Today, Intel builds chips that power hand held cell phones that run above one gigacycle.    From Wordnik.com.  [4 Reasons Why Intel Is a Buy in This Economy -- Seeking Alpha] Reference

In 1980, the fastest computer in the world had less than one gigacycle of total processing speed.    From Wordnik.com.  [4 Reasons Why Intel Is a Buy in This Economy -- Seeking Alpha] Reference

186-187 hyperbolic cosecant of negative variable, 71 function, 6-8, 39, 45 hyperbolic cosine of difference, 73 geodesic, 224 of double value, 72 geodesic arc, 224 of half value, 72 geographic north, 93-94 of negative variable, 70 geometric polar plane, 89-90 of sum, 73 gigacycle, 186 hyperbolic cosine function gigahertz, 186-187 definition of, 58-59 global navigation, 243-247 graph of, 59 Global Positioning System (GPS), 93 hyperbolic cotangent function global trigonometry, 224-250 definition of, 59 great circle, 224-225 graph of, 61-63 great-circle arc, 224, 231-232 hyperbolic cotangent of negative variable, 71 Greenwich meridian, 102, 226 hyperbolic functions, 57-77 hyperbolic inverses, 64-69 heading, 78, 92-94 hyperbolic secant function henry, 195 definition of, 59 hertz, 186-187 graph of, 61-62 hour of right ascension, 102-104 hyperbolic secant of negative variable, 71 hyperbola hyperbolic sine asymptotes of, 83 of difference, 73 equation of, 83 of double value, 71 graph of, 83 of.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference