Andrew has a personal computer. One morning, he starts his computer and finds the following error message: "CMOS checksum failure." What are the most likely causes of this error? Each correct answer represents a complete solution. Choose two.
A) Software stored in the CMOS battery is infected by a virus.
B) The CMOS chip has failed.
C) BIOS has become outdated.
D) The CMOS battery has failed.
B) The CMOS chip has failed.
D) The CMOS battery has failed.
Computer Science & Information Technology
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