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(1) Billion (10 to the 9th power). Abbreviated "G," it is a prefix for capacities and speeds (gigabits, gigabytes, gigahertz, etc.). Giga may refer to 1,000,000,000 or 1,073,741,824, the latter based on the binary system (see NIST binary). See GB, gig, binary values and space/time.

(2) A prefix attached to common, non-computer words that means a very large size or quantity. For example, "gigabucks" means a lot of money. Both "giga" and "mega" are used in this manner, although giga means billion and mega means million. See mega.

giga (G)

A prefix meaning multiplied by 109.
References in periodicals archive ?
In addition to GigaWeb, Giga offers a range of integrated services including Giga Advisory, Giga's flagship offering which provides comprehensive coverage of the industry's emerging-technology issues: ExperNet, the industry's first provider of on-demand access to high-quality, experienced IT professionals; teleconferences with Giga analysts; symposia; reports; and briefings.
CONTACT: Martha Popoloski of Giga Information Group, 617-792-2602 or mpopolos@gigasd.
Founded in 2003, Giga Scale Integration Corporation -- or Giga Scale IC(R) -- is a private Electronic Design Automation (EDA) software company that is focused on reducing electronic design cost.
Adam Traidman joins Giga Scale IC from Hier Design, where he was Business Development Manager, responsible for North American West sales.
Uniquely, proprietary or confidential evaluation data can then be exchanged directly between parties, through the newly developed interface by VCX Software and Giga Scale.
Giga Scale IC, a first-time DAC exhibitor, will offer continuous demonstrations of the newly introduced InCyte(R) product family.
InCyte represents a step forward into optimization from Giga Scale IC's Time Architect(R) chip estimation product.