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I know that these all can measure file sizes but the size of a file can be expressed by any of them. I also am not asking for how many KB are in an MB or anything like that because I know that and that information is in hundreds of easily found places online. ( its 1024 by the way )

What I am concerned about is what is the correct term to call these different measures of file sizes?

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A bit is a single numeric value, either '1' or '0', that encodes a single unit of digital information. A byte is a sequence of bits; usually eight bits equal one byte. –  Darius Jun 27 '13 at 17:15
It's "kB", not "KB". –  Andreas Rejbrand Jun 27 '13 at 17:16
And 1MB = 1000 kB, however 1 KiB = 1024 MiB –  Szymon Szydełko Jun 27 '13 at 17:19
you are both correct, I was just curious about the term more so than the specifics –  user2497792 Jun 27 '13 at 17:23
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up vote 8 down vote accepted

They are called Units of information.

See: http://en.wikipedia.org/wiki/Units_of_information

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