Apart from these, following wiki link best describes what makes an architecture as 64 bit.
http://en.wikipedia.org/wiki/64-bit
http://en.wikipedia.org/wiki/64-bit
On Mon, Sep 29, 2008 at 1:22 PM, pradeep singh <2500.pradeep@xxxxxxxxx> wrote:
On Mon, Sep 29, 2008 at 12:42 PM, nidhi mittal <nidhimittal19@xxxxxxxxx> wrote:It means the application can access 2^32 bits of memory i.e 4gigs.And
> Hi all
> its a very basic ques may be for many of you .but i have this confusion from
> long that is.
> when we say this application is 32 bit application or 64 bit what do we mean
> by that
> is it processor which is 32 bit or 64 bit
> or the OS which is is 32 bit or 64 bit
> or what ?
this means a 64 bit application needs a 64 bit kernel atleast, which
will run on a 64 bit processor. Aliter a 32 bit application can run on
top of either 32 or 64 bit kernel. And a 32 bit kernel can run atop a
32 bit processor or 64 but processor.
No such restriction for C in windows. It is still 4 bytes.
> 2. Does it have some relation that in windows in C language int size is 2
> bytes in linux gcc it is 4 bytes
word size is 32 bits on both Windows and Linux.
> i mean any relation of word size with it ??
Cu,
--Pradeep
> --
> Thanks & Regards
> Nidhi
>
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play the game
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