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How does a computer keep time when shutdown?
This is a random question that popped into my head. When you shutdown your computer, and go back on. It knows how much time has passed. Even without internet or anything, to me it seems like unplugging a clock, it can't keep time unplugged so how does your computer keep time when turned off?
2 Answers
- Anonymous1 decade agoFavorite Answer
Your Computer keeps time by a small battery, smaller than a watch battery, that gives it enough power to keep essential information alive on your computer, time being one of them. This is called the CMOS battery. You can tell in older computers when time slows down on your clock, it is time to change the CMOS battery out.
Hope this helps...
~Imran
Source(s): Website: http://www.dtsit.com/ Blog: http://blog.dtsit.com/ - ♥♫ Mysti ♫♥Lv 41 decade ago
Your computer has an internal battery. So even when it is shut off, the battery enables your computer to keep track of the time.