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Which component on the motherboard helps retain system date and time settings when the computer is powered off?

easy Q13 of 15
Computer Aptitude - Computer Hardware
Which component on the motherboard helps retain system date and time settings when the computer is powered off?
ABIOS Chip
BCMOS Battery
CPower Supply
DExpansion Slot
Step-by-Step Solution
  1. Step 1: Identify power-off requirement

    Date and time must be retained without main power.
  2. Step 2: Select correct component

    The CMOS battery supplies power to maintain system settings.
  3. Final Answer:

    CMOS Battery → Option B
  4. Quick Check:

    Time settings retained without power → CMOS battery ✅
Quick Trick: Date & time retention → CMOS battery.
Common Mistakes:
  • Assuming BIOS stores time settings permanently.
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