HardwareCâu 9 / 100
A motherboard's CMOS settings and clock reset every time the PC is unplugged. What is the most likely cause?
a.Depleted CMOS battery
b.Failed CPU
c.Bad RAM
d.Corrupt operating system
Giải thích
The coin-cell CMOS battery (typically a CR2032) maintains BIOS/UEFI settings and the real-time clock when power is removed. When it dies, settings and the clock reset on every power loss.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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