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The use of prefixes can be traced back to the introduction of the metric system in the 1790s, long before the 1960 introduction of the SI.
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use and prefixes
The current use of exchange prefixes for each area code is listed by CNAC ; if an exchange changes from " plant test " to reclaimed or active, any former test numbers with the associated prefix are invalidated.
The use of letter " i " prefixes and suffixes to denote information technology or interactivity was very much in vogue at this time, notably with the launch of the iMac and the iPod by Apple Computer ; according to the BBC, the " i " in BBCi stood for " interactivity " as well as " innovation ".
ITU prefixes: Letter combinations available for use in Canada as the first two letters of a television or radio station's call sign are CF, CG, CH, CI, CJ, CK, CY, CZ, VA, VB, VC, VD, VE, VF, VG, VO, VX, VY, XJ, XK, XL, XM, XN and XO.
File systems and software often list file sizes or free space in some mixture of SI units and binary units ; they sometimes use SI prefixes to refer to binary interpretation – that is using a label of gigabyte or GB for a number computed in terms of gibibytes ( GiB ), continuing the confusion.
With regard to the second and / or third letters in the prefixes in the list below, if the country in question is allocated all callsigns with A to Z in that position, then that country can also use call signs with the digits 0 to 9 in that position.
For example, the United States is assigned KA – KZ, and therefore can also use prefixes like KW0 or K1.
In the SI system, use of prefixes for powers of 1, 000 is preferred and all other multiples discouraged.
In particular, use of the centi ( 10 < sup >− 2 </ sup >), deci ( 10 < sup >− 1 </ sup >), deca ( 10 < sup >+ 1 </ sup >), and hecto ( 10 < sup >+ 2 </ sup >) prefixes are still common.
By the end of 2007, standards and government authorities including IEC, IEEE, EU, and NIST proposed standards for binary prefixes and requiring the use of megabyte to strictly denote 1000 < sup > 2 </ sup > bytes and mebibyte to denote 1024 < sup > 2 </ sup > bytes.
For very large ( and very small ) numbers, traditional systems have been superseded by the use of scientific notation and the system of SI prefixes.
In early classifications of African languages, one of the principal criteria used to distinguish different groupings was the languages ' use of prefixes to classify nouns, or the lack thereof.
Today the prefixes are standardized for use in the International System of Units ( SI ) by the International Bureau of Weights and Measures in resolutions dating from 1960 to 1991.
Official policies about the use of these prefixes vary slightly between the Bureau International des Poids et Mesures ( BIPM ) and the American National Institute of Standards and Technology ( NIST ); and some of the policies of both bodies are at variance with everyday practice.
The BIPM ’ s position on the use of SI prefixes with units of time larger than the second is the same as that of the NIST but their position with regard to angles differs: they state " However astronomers use milliarcsecond, which they denote mas, and microarcsecond, µas, which they use as units for measuring very small angles.
The prohibition against verbalizing the name did not apply to the forms of the name within theophoric names ( the prefixes yeho -, yo -, and the suffixes-yahu ,-yah ) and their pronunciation remains in use.
Other observations are that both Uralic and Altaic languages have vowel harmony, are agglutinating in structure ( stringing suffixes, prefixes or both onto roots ), use SOV word order, and lack grammatical gender.
They are not SI units, using y to abbreviate English year, but following ambiguous international recommendations, use either the standard English first letters as prefixes ( t, m, and b ) or metric prefixes ( k, M, and G ) or variations on metric prefixes ( k, m, g ).
Although the metric system has changed and developed since its inception, its basic concepts have hardly changed-it was designed for transnational use ; it consisted of a basic set of units of measurement, now known as base units ; derived units were built up from the base units using logical rather than empirical relationships while multiples and submultiples of both base and derived units were decimal based and identified by a standard set of prefixes.
use and can
The most effective political inventions seem to make maximum use of natural harbors and are aware that restraining breakwaters can play only a minor part in the whole scheme.
for if this can be proved we shall surely be the gainers -- I mean, if there is a use in poetry as well as a delight ''.
The only real problem is to devise a plan whereby the owners of the above-water land can develop their property without the public losing its underwater land and the right to its development for public use and enjoyment.
How can we old-fashioned parents, who still feel that adults are due some respect from children, battle the new type of advertising that appears on TV without denying the children the use of television entirely??
`` Unless the oyabun has been working on it '', he said, then checked himself and added: `` You can tell Kayabashi-san that the back road is in very good condition and will be quite safe for his party to use ''.
The United States can use its aid as an incentive to self-help by responding with aid on a sustained basis, tailored to priority needs, to those countries making serious efforts in self-help.
While the origin of state-owned automobiles may be obscured, subsequent developments concerning the assignment, use, and management of state automobiles can be related more clearly.
Steps should also be taken to link the Food for Peace Program with the Peace Corps, so that foreign currencies accumulated by the sale of U.S. surplus food under P.L. 480 can be put to use to pay some of the host country expenses of Peace Corps personnel.
Any alteration of one of these factors is distortion, although we generally use that word only for effects so pronounced that they can be stated quantitatively on the basis of standard tests.
`` The reason you are in the ring today is to show your ability to present to any judge the most attractive picture of your dog that the skillful use of your aids can produce.
You can use heat-absorbing glass to stop the sun, double glass and insulated glass to combat condensation.
It's no use pretending that all conditioners are quiet, but the noise they produce can be kept to a minimum.
Look at the physical features of the land to determine how desirable it is for use, what can be done to correct the faults, and what it will cost to make the area meet your needs in comparison to other sites.
they can also be applied to opaque panels for use on cutouts, or they can be applied directly to painted bulletin faces.
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