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

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

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Computer Hardware
ESD damage can be caused by:

Placing an IC on a grounded mat
Touching metal on the chasis
Placing an IC in a non-conductive plastic bag
None of these
Repeated sags in current supplied from outlets

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