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ISO/IEC 80000

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4620: 1090:, denoted 'ISQ', in all languages." It further clarifies that "ISQ is simply a convenient notation to assign to the essentially infinite and continually evolving and expanding system of quantities and equations on which all of modern science and technology rests. ISQ is a shorthand notation for the 'system of quantities on which the SI is based'." 492:
ISO 80000-1:2022 revised ISO 80000-1:2009, which replaced ISO 31-0:1992 and ISO 1000:1992. This document gives general information and definitions concerning quantities, systems of quantities, units, quantity and unit symbols, and coherent unit systems, especially the International System of
1173:. The harmonized IEC 80000-13:2008 standard cancels and replaces subclauses 3.8 and 3.9 of IEC 60027-2:2005, which had defined the prefixes for binary multiples. The only significant change in IEC 80000-13 is the addition of explicit definitions for some quantities. 67:, formulas involving them, and their corresponding units, in scientific and educational documents for worldwide use. The ISO/IEC 80000 family of standards was completed with the publication of the first edition of Part 1 in November 2009. 528:, included in the original 2006 publication, was omitted in the 2019 revision, leaving ISO/IEC 80000 without a definition of this unit; a new part of the standard, IEC 80000-15 (Logarithmic and related quantities), is under development. 75:
By 2021, ISO/IEC 80000 comprised 13 parts, two of which (parts 6 and 13) were developed by IEC and the remaining 11 were developed by ISO, with a further three parts (15, 16 and 17) under development. Part 14 was withdrawn.
5289: 3946: 1086:(SI). Specifically, its introduction states "The system of quantities, including the relations among the quantities used as the basis of the units of the SI, is named the 1098:
The standard includes all SI units but is not limited to only SI units. Units that form part of the standard but not the SI include the units of information storage (
505:. It specifies mathematical symbols, explains their meanings, and gives verbal equivalents and applications. The descriptive text of this part is available online. 776:
traffic intensity ... of the traffic that would have been generated by the users of a pool of resources if their use had not been limited by the size of the pool
822: 611:
It has a foreword, scope introduction, scope, normative references (of which there are none), as well as terms and definitions. It includes definitions of
5159: 3458: 754:, and specifies names and symbols for these quantities and units. It has a scope; normative references; names, definitions and symbols; and prefixes for 5154: 3453: 2267: 4656: 3675: 3463: 2958: 2336: 2177: 2152: 2127: 2102: 2077: 2052: 2027: 2002: 1977: 1952: 1927: 1902: 1877: 1852: 1827: 1802: 1777: 1752: 1727: 1684: 1659: 1634: 1609: 1584: 1556: 1531: 1506: 1481: 1456: 1431: 1403: 1375: 1347: 1319: 1291: 1263: 52: 1157:) bytes. In the standard, the application of the binary prefixes is not limited to units of information storage. For example, a frequency ten 521:. It gives names, symbols, definitions and units for quantities of space and time. The descriptive text of this part is available online. 3180: 604:
ISO 80000-8:2020 revised ISO 80000-8:2007, which revised ISO 31-7:1992. It gives names, symbols, definitions and units for quantities of
742:
IEC 80000-13:2008 was reviewed and confirmed in 2022 and published in 2008, and replaced subclauses 3.8 and 3.9 of IEC 60027-2:2005 and
4150: 5513: 4255: 4175: 3966: 3961: 3807: 540:. It gives names, symbols, definitions and units for quantities of mechanics. The descriptive text of this part is available online. 484:
By 2021 the 80000 standard had 13 published parts. A description of each part is available online, with the complete parts for sale.
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Part 1 of ISO 80000 introduces the International System of Quantities and describes its relationship with the
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range of approximately 1 nm to 1 mm. The descriptive text of this part is available online.
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The Standard also includes definitions for units relating to information technology, such as the
2099:"ISO 80000-7:2019(en) Quantities and units – Quantities and units — Part 7: Light and radiation" 5534: 4623: 4391: 4381: 3510: 2928: 2509: 2313: 1231: 841:
number of call attempts over a specified time interval divided by the duration of this interval
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as well as IEC 60027-1. It gives names, symbols, and definitions for quantities and units of
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call intensity ... for the call attempts that result in the transmission of an answer
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Ainslie, Michael A.; Halvorsen, Michele B.; Robinson, Stephen P. (January 2022) .
