| Acronym | Sense | Language | Topics |
|---|---|---|---|
| CAPTCHA | Completely Automated Public Turing Test to Tell Computers and Humans Apart | In English | → Human-computer interaction → Artificial intelligence |
| CARETAKER | Content Analysis and REtrieval Technologies to Apply Knowledge Extraction to massive Recording | In English | → Computer-based techniques → Records management → Knowledge management |
| CARL | Cerveau Analytique de Recherche et de Liaison | In French | → Computer hardware → Artificial intelligence → Cinema, movies |
| CARO | Computer Antivirus Research Organization | In English | → Organizations and associations → Software → Computer infections |
| CAS | Content Addressed Storage | In English | → Computer hardware → Knowledge management |
| CAS | Common Access System | In English | |
| CAS | Computer Aided Selling | In English | → Software → Trade |
| CASE | Computer-Aided System Engineering | In English | → Computer-based techniques → Engineering, technology |
| CASE | Computer-Automated Software Engineering | In English | → Software |
| CASE | Computer Aided Software Engineering | In English | → Software |
| CASOS | Computational Analysis of Social and Organizational Systems | In English | → Social sciences |
| CAT | Computer-Aided Test | In English | → Computer-based techniques |
| CATER | Contextualized Access of Tourism-Related Electronic Resources | In English | → Software → Tourism |
| CATIA | Conception Assistée Tri-dimensionnelle InterActive | In French | → Computer-based techniques → Engineering, technology |
| CAUCE | Coalition Against Unsolicited Commercial Email | In English | → Organizations and associations → Networks, communication → Telecommunications |
| CBD | Chinese Biographical Database | In English | → Databases → Bibliography → Literature → China |
| CBD | Concise Bounded Description | In English | → Libraries → Networks, communication |
| CBEMA | Computer and Business Equipment Manufacturers Association | In English | → Associations → Computer hardware |
| CBIR | Content-Based Image Retrieval | In English | → Computer-based techniques |
| CBL | Composite Blocking List | In English | → Software → Networks, communication |
| CBM | Commodore Business Machines | In English | → Organizations and associations → Computer hardware |
| CBQ | Class Based Queuing | In English | |
| CBR | Computers and Biomedical Research | In English | → Serial publications, periodicals → Biological sciences → Medicine |
| CBR | Constant Bit Rate | In English | |
| CBT | Computer-Based Training | In English | → Education → Computer-based techniques |
| CC | Computer Center | In English | → Computer hardware |
| CCAL | Cahier des Clauses d'Acceptation Logiciel | In French | → Contract law → Software |
| CCbdx | Collectif des Câblés de Bordeaux | In French | → Networks, communication → Organizations and associations |
| CCC | Central Computer Complex | In English | |
| CCC | Command Control Console | In English | → Human-computer interaction |
| CCC | Computer Checkout Console | In English | → Computer hardware |
| CCC | Controller Checkout Console | In English | → Human-computer interaction |
| CCC | Coordinate Conversion Computer | In English | → Computer hardware |
| CCCPA | Chicago Chinese Computing Professional Association | In English | → Associations → United States |
| CCD | Central Command Decoder | In English | |
| CCD | Checkout Command Decoder | In English | → Software |
| CCD | Constants Change Display | In English | → Human-computer interaction |
| CCD | Common Core of Data | In English | → Data |
| CCDR | Contractor Critical Design Review | In English | → Human-computer interaction |
| CCE | Computer Command Engineer | In English | |
| CCF | Central Computer Facility | In English | |
| CCI | Compagnie Internationale d'Informatique | In English | |
| CCIM | Command Computer Input Multiplexer | In English | |
| CCITT | Certification for IT&T | In English | → Networks, communication → Telecommunications |
| CCK | Centre de Calcul El Khawarizmi | In French | |
| CCL | Core Component Library | In English | → Software |
| CCL | Concise Command Language | In English | → Software |
| CCM | Comment Ça Marche (www.commentcamarche.net) | In French | → Networks, communication |
| CCNP | Cisco Certified Network Professional | In English | → Education |
| CCP | Computer Control Panel | In English | |
| CCP | Compression Control Protocol | In English | |
| CCP | Console Command Processor | In English | → Computer hardware |
