July 2013
Beginner to intermediate
262 pages
7h 7m
English
Content preview from Green Computing
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148 Green Computing
or figure out averages that you use on an ongoing basis. (The important things
to look out for in using averages are clarity and consistency.)
You can look at the carbon footprint of an activity narrowly or broadly.
Running a laptop will use a certain amount of energy per hour—30 watts is a
typical figure, about half the energy use of a 60W light bulb (which is on the
low end of a bulb that people use for, say, residential lighting). So, narrowly
speaking, the carbon footprint of the laptop is whatever’s needed to generate 30
watts per hour of electricity.
More holistically, though, the user in an office has to get there, and his or
her presence in the office will cause a certain amount of energy usage. For tele-
commuting ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.