| Acronym | Sense | Language | Topics |
|---|---|---|---|
| CISI | Compagnie Internationale des Services Informatiques | In French | |
| CISMeF | Catalogage et Indexation des Sites Médicaux Francophones (www.chu-rouen.fr/cismef/) | In French | → Libraries → Internet → Medicine |
| CISO | Chief Information Security Officer = RSSI | Responsable de la Sécurité des Systèmes d'Information | In French |
In English | |
| CIT | Computing & Information Technology | In English | → Telecommunications |
| CITAS | China In Time And Space (http://https://citas.csde.washington.edu/) | In English | → Databases → Area studies → China |
| CITIC | Centro Andaluz de Innovación y Tecnologías de la Información y las Comunicaciones (www.citic.es) | In Spanish | → Research institutes → Telecommunications → Spain |
| CITILOG | Carrefour Intelligent - Traitement d'Images LOGiciels | In French | → Image processing → Transport and postal services |
| CITM | Centre de la Imatge i Tecnologia Multimèdia (www.citm.upc.edu) | In Spanish | → Image processing → Cinema, movies |
| CITS | Croatian Information Technology Society | In English | → Organizations and associations → Telecommunications |
| CIU | Communication Interface Unit | In English | → Human-computer interaction → Telecommunications |
| CIU | Computer Interface Unit | In English | → Human-computer interaction |
| CIU | Controller Interface Unit | In English | → Human-computer interaction |
| CJECE | Canadian Journal of Electrical Computer Engineering | In English | → Serial publications, periodicals → Computer hardware → Electrical engineering → Canada |
| CL | Computational Linguistics | In English | → Computer-based techniques → Linguistics |
| CLARA | Cooperación Latino Americana de Redes Avanzadas | In Spanish | → Networks, communication |
| CLC | Computer Liaison Committee | In English | → 006 → Computer hardware |
| CLEAN | Conformité à la Législation Environnementale des Activités Nucléaires | In French | → Software → 5023 → Nuclear technology |
| CLEAR | Computational Language and Education Research (https://www.colorado.edu/lab/clear/) | In English | → Research institutes → Computer-based techniques → Linguistics → United States |
| CLEF | Cross-Language Evaluation Forum (www.clef-campaign.org) | In English | → Computer-based techniques → Linguistics |
| CLI | Command Line Interface | In English | → Human-computer interaction |
| CLI | Command Line Interpreter | In English | → Software |
| CLIPS | Communication Langagière et Interaction Personne-Système | In French | → Human-computer interaction → Linguistics |
| CLIVE | Computer-aided Learning In Veterinary Education | In English | → Education → Veterinary medicine |
| CLO | Club Linux Outaouais | In French | → Organizations and associations → Operating systems |
| CLOS | Common Lisp Object System | In English | |
| CLPP | Central Laboratory for Parallel Processing | In English | → Research institutes |
| CLR | Common Language Runtime | In English | → Software |
| CLS | Computational Life Sciences | In English | → Computer-based techniques → Biological sciences |
| CLS | Cable Library System | In English | → Computer hardware → Libraries |
| CLS | Control Load Service | In English | |
| CLUSIF | Club de la Sécurité de l'Information Français (http://https://clusif.fr/) | In French | → Associations → France |
| CLX | Component Library X(cross)-Platform | In English | → Software |
| CMAME | Computer Methods in Applied Mechanics and Engineering | In English | → Serial publications, periodicals → Computer-based techniques → Mechanics → Mechanical engineering |
| CMB | Compagnie des Machines Bull | In French | → Organizations and associations → Computer hardware |
| CMB | Computerized Mobile Bank | In English | → Banks → Computer-based techniques |
| CMC | Central Maintenance Computer | In English | → Computer hardware → Maintenance and logistics |
| CMC | Command Module Computer | In English | → Computer hardware |
| CMC | Crew Module Computer | In English | → Computer hardware |
| CMC7 | Caractères Magnétiques Codés à 7 bâtonnets | In English | |
| CMCS | Centralized Maintenance Computer System | In English | → Software → Maintenance and logistics |
| CMDB | Configuration Management Date Base | In English | → Computer hardware |
| CMDB | Configuration Management DataBase | In English | → Data → Management |
| CMIP | Common Management Information Protocol | In English | → Networks, communication |
| CMIS | Computer Management Information System | In English | → Management → Computer-based techniques |
| CML | Chemical Markup Language | In English | → Programming languages → Chemistry |
