<unit> (MB, colloquially "meg") 2^20 = 1,048,576 bytes = 1024 kilobytes. 1024 megabytes are one gigabyte.
The text of a six hundred page paperback book would require about a megabyte of ASCII storage.
See prefix.
(1997-03-26)
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Nearby terms: meg « mega- « megabits per second « megabyte » megabytes per second » megaflop » megaflops