Megabyte

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The megabyte is a multiple of the unit byte for digital information. Its recommended unit symbol is MB. The unit prefix mega is a multiplier of (10⁶) in the International System of Units (SI). Therefore, one megabyte is one million bytes of information. This definition has been incorporated into the International System of Quantities.
In the computer and information technology fields, other definitions have been used that arose for historical reasons of convenience. A common... more