[CentOS] OT: Hardware upgrade help

Drew drew.kay at gmail.com
Wed Aug 24 02:37:03 UTC 2011


>> What determines if it's a 64 bit machine? Dual core?
>
> Dual core = 2 CPUs effectively.
> Quad core = 4 CPUs on the same piece of Silicon
>
> 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.


-- 
Drew

"Nothing in life is to be feared. It is only to be understood."
--Marie Curie



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