WordNet (r) 3.0 (2006):
gigabit n 1: a unit of information equal to 1000 megabits or 10^9 (1,000,000,000) bits [syn: gigabit, Gbit, Gb]The Free On-line Dictionary of Computing (30 December 2018):
gigabit2^30 bits, 1,073,741,824 bits. See prefix. (1995-11-12)