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

[Rashkae]

On 10-12-22 05:06 PM, Ric Moore wrote:
> On Wed, 2010-12-22 at 22:50 +0100, Thierry de Coulon wrote:
>    
>> On Wednesday 22 December 2010 09:45:03 pm 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
>>>        
>>
>> Most probably the usual "kilobit/kilobyte" stuff: one kilobit is 1000 bit, 1
>> kilobyte is 1024; 1000/1024 is 0.9765 and 0.9765*8 is 7.8 so....
>>      
> I think that explanation is spot on. Ric
>    

No, that's always the wrong explanation with regards to Ram..... Hard 
Drives are where this comes from, since Hard drives (and for that 
matter, most other storage media) are marketed in base 10 Metric.  Ram, 
however, has always been marketed in Binary, (ie, MB and GB in Ram have 
always been in MiB and GiB.)