I look at it from environmental and economy's point of view. There is a
statistic somewhere about how much forest we can save if all US computers
are turned off in the night. For my home computer, I wonder how can I
calculate how much does it cost per month to keep all my computers (3
total)? Any formulas, ideas? If it's $5/month, it's OK to me. If it's
$20/month, I don't want to keep my computers on all the time.
I usually turn off my computer if I know I don't need to use it more than 1
hour. There were parts of my computers that endure much longer than my
upgrades, but there were others like hard drive, power supply didn't last
long enough. I guess they would have lasted longer if I kept them on all
the time.
Changhsu Liu
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