DBCfour at aol.com
DBCfour at aol.com
Fri Nov 7 09:44:16 CST 2003
Here ya go.. http://www.w9if.net/iweb/cpupower/index.shtml Donna In a message dated 11/7/2003 10:34:55 AM Eastern Standard Time, bchacc at san.rr.com writes: > I'm trying to teach the kids a little about electricity conservation - see > if we can knock down that electric bill a bit (we pay about $.10 per kwh). > I'm going to have them calculate how much it costs to leave various things on > per hour. > > So the question is, if a computer has a 300 watt power supply, is it drawing > 300 watts all the time? Does it draw more when it's computing than when > it's idling? What's a good way for them to estimate how much a computer uses if > they leave it on overnight? Just the computer, not the monitor. > > Come to think of it, I leave my laser printer on all the time although it > has a sleep mode and has to do a warm up if it hasn't printed anything for a > while. Also leave the speakers on - they use one of those little transformers > that plugs directly into an outlet. I suppose they draw minute amounts of > power all the time although I never considered them to be major power users. > > TIA > > Rocky > _______________________________________________