尧字节

英語:,縮寫為YB)(又稱秭位元組),是信息计量单位字节的多倍形式。国际单位制(SI)以1024来定义前缀尧它,故1尧字节表示1024字节[1]

的次方单位
十进制前缀
(SI)
名字符號次方
kB103
MB106
GB109
TB1012
PB1015
EB1018
ZB1021
YB1024
RB1027
QB1030
二进制前缀
(IEC 60027-2)
名字符號次方
kibibyteKiB210
mebibyteMiB220
gibibyteGiB230
tebibyteTiB240
pebibytePiB250
exbibyteEiB260
zebibyteZiB270
yobibyteYiB280

Yobibyte(缩写:YiB)是另一个类似的單位,使用二进制前缀,表示1,208,925,819,614,629,174,706,176(280)字节,常与尧字节混淆。

预计2030年,全世界每年产生的数据量将达到1 YB。[2]

与其它单位间的换算

  • 1 YB = 1,000 ZB
  • 1 YB = 1,000,000 (106) EB
  • 1 YB = 1,000,000,000 (109) PB
  • 1 YB = 1,000,000,000,000 (1012) TB
  • 1 YB = 1,000,000,000,000,000 (1015) GB
  • 1 YB = 1,000,000,000,000,000,000,000,000 (1024) B

另外,艾字节往往亦可以指Yobibyte,其换算公式是:

  • 1 YB ≈ 0.827 YiB
  • 1 YiB = 1,024 ZiB
  • 1 YiB = 1,073,741,824 (10243) PiB
  • 1 YiB = 1,099,511,627,776 (10244) TiB
  • 1 YiB = 1,125,899,906,842,624 (10245) GiB
  • 1 YiB = 1,208,925,819,614,629,174,706,176 (10248) B

参见

参考文献

  1. International Standard ISO/IEC 80000 Quantities and Units – Part 13: Information science and technology, International Electrotechnical Commission (2008).
  2. Gibney, Elizabeth. . Nature. 2022 [20 November 2022]. PMID 36400954. S2CID 253671538. doi:10.1038/d41586-022-03747-9.
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