Memory, Machines, and software....

I am looking at device manager, network card propery, resource tab.

1)I assume that memory range is the physical memory that the driver is loaded up in (Network Card property, Resource Tab)?   (yes or no).  
2) It says FFDFFF80 - FFDFFFFF as the memory range of my network card.  Does each address represent 32 bits on a 32 bit machine (yes or no), and 64 bits on a 64 bit machine?
3) So if a software is written as a 32 bit software, you would actually be WASTING memory when running on a 64 bit machine (yes or no)?
kamleshmistryAsked:
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Steve KnightConnect With a Mentor IT ConsultancyCommented:
As I see it:

1) Memory range is normally an area of memory space that the device is mapped to, look slike your device is using 128 bytes?
2) A byte is a byte whether 32 or 64 bits, I don't see this being anything to do with the bus width.
3) You are not wasting real memory space, windows manages that anyway.
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Steve KnightIT ConsultancyCommented:
That was a quiet question!  Thanks for the points..
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