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Question:

After getting home from the office, you decide to play around with your computer settings before dinner to help prepare you for the new CompTIA A+ exam. While inside the BIOS, you notice that date and time settings are all wrong, even though you just set them last night. Which of the following components causes this issue?

A CMOS battery
explanation

An issue with the CMOS battery often caused incorrect BIOS date and time settings. The CMOS battery is used to keep the settings intact within the BIOS, even when the PC loses power after you shut it down.