| CMM | Capability Maturity Model | In English | → Management |
| CMMI | Capability Maturity Model Integration | In English | → Management |
| CMMI | Capability Maturation Model Integration | In French | → Software |
| CMO | Communication Médiatisée par Ordinateur | In French | |
| CMS | Content Management System = SGC | Système de Gestion de Contenu(s) | In French |
In English | → Document processing → Knowledge management |
| CMS | Content Management Server | In English | → Networks, communication → Document processing → Knowledge management |
| CMSI | Command Monitor System Interface | In English | → Human-computer interaction |
| CMSMS | Content Management System Made Simple | In English | → Software → Knowledge management |
| CMTS | Computerized Maintenance Test System | In English | → Maintenance and logistics |
| CMTS | Cable Modem Termination System | In English | → Telecommunications → Networks, communication |
| CMwA | Computers and Mathematics with Applications | In English | → Serial publications, periodicals → Mathematics |
| CN | Core Network | In English | → Networks, communication |
| CNC | Computer Numerical Control | In English | |
| CNC | Computer Numerically Controlled | In English | |
| CNEI | Centre National d'Études Informatiques | In French | |
| CNFK | Campus Numérique Francophone de Kinshasa | In French | → Networks, communication |
| CNI | Centre National de l'Informatique (www.cni.nat.tn) | In French | → Central administration → Tunisia |
| CNIC | Computer Network Information Center | In English | → Networks, communication |
| CNII | Centre National d'Ingénierie de l'Information | In French | |
| CNIL | Commission Nationale de l'Informatique et des Libertés (www.cnil.fr) | In French | → Politics → France |
| CNIL | Commission Nationale Informatique et Libertés | In French | → Organizations and associations → Fundamental rights |
| CNOS | Communication Network Operating System | In English | → Operating systems → Networks, communication |
| CNPL | Concurso Nacional de Programação Lógica | In Portuguese | → Programming languages → Algorithms |
| CNS | Cognitive Neuroscience Society (www.cogneurosociety.org) | In English | → Organizations and associations → Artificial intelligence → Psychology → Neurology |
| CNS | Computation and Neural Systems (www.cns.caltech.edu) | In English | → Research institutes → Artificial intelligence |
| CNS | Communication Network Systems | In English | → Networks, communication → Telecommunications |
| COAMPS | Coupled Ocean/Atmospheric Mesoscale Prediction System | In English | → Computer simulation → Marine research, oceanography → Meteorology, climatology |
| COAST | Competence Network for Advanced Speech Technologies | In English | → Human-computer interaction → Computer-based techniques → Language, linguistics, literature |
| COBIT | Control OBjectives for Information and related Technology | In English | |
| COBOL | Common Business-Oriented Language | In English | → Programming languages |
| COBOL | COmmon Business Oriented Language | In English | → Programming languages |
| CoCom | Control and Computers | In English | → Serial publications, periodicals |
| COFDM | Coded Orthogonal Frequency-Division Multiplexing | In English | → Telecommunications |
| COGITO | Convergence des Outils de Gestion de l'Informatique et Télécoms des Opérateurs | In French | → Telecommunications |
| COIM | Checkout Interpreter (Software) Module | In English | → Software |
| COIN | Collaboration and Interoperability for Networked enterprises | In English | → Software → Networks, communication |
| COINS | Combat On-line Illegal Numismatic Sales | In English | → Computer-based techniques → Trade → 737 |
| COLD/ERM | Computer Output to Laser Disk/Enterprise Report Management | In English | → Document processing → Knowledge management |
| COLO | Club Opportunité des Logiciels Ouverts | In French | → Organizations and associations → Software |
| CoLoSS | COnstraint LOcal Search Solver | In English | → Computer-based techniques |
| COM | Computer Output Microfiche | In English | |
| COM | Computer Output Microfilm | In English | → Data |
| COMA | Cache-Only Memory Architecture | In English | → Memories |
| COMORE | Contrôle et Modélisation de Ressources Renouvelables | In French | → Environmental protection |
| ComPh | Computers in Physics | In English | → Serial publications, periodicals → Physics |
| CompJ | The Computer Journal | In English | → Serial publications, periodicals |
| CompM | Computational Mechanics | In English | → Serial publications, periodicals → Mechanics |
