| Abkürzung | Auflösung | Bemerkung | ||
| GCT | gate commutated thyristor | |||
| GDI | graphics device interface | |||
| GIS | geographic information system | Geografisches Informationssystem | ||
| GND | ground | Masse (Elektrik) | ||
| GOPS | giga operations per second | |||
| GP | general purpose | |||
| GPIB | genaral purpose interface bus | Bus zur Ankopplung versch. Meßgeräte an den PC (parallel asynchron) | ||
| GPRS | general packet radio service | paketorientierte Datenübertragung auf Funkkanälen (ca. 40 kbps) | ||
| GPS | global positioniting system | Satellitennavigation | ||
| GPU | graphic processing unit | Grafikprozessor | ||
| GSM | global system for mobile communication | digitale Mobilfunktechnik (900 u. 1800 MHz; 9600 bps, max. 14,4 kbps) | ||
| GUI | graphical user interface | |||
| GWES | graphic windowing event system | Basisfunktion von Windows CE | ||
| HAL | hardware abstraction layer | Schicht moderner Betriebssysteme | ||
| HBI | hot bricketed iron | Kapazitätsmaß für Eisengewinnung | ||
| HBT | hetero-bipolar transistor | Bipolartransistor mit Basis aus anderem Material, z.B. SiGe | ||
| HCL | hardware compatibility list | |||
| HD | hard disk | |||
| HDC | hard disk controller | |||
| HDD | hard disk drive | |||
| HDSL | high data rate DSL | |||
| HDTV | high-definition television | hochauflösendes Fernsehen | ||
| HEMT | high electron mobility transistor | unipolarer Transistor, der hohe Elektronenbeweglichkeit in Hetero-Übergängen nutzt | ||
| HIPERLAN | high performance radio local area network | Funk-LAN-Standard (Typ 1 z.B. 24 Mbit/s) | ||
| HLS | Farbsystem () | |||
| HMI | human-machine interface | Mensch-Maschine Schnittstelle (Display, Tastatur, ...) | ||
| HMU | harness manufacturing unit | Kabelbaumkomplex-Beschreibung ohne geometrische Daten | ||
| HR | high reflective | |||
| HSB | hue saturation brightness | Farbsystem (Farbton, Sättigung, Helligkeit) | ||
| HSC | high speed cutting | Hochgeschwindigkeitszerspanen | ||
| HSCSD | high speed circuit switched data | höhere Datenübertragungsrate durch Kanalbündelung (3 x oder 4 x 14,4 kbps) | ||
| HTML | hypertext markup language | |||
| HTTP | hypertext transfer protocol | |||
| I/O | input/output | |||
| IC | integrated circuit | |||
| ICD | installable client driver | OpenGL-Treiber Implementation (3 Modi) | ||
| ICMP | internet control message protocol | |||
| ICRA | Internet Content Rating Alliance | Vereinigung zur Entwicklung von Internetfilter-Standards | ||
| ICU | interrupt control unit | |||
| IDA | interface for distributed automation | Standard für Ethernet-basierende Steuerungsarchitekturen | ||
| IDE | integrated device electronics | Laufwerksinterface | ||
| IDEA | international data encryption algorithm | Datenverschlüsselungsverfahren (blockorientiert, 128-bit-Schlüssel) | ||
| IEC | International Electronical Comission | |||
| IEEE | Institut of Electrical and Electronics Engineers | |||
| IETF | Internet Engineering Task Force | |||
| IFC | interface clear | |||
| IFP | instruction fetch pipeline | Prozessorbaustein | ||
| IFS | installable file system | |||
| IGBT | insolated gate bipolar transistor | Leistungsschalter | ||
| IGCT | integrated gate commutated thyristor | |||
| IMAPI | image mastering application programming interface | CD-Brenner API zum direkten Zugriff | ||
| INCORE | Internet Conternet Rating for Europe | Vereinigung zur Entwicklung von Internetfilter-Standards | ||
| INT | interrupt | |||
| IO | input/output | |||
| IP | instruction pointer | |||
| IP | internet provider | |||
| IP | internet protocol | |||
| IPC | industrial personal computer | |||
| IPCI | industrial PCI | |||
| IPS | instructions per second | |||
| IPW | incremental packet writing | CD-ROM Aufzeichnungsmethode | ||
| IrDA | infrared data association | Standard-Protokoll für IR-Datenübertragung | ||
| IRQ | interrupt request | |||
| ISA | industry standard architecture | |||
| ISA | instruction systolic array | Parallelrechnerstruktur | ||
| ISBN | international standard book number | |||
| ISDN | integrated services digital network | |||
| ISO | International Standard Organisation | |||
| ISP | in-system programmability | |||
| ISP | internet service provider | Internet-Dienstleister | ||
| ISR | interrupt service routine | |||
| ISSCC | International Solid State Circuits Conference | |||
| IST | interrupt service thread | |||
| ITU | International Telecommunication Union | |||
| IVES | interactive video experimental system | |||
| JEIDA | Japan Electronics Industry Department Association | |||
| JTA | jitter and timing analysis | Jitter -> Abweichung einer Periode zur anderen | ||
| www.Reinel.net | ||||