YDL 4

[Norberto Quintanar]

--- Clinton MacDonald <clint.macdonald@sbcglobal.net> wrote:
> Friends:
> 
> Flash -- Urgent metric update... :-)
> 
> Clinton MacDonald wrote:
> > 64-bit CPUs can access (theoretically) 2^64 bits (1.8 
> > x 10^19) of RAM (almost 2 terabytes? have I done the
> > math right?). That should last us a while.
> 
> I did not do the math right after all. 1.8 x 10^19 bits is about
> 2.3 x 
> 10^18 *bytes*, which is about 2 *exabytes*. Here are a couple of
> Web 
> pages that clarify things.
> 
> Here are a couple of Web pages that make these things clearer:
> 
> <http://guymal.com/techCorner/powers.shtml>
> <http://www.danbbs.dk/~erikoest/dp.htm>
> 
> For context, 5 exabytes is enough storage to encode every word ever
> 
> spoken by a human being throughout history. The next big jump up in
> 
> processing power, 128-bits, is 3.4 x 10^34 bits (which has no
> name). A 
> memory "card" of such a size, if made entirely of hydrogen atoms,
> would 
> weigh about 567 million metric tons (again, if I have done the math
> right).
> 
> Best wishes,
> Clint

<;)>
That should be just enough memory to run the next "heavily
anticipated" distribution of Windows!!! ;)  God forbid you try to
open a word.doc if you don't have enough memory!
</;)>

Excellent math skills BTW.
Norberto Quintanar

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