Green Computing:
"The Minimum energy gives maximum reliability and timing."
Green Computing involves reducing the electricity consumed and environmental waste generated when using a computer.
How computer energy often wasteful?
- Leaving the computer on when not in use,
- CPU and Fan consumes power,
- Screen Savers consumes power,
- CPU uses 120 watts.
- Monitors use 150 watts.
- 8 hours of usage, 5 days a week=562 KW.
For a large institute, like university of 40,000 students and faculty,the power bill for just computers can come to $2 millions/year.
Reduction of energy consumption:
- We can reduce energy consumption for a computer by turning off the computer when not in use, even if just for an hour.
- Turning off Monitors when not in use.
- Screen Savers uses as much electricity as any normal processing, and screen savers are nit necessary on a flat panel display.
- Use hardware/software with Energy star Label.
- Don't print unless necessary and you are ready.
- Use LCDs instead of CRTs, as they are more power efficient.
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