64? ? ?

            


From the register perspective, why 64 of the 32 machines in the machine virus.
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Access points. Ha ha.
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compatible?
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Help the landlord jacked up
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Top-bit
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It seems late. . .
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Zaiding
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Nonsense, compatible
64-bit CPU has two modes, use register 32 low - or how to run 32-bit version of Windows on the Core x Duo?
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Zaiding
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top
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Passing, look
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Passing, learn! !
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Oh, I am using is 64 AMD X2 for CPU, you can still run 32-bit WINDOWS XP, running 32-bit software. Now 64 CPU majority is backward compatible, because 32bit software also exist very long period of time, they do not support equal abandon customers ah.
If the landlord particularly interested in this issue, you can check what the CPU Manul intel and AMD.
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If you do not poison, it should be a lot of 64-Oh
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Why register please speak backwards compatibility, speaking from the perspective of the register?
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64 registers to high 32 blocked on when 32 with a ......