Mebibyte vs. Megabyte: What's the Difference?

Mebibyte and Megabyte Definitions
Mebibyte
(computing) Strictly, 220 (10242, or 1,048,576) bytes or 210 (1024) kibibytes, as opposed to a megabyte.
Megabyte
A unit of computer memory or data storage capacity equal to 1,048,576 (220) bytes.
Megabyte
A unit of information equal to one million (1,048,576) bytes
Megabyte
One million bytes. See Usage Note at gigabyte.
Megabyte
One million (106, or 1,000,000) bytes or 1,000 kilobytes.
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Megabyte
A mebibyte.