[10.10 64bit]-Why 8GB RAM Shows 7.8GB ?

[win]

On 22.12.2010 23:45, Jesse Palser wrote:
> [10.10 64bit]-Why 8GB RAM Shows 7.8GB ?
>
> Hi,
>
> Recently made the switch to the 64bit version of Ubuntu 10.10.
> I have 8GB DDR2 RAM installed on my computer
> but System Monitor shows only 7.8GB ?
> Where did 200MB RAM go?
> Thanks!
>
> Ubuntu is best OS...
>
> Jesse
>
i think this 200MB lost is due to 1KB=1000Byte is not true. Really 
1KB=1024Bytes,
same 1MBnot=1000KB, it's =1024KB

  so, when we count up to 8000000KB, there is some quantyty is missing, 
because of difference in binary and decimal systems..