V2EX zebibyte

Zebibyte

定义 Definition

zebibyte(ZiB):一种二进制数据容量单位,等于 2^70 字节(即 1,180,591,620,717,411,303,424 bytes)。常用于需要严格按二进制计量的计算机存储与内存语境中。
(注意:它不同于 zettabyte(ZB)= 10^21 字节,后者是十进制前缀。)

发音 Pronunciation

/zbbat/

例句 Examples

The file system can theoretically address up to a zebibyte of data.
该文件系统理论上可以寻址多达一泽比字节的数据。

At hyperscale, engineers discuss whether future archives will reach multiple zebibytes, but they still measure performance in smaller units like tebibytes per second.
在超大规模场景下,工程师会讨论未来档案库是否会达到数个泽比字节,但性能仍常用每秒太比字节等更小的单位来衡量。

词源 Etymology

zebibyte由两部分构成:**zebi-**(二进制前缀,符号 Zi)+ byte。其中 **zebi-**是国际电工委员会(IEC)为区分十进制前缀(如 zetta-)与二进制倍数而制定的系前缀之一,表示 2^70。这种命名体系旨在减少“GB/MB到底按 10 的幂还是 2 的幂计算”的歧义。

相关词 Related Words

文学与文本引用 Literary Mentions

  • IEC 80000-13(以及其早期相关标准,如 IEC 60027-2):规范并收录了包括 zebibyte(ZiB)在内的二进制前缀与单位用法。
  • NIST(美国国家标准与技术研究院)关于二进制前缀的说明文档(如对 KiB、MiB…ZiB 的解释):在计量与计算领域的技术写作中常引用该术语。
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