Computer Hardware
A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?

All of these
The external drive has been pre¬loaded with the appropriate software
The external drive is turned on
The cables are attached firmly
The external drive was attached before the computer was on

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Computer Hardware
A brownout is defined as:

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

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