Computer Hardware
You get a CMOS checksum error during bootup. What is most likely the cause?

BIOS needs updating
hard drive types are incorrectly defined
power supply is bad
CMOS battery is nearing end of life

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Computer Hardware
During boot-up, the memory test

Displays what memory is installed, but nothing else
Is an operational error
Checks and verifies that contiguous memory is installed
Is a superfluous step that should be ignored

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Computer Hardware
A brownout is defined as:

complete power out lasting a few minutes
a slightly decreased voltage lasting from seconds to minutes or more
a slightly elevated voltage lasting from seconds to minutes or more
alternating power out, power on lasting a few minutes
has nothing to do with electricity

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