It is 11.8 inches long and represents how far electricity can travel in one nanosecond (one billionth ... [Grace] was a computer science pioneer. She is credited with writing the very first ...
A nanosecond (ns) is a unit of time in the metric system, equal to one billionth (10-9) of a second (s). The second is the base unit of time in the International System of Units (SI), making the ...