| OJT | On-the-Job Training |
| WBT | Web Based Training Web-basierte Ausbildung/ Übung |
| TTT | Teleteaching and Training |
| ATI | Andromeda Training, Inc |
| IBT | Internet Based Training |
| CTB | Computer Based Training |
| OTS | Officers' Training School |
| TTI | Teaching, Training, and Information |
| ATS | Advanced Training Solution |
| ATQ | Ausbildung Training Qualifizierung EU-Projekt zur Förderung berufstätiger Arbeitnehmer |
| UMT | Universal Military Training |
| MAT | Mentales Aktivierungs-Training |
| ACT | Advanced Communication for Training |
| CVT | Continuing Vocational Training Betriebliche Weiterbildung |
| SITC | Sustainable Internet Training Center |
| ECET | European Centre for Education and Training |
| ROTC | Reserve Officers' Training Corps |
| CATC | Cisco Academy Training Center |
| CITAB | Computer Instruction and Training Assistance for the Blind |
| ASTD | American Society for Training and Development [engl.] http://www.astd.org |
| cbt | Computer Based Training Lernprogramnm-Datei eine Dateiendung |
| AATP | Authorized Academic Training Provider [engl.] Microsoft-Programm zur Unterstützung bei der MS-Office-Ausbildung |
| BEST | Borland Enhanced Support and Training [engl.] Firmenbezeichnung für verbesserte Unterstützung und Schulung |
| ICARE | ISO 9000 on-demand, Consulting And Remote Electronic training |
| ODC | Overdrive Circuit |
| VC | Virtual Circuit |
| ICT | In-Circuit Test |
| ICAN | Individual Circuit ANalysis |
| IC | Input/Integrated Circuit |
| GCI | General Circuit Interface |
| ICC | Integrated Circuit Card |
| ICE | In-Circuit Emulator/Emulation |
| IIC | Inter Integrated Circuit [Bus] |
| PCA | Printed-Circuit Assembly |
| PCB | Printed Circuit Board |
| PIC | Programmable Integrated Circuit |
| SCC | Short Circuit Current |
| VCS | Virtual Circuit System |
| SCN | Switched Circuit Network |
| DLC | Digital Leased Circuit |
| CPC | Circuit Provisioning Center |
| CCH | Connections per Circuit per Hour |
| CSD | Circuit Switched Data Datenübertragungsstandard in GSM-Netzen |
| COC | Circuit Order Control |
| CTM | Circuit Transfer Mode |
| CSN | Circuit Switched Network |
| CES | Circuit Emulation Service [engl.] Transport von Sprachdaten über ATM |
| CLRC | Circuit Layout Record Card |
| MMIC | Monolithic Microwave Integrated Circuit |
| ITAC | ISDN Terminal Adapter Circuit |