32-bit and 64-bit CPU/OS [closed]

Posted by learnerforever on Super User See other posts from Super User or by learnerforever
Published on 2011-02-13T12:43:32Z Indexed on 2011/02/13 15:27 UTC
Read the original article Hit count: 432

Filed under:

Windows

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64-bit

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Performance

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cpu

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32-bit

Possible Duplicates:
how to know if a computer is 32 bit or 64 bit

32-bit v/s 64-bit systems

Hi,

This 32-bit and 64-bit thing baffles me. It's not often that I run across it, but when I do, it baffles me. Like when I want to download software from http://www.google.com/ime/transliteration/ it asks me which version to download.

I have win XP running on my thinkpad machine. How do I find out if my hardware is 32-bit or 64-bit. Also, how do I find if OS is 32-bit or 64-bit and thus how to know which version to download from this link. Also for any installed application say firefox, how do I know which bit version is installed.

How popular are 64-bit hardware/OSs?. Are all the new CPUs and OSs supporting 64-bit and 32-bit for backwards compatible or 64-bit is still a luxury?

Thanks,

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