| CCP | Center for Computational Pharmacology | In English | → Research institutes → Pharmacology, toxicology → Computer-based techniques → United States |
| CCR | Center for Computational Research | In English | → Research institutes |
| CCS | Central Computer and Sequencer | In English | |
| CCS | Computer Core Segment | In English | → Computer hardware |
| CCS7 | Common Channel Signalling System 7 | In English | → Networks, communication → Telecommunications |
| CCSC | Computer and Communications Security Center | In English | → Telecommunications |
| CCSM | Community Climate System Model (www.ccsm.ucar.edu) | In English | → Computer simulation → Meteorology, climatology |
| CCSR | Centre for Computing and Social Responsibility | In English | |
| CCSR | Colorado Computer Systems Research | In English | → United States |
| CCT | Computer-Compatible Tape | In English | |
| ccTLD | Country code Top Level Domain | In English | → Networks, communication → Telecommunications |
| CCW | Computer Center Werner (https://www.ccw-online.de) | In English | → Organizations and associations → Germany |
| CCW | Continuous Composite WORM | In English | → Memories |
| CD-R | CD-Recordable | In English | |
| CD-ROM | CD-Read Only Memory | In English | |
| CD-RW | Compact Disk ReWritable | In English | |
| CDA | Command and Data Acquisition | In English | → Data processing |
| CDB | Central Data Buffer | In English | → Data |
| CDB | Command Data Base | In English | → Data |
| CDB | Computer Data Bus | In English | → Computer hardware → Data |
| CDBFR | Common Data Buffer | In English | → Data |
| CDC | Collins Defense Communications | In English | → Networks, communication → Telecommunications → Military affairs |
| CDC | Command and Data Handling Console | In English | → Computer hardware → Data processing |
| CDC | Computer Development Center | In English | → Research institutes → Computer hardware |
| CDC | Control Data Corporation | In English | → Organizations and associations → Computer hardware |
| CDC | Connected Device Configuration | In English | → Software → Computer hardware |
| CDD | Common Data Dictionary | In English | → Data |
| CDDIS | Crustal Dynamics Data Information System (http://https://cddis.nasa.gov/) | In English | → Software → Data → Astronautics → Geodesy, cartography |
| CDE | Collaborative Development Environment | In English | → Software |
| CDF | Central Data Facility | In English | → Data |
| CDF | Combined Data File | In English | → Files → Data |
| CDF | Compound Document Format | In English | → Data |
| CDLC | Connected Limited Device Configuration | In English | → Software |
| CDO | Collaboration Data Objects | In English | → Software |
| CDOEX | Collaboration Data Objects for EXchange | In English | → Software |
| CDONTS | Collaboration Data Objects for Windows NT Server | In English | → Software |
| CDOSYS | Collaboration Data Objects for Windows 2000 | In English | → Software |
| CDOWF | Collaboration Data Objects for WorkFlow | In English | → Software |
| CDP | Command Data Processor | In English | → Data |
| CDP | Computational Data Processing | In English | → Data processing |
| CDP | Computer Data Processing | In English | → Data processing |
| CDP | Cisco Discovery Protocol | In English | → Networks, communication |
| CDPD | Cellular Digital Packet Data | In English | → Data → Telecommunications |
| CDPIS | Command Data Processing and Instrumentation System | In English | → Data processing → Electronics |
| CDS | Command and Data Subsystem | In English | → Computer hardware → Data processing |
| CDS | Computer Design and Simulation | In English | → Computer-based techniques |
| CDSL | Computer Data System Laboratory | In English | → Research institutes → Data |
| CDT | Configuration Data Table | In English | → Data |
| CDTD | CAD Drafting & Tool Design Technology | In English | → Computer-based techniques |
| CDU | Computer Display Unit | In English | → Human-computer interaction → Computer hardware |
| CDU | Coupling Data Unit | In English | → Data |
| CDU | Coupling Display Unit | In English | → Human-computer interaction |
| CDU | CRT Display Unit | In English | → Human-computer interaction |
| CDUO | Coupling Display Unit Optics | In English | → Human-computer interaction |
| CDW | Command Data Word | In English | → Data |
| CDW | Computer Data Word | In English | |
| CEA | Computer Engineering Associates | In English | |
| CEDIA | Consorcio Ecuatoriano para el Desarrollo de Internet Avanzado | In Spanish | → Internet → Organizations and associations → Telecommunications |