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traffic intensity ... of the traffic served by a particular pool of resources
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Published standard series about physical quantities and units of measurement
5439: 5419: 5139: 5114: 5099: 5094: 5089: 5069: 5064: 5059: 5054: 5049: 5044: 5034: 5029: 5024: 4724: 4466: 4436: 4296: 3640: 3635: 3498: 3493: 3488: 3407: 3352: 3302: 3235: 3190: 3165: 3095: 3090: 3085: 3080: 3075: 3033: 2998: 2908: 2903: 2731: 2539: 1006: 685: 2123: 2073: 2023: 1973: 1923: 1823: 1680: 1655: 1630: 1605: 1580: 1552: 1527: 1502: 1477: 1452: 1427: 1399: 1371: 1343: 1315: 1287: 1259: 5014: 4806: 4776: 4769: 4764: 4441: 4138: 4133: 4128: 3712: 3629: 2601: 2148: 2049:"ISO 80000-6:2022(en,fr) Quantities and units – Part 6: Electromagnetism" 1138: 770:
number of simultaneously busy resources in a particular pool of resources
743: 690: 616: 584:. It gives names, symbols, definitions and units for quantities used for 493:
Quantities (ISQ). The descriptive text of this part is available online.
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bytes, to distinguish them from their decimal counterparts such as
1142: 581: 565: 552:. It gives names, symbols, definitions and units for quantities of 549: 537: 518: 514: 326: 301: 276: 255: 230: 209: 188: 166: 108: 5374: 5339: 5329: 4898: 4811: 4524: 4316: 4301: 4098: 4088: 4078: 3854: 3670: 3515: 3503: 2661: 2656: 2651: 2646: 2641: 2626: 2621: 2616: 2611: 2606: 2569: 2524: 2519: 2504: 2499: 2494: 1849:"ISO 80000-2:2019(en) Quantities and units – Part 2: Mathematics" 525: 4634: 5404: 5399: 5394: 5304: 5244: 5234: 5229: 5219: 5179: 5129: 4386: 4371: 4366: 4361: 4033: 4008: 3936: 3792: 3777: 3757: 3752: 3697: 3690: 3685: 3680: 3575: 3540: 3387: 3038: 2853: 2417: 2302: – Guide for the Use of the International System of Units 2174:"ISO 80000-8:2020(en) Quantities and units – Part 8: Acoustics" 848: 737: 5254: 5134: 5124: 5119: 5109: 5019: 4948: 4421: 4396: 4118: 4003: 3874: 3655: 3520: 3392: 3367: 3362: 3342: 2716: 2686: 2681: 2402: 2387: 2377: 2372: 1799:"ISO 80000-1:2009(en) Quantities and units – Part 1: General" 1774:"ISO 80000-1:2022(en) Quantities and units – Part 1: General" 1065: 1061: 1057: 1053: 1049: 1045: 1041: 1037: 585: 246: 157: 580:
ISO 80000-7:2019 revised ISO 80000-7:2008, which superseded
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IEC 80000-6:2022 revised IEC 80000-6:2008, which superseded
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ISO 80000-5:2019 revised ISO 80000-5:2007, which superseded
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ISO 80000-4:2019 revised ISO 80000-4:2006, which superseded
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ISO 80000-3:2019 revised ISO 80000-3:2006, which supersedes
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ISO 80000-2:2019 revised ISO 80000-2:2009, which superseded
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kibi-, mebi-, gibi-, etc., originally introduced by the
