Subject
Computer Science
Topic
Computer Fundamental
Why can a depleted motherboard coin-cell battery cause date/time or some firmware-setting problems on older/typical PCs?
Why can a depleted motherboard coin-cell battery cause date/time or some firmware-setting problems on older/typical PCs?
a)
It may no longer maintain the RTC and certain battery-backed configuration datab)
It directly powers the CPU during usec)
It stores all operating-system filesd)
It controls monitor brightnessExplanation
The coin-cell battery commonly maintains the real-time clock and, on traditional designs, battery-backed configuration data while main power is absent.Related questions
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