Computer Hardware
After installing a sound card, the system locks up when a parallel port tape backup unit is also used. What is most likely the problem?

IRQ
defective tape driver
defective LPT port
DMA

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Computer Hardware
What is the result of adding an IP address to the DNS server search order

It overrides the local systems IP address
It restricts browsing to that DNS server
It tells the DNS Server where the local system is located
None of these
It tells the local system where the DNS Server is located

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