On Tuesday 10 June 2008 23:42:30 Robin Paulson wrote:
quoted text
> 2008/6/10 Ron K. Jeffries <rjeffries@gmail.com>:
> > [I trust this will not initiate a flame war.] Please?
> >
> > iPhone v2 announced today. I'd like to understand
> > on a hardware basis ONLY (I grok the value of
> > free and open source) how does
> > the entry level 9 iPhone with 4GB
> > compare with Freerunner GTA02.
> >
> > where I get lost is how much RAM iPhone
> > has vs Freerunner. I realize I can buy
>
> i remember reading somewhere that the iphone's os can't run multiple
> applications at once - sorry no source for this. did i get this right,
> if i did, that's a major bonus to om/freerunner?
>

in theory the os can multitask. its basically a variant of the bsd kernel and 
so on used in osx. jailbreaked current gen iphones multitask. but apple have 
but a limit on sdk based apps, claiming battery life reasons. instead, if one 
wants to liten for im traffic or similar, one sign up with a apple messaging 
server that will pass this on to the individual phone, kinda like a push mail 
service.

so for a im client it will be:

im network interface at app makers place -> apple message server -> iphone, 
where it will show up as one of 3 kinds of onscreen messages.

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