Mega
Mega is a prefix of multiples of a unit of measure of physical quantities with a multiplier of 10 = 1,000,000 (one million), denoted by the symbol M.
In computing, the mega prefix usually means 1 048 576 and is the result of 1024 · 1024 = 2, in contrast to the SI system, where 1000 · 1000 = 10 = 1,000,000. In order to avoid inaccuracies associated with this system, it is recommended using the prefix of binary mebi (short for the words mega binary), which in accordance with standardization means 1024 · 1024. In practice, however, an incorrect name has been fixed, and the lack of formal naming often causes misunderstandings in the interpretation of memory capacity. 1 MiB = 1024 KiB = 1024 · 1024 B = 1 048 576 B 1 MB = 1000 kB = 1000 · 1000 B = 1 000 000 B
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