1093: 639:. It includes definitions of the following quantities: 51:(ISQ). It was developed and promulgated jointly by the 1187: 2290: – Quantities, units, symbols, conversion factors 1071: 792: 2335: 1232:"ISO 80000-1:2022- Quantities And Units - ANSI Blog" 882:equivalent binary digit rate, equivalent bit rate 816: 5526: 1791: 1766: 1575: 1573: 1141:to standardise binary multiples of byte such as 1724:"Standards by ISO/TC 12 – Quantities and units" 2178:International Organization for Standardization 2153:International Organization for Standardization 2128:International Organization for Standardization 2103:International Organization for Standardization 2078:International Organization for Standardization 2053:International Organization for Standardization 2028:International Organization for Standardization 2003:International Organization for Standardization 1978:International Organization for Standardization 1953:International Organization for Standardization 1928:International Organization for Standardization 1903:International Organization for Standardization 1878:International Organization for Standardization 1853:International Organization for Standardization 1828:International Organization for Standardization 1803:International Organization for Standardization 1778:International Organization for Standardization 1753:International Organization for Standardization 1728:International Organization for Standardization 1685:International Organization for Standardization 1660:International Organization for Standardization 1635:International Organization for Standardization 1610:International Organization for Standardization 1585:International Organization for Standardization 1557:International Organization for Standardization 1532:International Organization for Standardization 1507:International Organization for Standardization 1482:International Organization for Standardization 1457:International Organization for Standardization 1432:International Organization for Standardization 1422: 1420: 1404:International Organization for Standardization 1394: 1392: 1376:International Organization for Standardization 1366: 1364: 1348:International Organization for Standardization 1338: 1336: 1320:International Organization for Standardization 1310: 1308: 1292:International Organization for Standardization 1282: 1280: 1264:International Organization for Standardization 1254: 1252: 1219:Standards Catalogue TC/12 Quantities and Units 1169:were standardized first in a 1999 addendum to 575: 53:International Organization for Standardization 4650: 2321: 1570: 2016: 1741: 59:(IEC). It serves as a style guide for using 1417: 1389: 1361: 1333: 1305: 1277: 1249: 738:Part 13: Information science and technology 559: 4657: 4643: 2328: 2314: 1032:Clause 4 of the Standard defines standard 746:. It defines quantities and units used in 5514:International Electrotechnical Commission 2296: – The International System of Units 2229: 1139:International Electrotechnical Commission 761:Quantities defined in this standard are: 543: 508: 57:International Electrotechnical Commission 993:channel time capacity; channel capacity 981:character mean transinformation content 1036:used to denote powers of 1024 as 1024 ( 14: 5527: 1229: 835:probability for waiting for a resource 496: 4638: 2309: 1183:International Vocabulary of Metrology 1094:Units of the ISO and IEC 80000 series 829:probability for losing a call attempt 1230:Schirn, Alexandra (9 January 2023). 1165:), is one kibihertz (1 KiHz). These 599: 531: 2205:IEEE Journal of Oceanic Engineering 860:equivalent binary storage capacity 24: 1088:International System of Quantities 1078:International System of Quantities 1072:International System of Quantities 805: 487: 49:International System of Quantities 25: 5561: 4664: 2276: 1153:(MB), for precisely one million ( 4619: 4618: 1126:(a unit of traffic intensity). 