千比特




Disambig gray.svg  本文介紹的是千比特。關於其他KB的條目，請見「KB」。


























































比特的次方单位

十进制前缀
(SI)

二进制前缀
(IEC 60027-2)
名字缩写次方
名字缩写次方
kilobitkbit
103		kibibitKibit210
megabitMbit
106		mebibitMibit220
gigabitGbit
109		gibibitGibit230
terabitTbit
1012		tebibitTibit240
petabitPbit
1015		pebibitPibit250
exabitEbit
1018		exbibitEibit260
zettabitZbit
1021		zebibitZibit270
yottabitYbit
1024		yobibitYibit280

一个 kb（kilobit，千比特） 表示 1,000 (103) 比特，而不是普遍被認為的1,024比特。 “kilobit”或千比特这一术语通常以缩略式kb或kbit表示。注意kilobit（千比特）的缩写为kb，不要与术语kilobyte（千字节，缩写为kB或KB，其中的“B”是大写的）相混淆。
尽管它的前缀“kilo-（千）”常和字节（Bytes）誤用為 1,024 Byte，但kb 的十进制定义（1kbps=1,000bps）在电信传送速率的相关文字中仍被统一使用。


“kbps” “kb/s”[1]或“kbit/s”用于表示数据传输速率（码率），意为“千比特每秒”。
例如，“56 kbit/s 的 公共交换电话网”，“一条 512 kbps 的宽带连接”。



參看


  • 比特

  • 码率单位

  • 檔案大小轉換


參考文獻




  1. ^ IEEE information for authors, Appendix A








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