Computer Hardware
After displaying the directory of a floppy disk, a different floppy is inserted into the drive. The contents of the original floppy continue to display regardless of the director requests on the other floppies placed in the drive. You remove the drive in question and install it into your test system, and it does not exhibit the problem. You should next replace the:

Floppy drive ribbon cable
Original IDE controller
System's power supply
None of these
System's floppy drive device driver

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Computer Hardware
You're on your PC at midnight and an electric storm pops up. What's the best way to protect your PC.

stop standing on it
unplug the PC and remove phone line from the modem
you don't worry; you've got a surge protector on your PC and phone line to your modem
you don't worry; you have a lightning rod on your house
you don't worry; you've got a surge protector on your PC

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