987:channel capacity per character; 948:conditional information content 479: 472: 457: 442: 2191: 2166: 2141: 2116: 2091: 2066: 2041: 1991: 1966: 1941: 1916: 1891: 1866: 1841: 1816: 1716: 1698: 1673: 1648: 1623: 1598: 1545: 1520: 1495: 1470: 1445: 897:signal energy per binary digit 839:call intensity, calling rate : 1223: 1212: 984:average transinformation rate 970:mean transinformation content 824:: time average of queue length 811: 808: 802: 793: 13: 1: 1205: 1188:International System of Units 1161:above one hertz, i.e., 2 Hz ( 1084:International System of Units 705:characteristic impedance for 2300:NIST Special Publication 811 2294:NIST Special Publication 330 891:quantizing distortion power 780:traffic carried intensity : 774:traffic offered intensity : 417:related to human physiology 7: 1176: 1116:natural unit of information 1027:natural unit of information 845:completed call intensity : 667:sound particle acceleration 657:sound particle displacement 643:logarithmic frequency range 576:Part 7: Light and radiation 453:Printing and writing rules 70: 10: 5566: 1129:The standard includes all 1075: 945:joint information content 623:, and their corresponding 397:subclauses 3.8 and 3.9 of 5506: 5007: 4672: 4614: 4538: 4264: 3416: 2365: 2347: 967:transinformation content 866:period of data elements 2231:10.1109/JOE.2021.3085947 977:average information rate 560:Part 6: Electromagnetism 368:Condensed matter physics 973:character mean entropy 662:sound particle velocity 438:and related quantities 833:waiting probability : 818: 752:information technology 544:Part 5: Thermodynamics 509:Part 3: Space and time 347:Characteristic numbers 45:international standard 819: 942:relative redundancy 790: 727:sound exposure level 717:sound pressure level 681:sound energy density 637:sound exposure level 629:sound pressure level 524:A definition of the 65:units of measurement 40:Quantities and units 5540:Physical quantities 2222:2022IJOE...47..179A 1606:"IEC 80000-14:2008" 1581:"IEC 80000-13:2008" 1553:"ISO 80000-12:2019" 1528:"ISO 80000-11:2019" 1503:"ISO 80000-10:2019" 952:conditional entropy 918:information content 827:loss probability : 748:information science 497:Part 2: Mathematics 389:Information science 61:physical quantities 2341:by standard number 2288:ISO TC12 standards 2124:"ISO 80000-8:2007" 2074:"ISO 80000-7:2008" 2024:"IEC 80000-6:2008" 1974:"ISO 80000-5:2007" 1924:"ISO 80000-4:2006" 1874:"ISO 80000-3:2006" 1824:"ISO 80000-2:2009" 1712:. 31 January 2017. 1478:"ISO 80000-9:2019" 1453:"ISO 80000-8:2020" 1428:"ISO 80000-7:2019" 1400:"IEC 80000-6:2022" 1372:"ISO 80000-5:2019" 1344:"ISO 80000-4:2019" 1316:"ISO 80000-3:2019" 1288:"ISO 80000-2:2019" 1260:"ISO 80000-1:2022" 900:error probability 888:, line digit rate 814: 786:mean queue length 732:reverberation time 712:acoustic impedance 707:longitudinal waves 473:under development 458:under development 443:under development 293:Physical chemistry 5550:ISO/IEC standards 5522: 5521: 4632: 4631: 2355:ISO romanizations 1681:"IEC/CD 80000-17" 1656:"IEC/CD 80000-16" 1631:"IEC/CD 80000-15" 914:decision content 766:traffic intensity 722:sound power level 633:sound power level 600:Part 8: Acoustics 590:optical radiation 532:Part 4: Mechanics 477: 476: 297:molecular physics 16:(Redirected from 5557: 4659: 4652: 4645: 4636: 4635: 4622: 4621: 2342: 2330: 2323: 2316: 2307: 2306: 2283:BIPM SI Brochure 2270: 2266: 2264: 2262: 2233: 2195: 2189: 2188: 2186: 2184: 2170: 2164: 2163: 2161: 2159: 2145: 2139: 2138: 2136: 2134: 2120: 2114: 2113: 2111: 2109: 2095: 2089: 2088: 2086: 2084: 2070: 2064: 2063: 2061: 2059: 2045: 2039: 2038: 2036: 2034: 2020: 2014: 2013: 2011: 2009: 1995: 1989: 1988: 1986: 1984: 