| CEE | Computers and Electrical Engineering | In English | → Serial publications, periodicals → Electrical engineering |
| CEESI | Centre d'Études et d'Expérimentation des Systèmes d'Information | In French | |
| CEFRIO | Centre Francophone d'Informatisation des Organisations | In French | → Organizations and associations |
| CEG | Cognitive Ergonomics Group | In English | → Organizations and associations → Human-computer interaction |
| CEGETI | Centre Électronique de Gestion, d'Études et de Traitement de l'Information | In French | → Document processing → Libraries |
| CEIT | Crew Equipment Interface Test | In English | → Human-computer interaction |
| CEL | Contrôle Economique en Ligne | In French | → Economics |
| CENTAL | Centre de traitement automatique du langage | In French | → Computer-based techniques → Language, linguistics, literature |
| CENTIC | Centro de Tecnologías de Información y Comunicación (www.centic.es) | In Spanish | → Telecommunications → Spain |
| CEP | Calcolatrice Elettronica Pisana | In Italian | → Electronics |
| CERFACS | Centre de Recherche et de Formation avancée en Calcul Scientifique | In French | → Mathematics |
| CERMICS | Centre d'Enseignement et de Recherche en Mathématiques, Informatique et Calcul Scientifique | In French | → Higher education, universities → Mathematics |
| CERV | Centre Européen de Réalité Virtuelle | In French | → Image processing |
| CES | Consumer Electronics Show (www.cesweb.org) | In English | → Electronics |
| CES | Centreon Enterprise Server | In English | → Software |
| CESIA | Centre d'Études des Systèmes d'Information des Administrations | In French | → Public administration, government → Telecommunications |
| CESTEL | Centro Español de Servicios Telemáticos (www.cestel.es) | In Spanish | → Telecommunications → Spain |
| CETELIC | Centre de Traitement Électronique Intercaisses | In French | → Computer-based techniques → Telecommunications |
| CETIC | Centre d’Excellence en Technologies de l’Information et de la Communication (www.cetic.be) | In French | → Telecommunications |
| CETIMA | Centre de Traitement de l’Information Médicale des Armées | In French | → Data processing → Medicine → Military affairs |
| CEVA | Content-Enabled Vertical Application | In English | → Software → Document processing |
| CF | Computers and Fluids | In English | → Serial publications, periodicals → Fluid mechanics |
| CFAO | Conception et Fabrication Assistées par Ordinateur | In French | → Computer-based techniques → Engineering, technology |
| CFG | Context Free Grammar | In English | → Data → Document processing |
| CFML | ColdFusion Markup Language | In English | → Programming languages |
| CFMN | Client For Microsoft Networks | In English | → Software → Networks, communication |
| CFMS | Compaq Fraud Management System | In English | → Software |
| CFS | Climate Forecast System | In English | → Computer simulation → Meteorology, climatology |
| CFT | Cross File Transfer | In English | → Software → Networks, communication |
| CG | Computers and Geosciences | In English | → Serial publications, periodicals → Earth sciences |
| CGA | Color Graphics Adapter | In English | → Computer hardware |
| CGA | Casual Games Association (www.casualgamesassociation.org) | In English | → Associations → Software → Entertainment |
| CGC | Command Guidance Computer | In English | → Computer hardware |
| CGE | Compagnie de Guerre Électronique | In French | → Military affairs |
| CGEY | Cap Gemini Ernst & Young | In English | |
| CGH | Computergeneriertes Hologramm | In German | → Graphical processing → Optics |
| CGI | Common Gateway Interface | In English | → Software → Networks, communication |
| CGI | Computer Generated Imagery | In English | → Image processing |
| CGIH | Comité de Gestion de l'Informatique Hospitalière | In French | → Medicine |
| CGIP | Computer Graphics Image Processing | In English | → Serial publications, periodicals |
| CGM | Computer Graphics Metafile | In English | → Files → Graphical processing → Image processing |
| CGMP | Cisco Group Management Protocol | In English | → Networks, communication |
| CGS | Cap Gemini Sogeti | In French | |
| CGTI | Conseil Général des Technologies de l'Information | In French | → Telecommunications |
| CHAP | Challenge-Handshake Authentification Protocol | In English | → Networks, communication |
| CHES | Cryptographic Hardware and Embedded Systems | In English | → Computer hardware → Electronics |
| CHI | Computer-to-Human Interface | In English | → Human-computer interaction |
