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zetta byte (ZB)

Zetta (Z) is the prefix for a sextillion. In decimal notation it is the 21-digit decimal number 1,000,000,000,000,000,000, in exponential notation it is: 10exp21 or 10high21. This tremendously large amount of data is talked about in connection with the spying of communication connections by the American National Security Agency (NSA). The prefix Zetta, like all other mathematical prefixes, is defined in the Système International (SI).

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Englisch: zetta byte - ZB
Updated at: 16.07.2013
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