Below, you can find the chart of 24 prefixes introduced and governed by Bureau International des Poids et Mesures (eng. International Bureau of Weights and Measures ) .The abbreviation SI is from the French language name Système International d’Unités (eng: International System of Units )
Short And Long Scale
In most English-speaking countries short scale is used. In short scale Billion prefix (109) is giga, Trillion prefix (1012) is tera, Billionth prefix (10-9) is nano, Trillionth prefix (10-12 is pico, and so on.
In most European countries long scale is used. In long scale Billion prefix (1012) is tera, Trillion prefix (1018) is eksa, Billionth prefix (10-12) is pico, Trillionth prefix (10-18) is atto, and so on.
Prefixes In Computing
Prefixes k,M,G,T,P (kilo,mega,giga,tera,peta) are commonly used in computing, where they are applied to information and storage units. Since informational systems are based on power of 2, this led to following meaning of prefixes in computer science:
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