they likewise increase their power demands. |
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True
False |
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Correct!Incorrect |
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FALSE - Although each generation of microprocessors is speedier than the previous one, smart engineering means that they often also use less energy at the same time. For example, Intel&rsquot;s Core 2 Duo desktop processor is up to 40 percent faster and more than 40 percent more energy-efficient than its single-core predecessor. |
QUESTION 12
More than 80 percent of the lifetime energy consumption of a PC occurs before you buy it. |
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True
False |
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Correct!Incorrect |
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TRUE - Not only does manufacturing a PC use a lot of energy, it also usually requires ten times the PC&rsquot;s weight in fossil fuels and chemicals, most of which are toxic. So, even though you might be tempted to get a new PC every three years (as the average person does), the longer you can keep your current PC in service, the better for the environment. |
QUESTION 13
Only ten percent of all computers are recycled. |
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True
False |
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Correct!Incorrect |
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TRUE - Although some major computer makers such as Dell, Apple, and HP are stepping up to the plate with much-improved recycling programs, a distressing number of PCs and CRT monitors are still discarded curbside. It&rsquot;s up to consumers to take more responsibility. |
QUESTION 14
Constantly shutting down and restarting your computer during the day would consume more energy than just leaving it running. |
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True
False |
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Correct!Incorrect |
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FALSE - The surge of power that a PC uses to boot up is far less than the energy it uses when left on for more than three minutes. If practical, shut down your PC when you&rsquot;re not using it. |
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You have answered 0/0 correctly |
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