A battery that maintains the time, date, hard disk and other configuration settings in the CMOS memory. CMOS batteries are small and are attached directly to the motherboard. See BIOS setup and batteries.
"CMOS battery." YourDictionary, n.d. Web. 18 December 2018. <https://www.yourdictionary.com/cmos-battery>.
CMOS battery. (n.d.). Retrieved December 18th, 2018, from https://www.yourdictionary.com/cmos-battery
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