Subject
Computer Science
Topic
Computer Hardware
What is the function of the CMOS battery on a motherboard?
What is the function of the CMOS battery on a motherboard?
a)
To provide power to the CPU when the computer is off.b)
To keep the system's real-time clock running and retain BIOS/UEFI settings.c)
To provide extra power to the graphics card.d)
To power the case fans.Explanation
The CMOS (Complementary Metal-Oxide-Semiconductor) memory requires a small amount of power to retain its data, such as boot order, hardware configuration, and the current date and time. The small coin-cell battery provides this power when the main system power is off.Related questions
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