| CompTIA | Computing Technology Industry Association | In English | → Associations |
| ComSE | Computing Systems in Engineering | In English | → Serial publications, periodicals → Engineering, technology |
| CONQUEST | Conference on Quality Engineering in Software Technology | In English | → Congresses → Software |
| COPEC | Contribution de la Psychologie et de l'Ergonomie Cognitives (à la coopération homme-machine dans la conduite automobile) | In French | → Human-computer interaction → Psychology → Vehicle engineering → Transport and postal services |
| CoPhC | Computer Physics Communications | In English | → Serial publications, periodicals → Physics |
| CoPhR | Computer Physics Reports | In English | → Serial publications, periodicals → Physics |
| COPS | Common Open Policy Service | In English | → Internet |
| CORBA | Common Object Request Broker Architecture | In English | → Networks, communication |
| CORDIC | COordinate Rotation DIgital Computer | In English | → Computer hardware |
| CORESE | Conceptual Resource Search Engine | In English | → Networks, communication → Libraries |
| COS | Console Operating System | In English | → Operating systems |
| COSMIC | Computer Software Management and Information Center | In English | |
| COSMOS | COmputer System for Main frame OperationS | In English | → Telecommunications |
| CoStr | Computers and Structures | In English | → Serial publications, periodicals |
| COSY | COntrôle de SYntaxe | In French | → Software |
| CP | Computer Program | In English | → Computer programs |
| CP | Console Processor | In English | → Computer hardware |
| CP | Communication Processor | In English | → Computer hardware → Telecommunications |
| CP | Constraint Programming | In English | → Programming languages |
| CP/M | Control Program for Microcomputers | In English | → Operating systems |
| CPC | Computer Program Component | In English | → Computer programs |
| CPC | Combinatorics, Probability and Computing | In English | → Serial publications, periodicals → Mathematics |
| CPCEI | Computer Program Contract End Item | In English | → Computer programs |
| CPCI | Computer Program Change Instruction | In English | → Computer programs |
| CPCI | Computer Program Configuration Item | In English | → Computer programs |
| CPCR | Computer Program Change Request | In English | → Computer programs |
| CPCSS | CPC Software Solutions | In English | → Software |
| CPDDS | Computer Program Detail Design Specification | In English | → Computer programs |
| CPDP | Computer Program Development Plan/Program | In English | → Computer programs |
| CPDS | Computer Program Design Specification | In English | → Computer programs |
| CPDS | Computer Program Detailed Specification | In English | → Computer programs |
| CPDS | Computer Program Development Specification | In English | → Computer programs |
| CPEI | Computer Program End Item | In English | → Computer programs |
| CPEX | Customer Profile EXchange | In English | → Software → Trade |
| CPIC | Computer Program Integration Contract | In English | → Computer programs |
| CPL | Combined Programming Language | In English | → Programming languages |
| CPLD | Complex Programmable Logic Device | In English | → Computer hardware → Electronics |
| CPM | Computer Program Module | In English | → Computer programs |
| CPOL | Code Project Open License | In English | → Industrial property → Software |
| CPPN | Compositional Pattern-Producing Network | In English | → Artificial intelligence |
| CPPS | Computer Program Product Specification | In English | → Computer programs |
| CPRS | Czechoslovak Pattern Recognition Society | In English | → Organizations and associations → Computer-based techniques → Czech Republic |
| CPSS | Critical Phase System Software | In English | → Software |
| CPT | Computer Program Tape | In English | → Computer programs |
| CPU | Central Processing Unit | In English | → Computer hardware |
| CPU | Command Processor Unit | In English | → Computer hardware |
| CPU | Computer Printer Unit | In English | |
| CPU | Computer Processing Unit | In English | → Computer hardware |
| CQL | Common Query Language | In English | → Programming languages → Networks, communication |
| CR | Carriage Return | In English | |
| CRC | Cyclic Redundancy Check | In English | → Data → Networks, communication → Telecommunications |
| CRCS | Conference Reservation and Control System | In English | → Software → Congresses |
| CRDP | Computer Resource Development Plan | In English | |
| CREAM | Cosmic Radiation Effects and Activation Monitor | In English | → Computer hardware → Astronautics |
