Computer Hardware
ISDN uses _____ technology.

only digital
only analog
mostly digital
digital and analog
neither digital nor analog

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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:

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

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