megabyte

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megabyte

[′meg·ə‚bīt]
(computer science)
A unit of information content equal to 1,048,576 (1024 × 1024) bytes. Abbreviated Mbyte. Symbolized M.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

megabyte

(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.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

megabyte

One million bytes, or more precisely 1,048,576 bytes. Also MB, Mbyte and M-byte. See mega, space/time and never say.
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