月经推迟什么原因
??? ?
| ||||
---|---|---|---|---|
SI ??? | ?? ??? | |||
?? | ?? SI |
?? ?? | ?? | ? |
???? (kbit) | 103 | 210 | ???? (Kibit) | 210 |
???? (Mbit) | 106 | 220 | ???? (Mibit) | 220 |
???? (Gbit) | 109 | 230 | ???? (Gibit) | 230 |
???? (Tbit) | 1012 | 240 | ???? (Tibit) | 240 |
???? (Pbit) | 1015 | 250 | ???? (Pibit) | 250 |
???? (Ebit) | 1018 | 260 | ????? (Eibit) | 260 |
???? (Zbit) | 1021 | 270 | ???? (Zibit) | 270 |
???? (Ybit) | 1024 | 280 | ???? (Yibit) | 280 |

??(bit, binary digit)[1]? ??? ??? 0?? 1? ?? ?? ? ??,[2] ??? ?, ?? ?? ?? ???? ??? ????.
???? ??? ?? ? ?? ???, ??? ??? ??? ??? ?? ????, ??? ?? 1??? 8??? 1?????. 4??? ??(nibble)?? ???, ? ???? ?? ???????? ??(word)? ????.
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[??]???? ???? ??? ???? ???? ??? ????? (1626). ???? ???? ??? ???? ?? ??(Basile Bouchon)? ????? ??(Jean-Baptiste Falcon, 1732) ? ????, ?? ?? ??? (1804)? ????, ??? ??? ?? ?????(Semyon Korsakov), ?? ???, ?? ????, IBM? ?? ?? ??? ????? ??? ?? ??? ?????. ?? ???? ?? ???? ??. ??? ?? ????, ??(??? ???)? ????? ?? ??? ??? ???? ?? ??? ?? ??? ? ??? ??? ??. ??? ?? ?? ???? ?? ??(1840) ? ?? ???? ?? ?? ???(??? ???, 1870) ?? ?? ??? ?? ???? ?????. 1928? ?? ???? ??? ??? ??? ??? ????.[3] ???? ??? ??? ?? 1948?? ???? ????? ??? ??(A Mathematical Theory of Communication)?? bit?? ??? ????.[4] ?? ? ??? ? Bell Labs? 1947? 1? 9?? ?? ??? ?? "binary digit(?? ??)" ?? ???? ?? "bit" ? ??? ???? ??. ?????, ??? ??? 1936?? ? ??? ???? ????? ?? ?? ??? "??? ??"? ????? ??.[5] ??? ??? ?? ????? ??? ?? ???? ?????? ? ?? ??? ???? ?????.
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[??]- ↑ Mackenzie, Charles E. (1980). 《Coded Character Sets, History and Development》. 《The Systems Programming Series》 1? (Addison-Wesley Publishing Company, Inc.). x?. ISBN 0-201-14460-3. LCCN 77-90165. 18 November 2016? ?? ???? ??? ??. 22 May 2016? ???. [1]
- ↑ Abdelwahab Kharab; Ronald B. Guenther (2013). 《An Introduction to Numerical Methods A MATLAB Approach》 [????? ?? ????]. ?????. 23?. ISBN 978-89-966211-8-8.
- ↑ Norman Abramson (1963), Information theory and coding. McGraw-Hill.
- ↑ Shannon, Claude. “A Mathematical Theory of Communication” (PDF). 《Bell Labs Technical Journal》. 1998? 7? 15?? ?? ?? (PDF)?? ??? ??. 2013? 12? 3?? ???.
- ↑ Bush, Vannevar (1936). “Instrumental analysis”. 《Bulletin of the American Mathematical Society》 42 (10): 649–669. doi:10.1090/S0002-9904-1936-06390-1.
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[??]- BitXByteConverter ??? 2025-08-06 - ??? ?? – a tool for computing file sizes, storage capacity, and digital information in various units