G
- G.703
- G.704
- G.711
- G.722
- G.722.1
- G.723
- G.723.1
- G.726
- G.727
- G.728
- G.729
- G2G
- gabarit
- gadget
- gain
- gallium arsenide
- galvanic cell
- galvanic isolation
- galvanomagnetic effect
- game console
- game mechanics
- game theory
- game tree
- gamepad
- gaming system
- gamma
- gamma correction
- gamma radiation
- gamut alarm
- GaN
- gantry
- Gantt chart
- GAO
- gap analysis
- garbage collection
- garbage collector
- gas sensor
- GASP
- gate
- gate array
- gatekeeper
- gateway
- gateway exchange
- gauge pressure sensor
- Gaussian distribution
- Gaussian noise
- gaze-controlled
- gazetteer
- GBIC
- GBN ARQ