slartibartfast wrote: 
> Maybe now but historically a Megabyte was 1024 Kilobytes and a Kilobyte
> was 1024 bytes. 

I thought a computer megabyte (1024x1024) used to be written as MB and a
kilobyte 1024 as KB to distinguish from SI kilo=1,000 but I think people
became careless with notation as PCs were used by "ordinary" people (and
maybe consumer protection demanded "correct" numbering) .

Of course historically a byte were just the unit of manipulation and in
1960s-70s could be anything from 6 bits to 9 bits and computer words
were 12bits to 36bits wide.
Disks for PDP-10 such as an RP06 had its capacity measured in Megawords
when a word was 36 bits wide.


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