1970: 1964: 1963: 1961: 1959: 1945: 1939: 1938: 1936: 1934: 1920: 1914: 1913: 1911: 1909: 1895: 1889: 1888: 1886: 1884: 1870: 1864: 1863: 1861: 1859: 1845: 1839: 1838: 1836: 1834: 1820: 1814: 1813: 1811: 1809: 1795: 1789: 1788: 1786: 1784: 1770: 1764: 1763: 1761: 1759: 1745: 1739: 1738: 1736: 1734: 1720: 1714: 1713: 1702: 1696: 1695: 1693: 1691: 1677: 1671: 1670: 1668: 1666: 1652: 1646: 1645: 1643: 1641: 1627: 1621: 1620: 1618: 1616: 1602: 1596: 1595: 1593: 1591: 1577: 1568: 1567: 1565: 1563: 1549: 1543: 1542: 1540: 1538: 1524: 1518: 1517: 1515: 1513: 1499: 1493: 1492: 1490: 1488: 1474: 1468: 1467: 1465: 1463: 1449: 1443: 1442: 1440: 1438: 1424: 1415: 1414: 1412: 1410: 1396: 1387: 1386: 1384: 1382: 1368: 1359: 1358: 1356: 1354: 1340: 1331: 1330: 1328: 1326: 1312: 1303: 1302: 1300: 1298: 1284: 1275: 1274: 1272: 1270: 1256: 1247: 1246: 1244: 1242: 1227: 1221: 1216: 1164: 1156: 1148: 989:channel capacity 933:relative entropy 904:Hamming distance 855:storage capacity 823: 821: 820: 817:{\displaystyle } 815: 672:volume flow rate 570:electromagnetism 468:Time dependency 399:IEC 60027-2:2005 226:Electromagnetism 79: 78: 21: 5565: 5564: 5560: 5559: 5558: 5556: 5555: 5554: 5525: 5524: 5523: 5518: 5502: 5003: 4668: 4663: 4633: 4628: 4610: 4534: 4260: 3412: 2361: 2343: 2340: 2334: 2279: 2274: 2273: 2260: 2258: 2196: 2192: 2182: 2180: 2172: 2171: 2167: 2157: 2155: 2149:"ISO 31-7:1992" 2147: 2146: 2142: 2132: 2130: 2122: 2121: 2117: 2107: 2105: 2097: 2096: 2092: 2082: 2080: 2072: 2071: 2067: 2057: 2055: 2047: 2046: 2042: 2032: 2030: 2022: 2021: 2017: 2007: 2005: 1997: 1996: 1992: 1982: 1980: 1972: 1971: 1967: 1957: 1955: 1947: 1946: 1942: 1932: 1930: 1922: 1921: 1917: 1907: 1905: 1897: 1896: 1892: 1882: 1880: 1872: 1871: 1867: 1857: 1855: 1847: 1846: 1842: 1832: 1830: 1822: 1821: 1817: 1807: 1805: 1797: 1796: 1792: 1782: 1780: 1772: 1771: 1767: 1757: 1755: 1747: 1746: 1742: 1732: 1730: 1722: 1721: 1717: 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558: 554:thermodynamics 545: 542: 533: 530: 510: 507: 498: 495: 489: 486: 481: 478: 475: 474: 471: 469: 466: 464: 460: 459: 456: 454: 451: 449: 445: 444: 441: 439: 433: 431: 427: 426: 423: 418: 415:Telebiometrics 412: 409: 405: 404: 401: 395: 386: 383: 379: 378: 375: 370: 365: 362: 358: 357: 354: 349: 344: 341: 337: 336: 333: 324: 315: 312: 308: 307: 304: 299: 290: 287: 283: 282: 279: 274: 269: 266: 262: 261: 258: 253: 244: 241: 237: 236: 233: 228: 223: 220: 216: 215: 212: 207: 205:Thermodynamics 202: 199: 195: 194: 191: 186: 181: 178: 174: 173: 170: 164: 155: 152: 148: 147: 144: 135: 130: 127: 123: 122: 119: 106: 103: 100: 96: 95: 92: 89: 86: 83: 72: 69: 55:(ISO) and the 26: 9: 6: 4: 3: 2: 5562: 5551: 5548: 5546: 5543: 5541: 5538: 5536: 5535:ISO/IEC 80000 5533: 5532: 5530: 5515: 5512: 5511: 5509: 5505: 5499: 5496: 5494: 5491: 5489: 5486: 5484: 5481: 5479: 5476: 5474: 5471: 5469: 5466: 5463: 5461: 5458: 5456: 5453: 5451: 5448: 5446: 5443: 5441: 5438: 5436: 5433: 5431: 5428: 5426: 5423: 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Index

ISO 80000-3
international standard
International System of Quantities
International Organization for Standardization
International Electrotechnical Commission
physical quantities
units of measurement
ISO 31-0
IEC 60027-1
IEC 60027-3
Mathematics
ISO 31-11
IEC 60027-1
Space
time
ISO 31-1
Mechanics
ISO 31-3
Thermodynamics
ISO 31-4
Electromagnetism
ISO 31-5
Light
radiation
ISO 31-6
Acoustics
ISO 31-7
Physical chemistry
molecular physics
ISO 31-8

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