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3 answers

My alarm clock has a battery to keep the time when the power goes out :)

2007-01-22 13:41:17 · answer #1 · answered by Anonymous · 0 0

A television set, or anything with a remote control. There has to be some sort of monitoring switch active, at all times, to process signals from the remote.

2007-01-22 13:01:23 · answer #2 · answered by John T 6 · 0 0

computers have a small battery which keeps the memory on the the motherboard retaining its original bios settings

2007-01-22 13:02:25 · answer #3 · answered by iwll m 2 · 1 0

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