G Governmental & Military Abbreviation

Ground

The electric neutral line having the same potential as the surrounding earth; the negative side of a direct current power system; the reference point for an electrical system. 1. An electrical term meaning to connect to the earth. 2. A conducting connection, whether intentional or accidental by which an electric circuit, or equipment, is connected to the earth or some conducting body that serves in place of the earth.

Gain

The amount of amplification accomplished by an amplifier circuit. For instance, a gain of 2 would mean the output is scaled to twice the amplitude of the input. A measure of amplification of a device, usually expressed in dB. Tthe measure of the ability of two port circuit to increase the power of a signals from input to output port. Usually a term associated with gyros, it describes the sensitivity of the gyro.

Grams

Gravity

A mutual physical force of nature that causes two bodies to attract each other.

Guard

Mechanism limiting the exchange of information between systems.

Graphics

Computer graphics are images displayed on a computer screen. They can be either two or three-dimensional. Two-dimensional graphics come in raster or vector formats. Raster graphics are the most common type of computer graphic and are used for icons, photos, and other basic images. Vector graphics are used for drawings, logos, and other scalable objects. 3D graphics are made up of polygons and can be created with CAD and 3D modeling programs.

Glossary

A set of definitions of words, such as this one. Not all glossaries are self-referential.

Gangster

Good

A product that can be produced, bought, and sold, and that has a physical identity. Sometimes said, inaccurately, to be anything that "can be dropped on your foot" or, also inaccurately, to be "visible." Contrasts with service. Trade in goods is much easier to measure than trade in services, and thus much more thoroughly documented and analyzed.