[CentOS] OT: Hardware upgrade help
Always Learning
centos at u61.u22.net
Wed Aug 24 02:40:01 UTC 2011
On Tue, 2011-08-23 at 19:37 -0700, Drew wrote:
> >
> > 64 bit = more advance instruction set which replaces all the older 32
> > bit instruction set CPUs. 64 bit is more modern than 32 bit and that is
> > the way software is going.
>
> 64bit doesn't specifically make it "more advanced." 64bit CPU's just
> support for a larger memory addressing space then 32bit CPU's, beyond
> the 4GB limit of 32bit addresses.
Surely it is more than mere memory addressing, a logic problem which has
existed since the original 8088 (and perhaps the 4040), it is extra
instructions and a re-write of some existing instructions ?
--
With best regards,
Paul.
England,
EU.
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