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mankowk 發表於 2021-11-16 20:55 
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The correct definition of "kilo" is a power of 1,000. There's another name for a power of 1,024: "kibi." The International Electrotechnical Commission has published standards for measuring data in binary in order to resolve this confusion.
While a kilobyte (KB) represents 1,000 bytes, a kibibyte (KiB) represents 1,024 bytes. It's the same for mebibytes (MiB), gibibytes (GiB), tebibytes (TiB), and so on.
For some reason, Windows inaccurately uses the "GB" prefix when it's really measuring in gibibytes. Other operating systems, like macOS, correctly measure 1GB as one billion bytes. Thus, the same 250GB drive connected to a Mac would show that it has 250GB of total space. |