Is my mac 64 or 32 bit.. not a noob question..

in Genius Bar edited January 2014
I have a version 6.1 early 2007 imac with a 2.33 ghz intel core 2 duo processor. Now i know all Core 2 Duos are supposedly 64 bit but whenever i do the Terminal hardware checks or any 3rd party programs check if my processor is 32 or 64 bit i get the following information

ioreg -l -p IODeviceTree | grep firmware-abi

| | "firmware-abi" = <"EFI32">

This is telling me that the firmware is only 32 bit. I really dont understand as my mac has a core 2 duo processor.

Any help would be much appreciated.


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