![]() ![]() To address this conflict, a new set of binary prefixes has been introduced, which is based on powers of 2. NIST comments on the confusion caused by these contrasting definitions: "Faced with this reality, the IEEE Standards Board decided that IEEE standards will use the conventional, internationally adopted, definitions of the SI prefixes", instead of kilo for 1024. JEDEC memory standards still permit this definition, but acknowledge the correct SI usage. The reason for this application is that digital hardware and architectures natively use base 2 exponentiation, and not decimal systems. It uses kilobyte to mean 2 10 bytes (= 1024 bytes), because of the mathematical coincidence that 2 10 is approximately 10 3. As an opponent of suggestions to introduce the metric system in Britain, he qualified the nomenclature adopted in France as barbarous.īy extension, currencies are also sometimes preceded by the prefix kilo-:įor the kilobyte, a second definition has been in common use in some fields of computer science and information technology. In 19th century English it was sometimes spelled chilio, in line with a puristic opinion by Thomas Young. The prefix kilo is derived from the Greek word χίλιοι ( chilioi), meaning "thousand". It is used in the International System of Units, where it has the symbol k, in lowercase. Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (10 3). Look up kilo- in Wiktionary, the free dictionary.
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