| CREATIS | Centre de Recherche et d'Applications en Traitement de l'Image et du Signal (www.creatis.univ-lyon1.fr) | In French | → Research institutes → Image processing → Telecommunications → France |
| CREIS | Centre de Coordination pour la Recherche et l'Enseignement en Informatique et Société (www.creis.sgdg.org) | In French | → Research institutes |
| CREMA | Cloud-based Rapid Elastic Manufacturing | In English | → 9944 → Networks, communication |
| CReSS | Cloud Resolving Storm Simulator | In English | → Computer simulation → Meteorology, climatology |
| CRHC | Center for Reliable and High-Performance Computing | In English | |
| CRIA | Centre Relais Informatique Académique | In French | → Documentation → Education |
| CRIH | Centre Régional d'Informatique Hospitalière | In French | → Medicine |
| CRIN | Centre de Recherche en Informatique de Nancy | In French | → Research institutes |
| CRIS | Current Research Information Systems | In English | → Data → Knowledge management |
| CRISD | Computer Resource Integration Support Document | In English | |
| CRISD | Computer Resources Integrated Support Document | In English | |
| CRISP | Computer Resources Integrated Support Plan | In English | |
| CRISTAL | Centre de Recherche en Réseaux, Systèmes et Image Multimédia | In French | → Research institutes → Networks, communication → Computer-based techniques |
| CRISTINA | Centralisation du Renseignement Intérieur pour la Sécurité du Territoire et les Intérêts Nationaux | In French | → Data → Police |
| CRMA | Cyclic Reservation Multiple Access | In English | → Networks, communication |
| CRMS | Clinical Risk Management System | In English | → Software → Quality management → Medicine → Accidents, risks, safety |
| CRQ | Continuous Repeat Request | In English | → Networks, communication |
| CRR | Computer Run Report | In English | |
| CRS | Computer Resources Support | In English | |
| CRS | Central Reservation System | In English | → Software → Tourism |
| CRT | Computer Response Time | In English | |
| CRU | Comité Réseau des Universités (www.cru.fr) | In French | → Networks, communication → Higher education, universities → France |
| CS&L | Computer Speech & Language | In English | → Serial publications, periodicals → Language, linguistics, literature |
| CSA | Cambridge Scientific Abstracts | In English | → Databases → Bibliography → Libraries → United States |
| CSC | Computer Sciences Corporation (www.csc.com) | In English | |
| CSC | Computer Software Component | In English | → Software |
| CSC | Computer Software Configuration | In English | → Software |
| CSCI | Computer Software Configuration Item | In English | → Software |
| CSCI | Configuration Software Computer Item | In English | → Software |
| CSCW | Computer Supported Cooperative Work | In English | → Computer-based techniques |
| CSD | Computer System Director | In English | |
| CSDF | Central Source Data File | In English | → Files → Data |
| CSDM | Computer System Diagnostic Manual | In English | |
| CSDT | Computer Software Data Tape | In English | |
| CSE | Computer Support Equipment | In English | |
| CSE | Computer Science and Engineering | In English | → Electronics |
| CSEd | Computer Science Education | In English | → Serial publications, periodicals → Education |
| CSI | Crew Software Interface | In English | → Human-computer interaction |
| CSI | Customer Service Interface | In English | → Human-computer interaction |
| CSIA | Centre de Soutien Informatique des Armées | In French | → Military affairs |
| CSIR | Computer Software Integration Review | In English | → Software |
| CSIR | Computer Systems Integration Review | In English | → Computer hardware |
| CSL | Computer Status Light | In English | |
| CSM | Computer Status Matrix | In English | |
| CSMA | Computational Structural Mechanics and Applications | In English | → Serial publications, periodicals → Mechanics |
| CSMI | Commission Spécialisée des Marchés d'Informatique | In French | |
| CSN | Commerce Services Network | In English | → Software → Trade |
| CSOM | Computer System Operator's Manual | In English | |
| CSP | Certified Special Processor | In English | → Computer hardware |
| CSPL | Certified Special Processor List | In English | → Computer hardware |
| CSPU | Core Segment Processing Unit | In English | |
| CSQ | Contrôle Statistique de la Qualité | In French | → Data → Statistics |
| CSR | Continuous Speech Recognition | In English | → Computer-based techniques → Linguistics |
| CSRP | Computer and Software Review Panel | In English | → Computer hardware → Software |