Computer Hardware
The acronym HDI stands for:

None of these
Hard disk interface
Head to disk interference
Help desk interference
Half duplex interface

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

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

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