| CHI | Computer-Human Interaction = MDI | Människa-datorinteraktion | In Swedish = MMI | Man-Machine Interaction | In English = IHM | Interface Homme-Machine | In French |
In English | → Human-computer interaction |
| CHIP | Children's Hospital Informatics Program | In English | → Software → Pediatry |
| CHIR | Chirurgie, Informatique et Robotique | In French | → Surgery, orthopaedics, ophthalmology → Mechanical engineering → Electronics |
| CHL | Certified Hardware List | In English | → Software |
| CHMAC | Coopération Homme-Machine pour l'Assistance à la conduite | In French | → Human-computer interaction → Vehicle engineering → Transport and postal services |
| CHTML | Compact HyperText Markup Language | In English | → Programming languages → Telecommunications |
| CI | Common Interface | In English | |
| CIA | Control Interface Assembly | In English | → Human-computer interaction |
| CIA | Controller Interface Assembly | In English | → Human-computer interaction |
| CIB | Control Interface Block | In English | → Human-computer interaction |
| CIC | Command Interface Control | In English | → Human-computer interaction |
| CIC | Centre International de Calcul (www.unicc.org) = CICE | Centro Internacional de Cálculos Electrónicos | In Spanish = ICC | International Computing Centre | In English = CIC | Centro Internacional de Computação | In Portuguese |
In French | → United Nations |
| CIC | Centro Internacional de Computação (www.unicc.org) = CICE, ICC (look above) |
In Portuguese | → United Nations |
| CICE | Centro Internacional de Cálculos Electrónicos (www.unicc.org) = CIC, ICC (look above) |
In Spanish | → United Nations |
| CICU | Computer Interface Conditioning Unit | In English | → Human-computer interaction |
| CID | Computer Interface Device | In English | → Human-computer interaction |
| CIDR | Classless Inter-Domain Routing | In English | → Internet |
| CIDT | Centre de Développement des Technologies de l'Information | In French | → Telecommunications |
| CIDX | Chemical Industry Data eXchange | In English | → Data → Chemical technology |
| CIE | Communications Interface Equipment | In English | → Human-computer interaction → Telecommunications |
| CIFS | Common Internet File System | In English | → Internet → Files |
| CIG | Communications and Interface Group | In English | → Human-computer interaction → Telecommunications |
| CIGOS | Canadian Interest Group on Open Systems | In English | → Organizations and associations → Software → Canada |
| CIGREF | Club Informatique des Grandes Entreprises Françaises (www.cigref.fr) | In French | → Organizations and associations → France |
| CIIBA | Comité Interministériel de l'Informatique et de la Bureautique dans l'Administration | In French | → Central administration |
| CIL | Concours Informatique Luxembourgeois | In French | → Luxembourg |
| CIL | Core Image Library | In English | → Software |
| CILOMAG | CIrcuits LOgiques MAgnétiques | In French | → Computer hardware → Electronics |
| CILUS | Core Image Library Update and Save | In English | → Software |
| CIM | Computer Input Multiplexer | In English | |
| CIM | Computer-Integrated Manufacturing | In English | → Computer hardware → Electronics |
| CIM | Common Information Model | In English | → Networks, communication |
| CIMLS | Cercle Informatique Médicale entre Lesse et Semois | In French | → Organizations and associations → Medicine |
| CIMSA | Compagnie d'Informatique Militaire, Spatiale et Aéronautique | In French | → Military engineering → Astronautics → Aeronautics, aircraft |
| CINES | Centre Informatique National de l'Enseignement Supérieur (www.cines.fr) | In French | → Education → France |
| CIP | Communications Interface Processor | In English | → Human-computer interaction → Telecommunications |
| CIP | Control and Interface Panel | In English | → Human-computer interaction |
| CIPSG | Canadian Information Processing Society Graphics Interface | In English | → Serial publications, periodicals → Canada |
| CIS | Communication Interface System | In English | → Human-computer interaction |
| CIS | Centrum für Informations- und Sprachverarbeitung (www.cis.uni-muenchen.de) | In German | → Research institutes → Computer-based techniques → Linguistics → Germany |
| CISC | Complex Instruction Set Computer | In English | → Computer hardware |
| CISI | Comité Interministériel pour la Société de l'Information | In French | → Central administration → Telecommunications |
| CISI | Compagnie Internationale de Services en Informatique | In French |