Nanosecond

A nanosecond (ns) is an SI unit of time equal to one thousand-millionth of a second (or one billionth of a second), that is, 1/1,000,000,000 of a second, or 10-9 seconds.

The term combines the prefix nano- with the basic unit for one-sixtieth of a minute.

A nanosecond is equal to 1000 picoseconds or ​ microsecond. Time units ranging between 10-8 and 10-7 seconds are typically expressed as tens or hundreds of nanoseconds.

Time units of this granularity are commonly encountered in telecommunications, pulsed lasers, and related aspects of electronics.

Common measurements

See also

References

Notes
  1. ^ By definition of the "foot" as exactly 1/3 yards, and of the international yard as "exactly 0.9144 metres", and of the metre (SI unit) defined by the International Bureau of Weights and Measures as the "length of the path traveled by light in vacuum during a time interval of 1/299792458 of a second". The time taken by light to travel 1 foot in a vacuum is therefore (1/299792458)x(0.9144/3) seconds, or 1.016703362164 nanoseconds.
Citations
  1. ^ David Mermin (2009). It's About Time: Understanding Einstein's Relativity. Princeton, New Jersey: Princeton University Press. p. 22. ISBN 978-0-691-14127-5.
  2. ^ Gamow, George (1961), One, Two, Three... Infinity: Facts & Speculations of Science (3rd ed.), Courier Dover Publications, p. 77, ISBN 0486256642.
  3. ^ "Official BIPM definition of the metre". BIPM. Retrieved .
  4. ^ http://pdg.lbl.gov/2012/listings/rpp2012-list-K-plus-minus.pdf. Missing or empty |title= (help); External link in |website= (help); Missing or empty |url= (help)

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

Nanosecond
 



 

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