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

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

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Computer Hardware
You have just installed a new internal PCI modem on you desktop. It will not dial out. what is the problem?

None of these
the phone line is plugged into the line-in port on the modem card
The port speed is set too high
the modem has not been set up in control panel properties
the phone line out of the wall is plugged into the phone port on the modem card

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