Giga is a prefix to a unit of measurement representing 10^9 (1,000,000,000) in SI ( ysteme nternational) terms, using base-10 (decimal) numbering. In computer terms, it's the closest decimal number to 1,000,000,000 based on base-2 (binary) and is equivalent to 2^30 (1,073,741,824). Abbreviation: See: Proposed prefixes for binary multiples See also: kilo, Mega, Tera
Prefix corresponding to a one billion quantity. One GB (Giga-Bytes) is equal to 1,000 MB or 1,000,000 KB or 1,000,000,000 Bytes. In 1995, disk storage have a capacity expressed in GB : generally between 0.2 and 4 GB.
A prefix that means 109 (one billion in the US). Note: The word billion refers to different numbers in Europe and the US. In the US a billion is one thousand million (1,000,000,000). In Germany, England, France and other countries, a billion is one hundred thousand million (100,000,000,000). That is a trillion in the US.