Do iMac 27 quad i5 and i7 have 64 bit processors?

Just wanted to confirm since I want to use Logic pro in 64-bit.

Do the new 21.5" iMacs have 64bit processors as well?

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    Microsoft Office 2004 (Word) unable to save files
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    Look, I realize you might have to get your machine working, so this is how you revert back.
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    Reboot and log in, update to 10.6.8 via Software Update, but EXCLUDE THE Security Update 2012-001 by checkinig the details and unchecking the blue check box.
    #4 Reinstall any non-working third party programs
    When you reboot, make sure to reinstall any programs that require kext files installed into OS X, you'll know, they won't work when you launch them or hang for some reason as they are missing the part they installed into OS X.
    If for some freakish reason you get gray screen at any time when booting (possible it might occur when you reinstall older programs), hold the shift key down while booting (Safe Mode, disables kext files) and update your installed third party software so it's compatible with 10.6.8.
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    That's it really.

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