Computer Hardware
IBM's Micro Channel Architecture (MCA) specifies which type of the following bit access widths?

8 bit & 16 bit
32 bit & 64 bit
16 bit & 32 bit
16 bit & 24 bit
None of these

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

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