Question 16 - 220-1101 Hardware and Network Troubleshooting Practice Test for the CompTIA A+ Core Series Exam

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. This points to an issue with what component?

bad operating system
corrupted hard drive
alkaline battery
CMOS battery

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