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Q.

What is a NANOSECOND ?
Second or Nonosecond-- which is great and how much great ?

Asked by radhakrishnan, 02 Apr '09 02:50 am
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Answers (1)

 
1.

This definition follows U.S. usage in which a billion is a thousand million and a trillion is a 1 followed by 12 zeros.)

A nanosecond (ns or nsec) is one billionth (10-9) of a second and is a common measurement of read or write access time to random access memory (RAM). Admiral Grace Hopper famously handed out foot-long lengths of wire to students to illustrate how far an electrical signal can travel in a nanosecond.

For comparison, a millisecond (ms or msec) is one thousandth of a second and is commonly used in measuring the time to read to or write from a hard disk or a CD-ROM player or to measure packet travel time on the Internet
Answered by radhikamruta, 02 Apr '09 05:21 am

 
  
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A light nanosecond is the distance light can travel in a billionth of a second and is 1 foot or about 30 cm...more