Computer Hardware
When connecting a ribbon cable to a connector, how do you know which direction to plug it in?

The blue or red line in the cable goes away from the power connector
It does not matter
The red line in the cable goes to the highest pin number
The colored line in the cable goes to pin #1

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

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Computer Hardware
Whenever you have a hardware resource conflict, it will more likely be an IRQ conflict rather than an i/o conflict because:

there are a lot more I/O addresses than IRQs.
software tends to correct I/O conflicts
software tends to mess up IRQs
the BIOS sometimes has more of a problem controlling IRQs
I/O addresses cannot conflict

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