Prolegomena, fundamentals of knowledge and culture, propaedeutics.
| Acronym | Sense | Language | Topics |
|---|---|---|---|
| OS3B | Open Software Blanc Bleu Belge | In French | → Organizations and associations → Software → Belgium |
| OSCAR | Outils de Services, Conseils et Assistance Rapide | In French | → Computer science |
| OSCF | Operations Support Computing Facility | In English | → Computer science |
| OSCR | Orbiter Software Change Request | In English | → Software → Astronautics |
| OSCRS | Orbital Spacecraft Consumables Resupply System | In English | → Maintenance and logistics → Astronautics |
| OSDL | Open Source Development Labs | In English | → Software |
| OSDL | Open Source Development Lab | In English | → Software |
| OSE | Open System Environment | In English | → Computer science |
| OSERA | Ohio Scientific Education & Research Association (www.osera.org) | In English | → Associations → Education → Research policy → United States |
| OSF | Open Software Foundation | In English | → Foundations → Software |
| OSGi | Open Services Gateway initiative (www.osgi.org) | In English | → Organizations and associations → Software |
| OSI | Open Source Initiative | In English | → Software |
| OSID | Operating System Interface Definition | In English | → Operating systems → Human-computer interaction |
| OSIM | Open Source In Morocco | In English | → Organizations and associations → Software → Morocco |
| OSIRIS | Outil de Synthèse Informatique des Résultats et Indicateurs Standardisés | In French | → Software |
| OSIRIS | Organisation et Système Informatisé de Rangement des Informations Stratégiques | In French | → Software |
| OSIRIS | Observatoire des Systèmes d'Informations, des Réseaux et des Inforoutes au Sénégal (www.osiris.sn) | In French | → Organizations and associations → Software → Networks, communication → Telecommunications |
| OSM | Operational Status Monitoring | In English | → Management |
| OSMP | Operational Support Maintenance Plan | In English | → Maintenance and logistics |
| OSPF | Open Shortest Path First | In English | → Internet |
| OSRBD | Operational Software Reliability Benchmark Development | In English | → Software |
| OSSIU | Orbiter-Space Station Interface Unit | In English | → Human-computer interaction → Astronautics |
| OSSTMM | Open Source Security Testing Methodology Manual | In English | → Computer science |
| OSTDS | Office of Space Tracking and Data Systems | In English | → Data → Astronautics |
| OSTP | Office of Science and Technology Policy | In English | → Research policy → Engineering, technology |
| OSWA | Organizational Systems Wireless Auditor | In English | → Computer science |
| OT | Ohjelmistotekniikka = IT | Information Technology | In English = IT | Informationstechnik | In German = IT | Inligtingstegnologie | In Afrikaans = TI | Tecnologia da Informação | In Portuguese = TI | Tecnoloxías da información | In Galician = UT | Upplýsingatækni | In Icelandic = IT | Informationsteknik | In Swedish = IT | Informacijska Tehnologija | In Slovenian = IT | Informačné Technológie | In Slovak = ІТ | Інформаційні технології | In Ukrainian = ИТ | Информационные технологии | In Russian = IT | Informa Teknologio | In Esperanto = TI | Tecnologías de la Información | In Spanish = IT | Informacinės Technologijos | In Lithuanian = IT | Informācijas Tehnoloģijas | In Latvian |
In Finnish | → Computer science → Telecommunications |
| OTDA | Office of Tracking And Data Acquisition | In English | → Data |
| OTP | One-Time Password | In English | → Computer science |
| OTR | Operating Time Record | In English | → Records management |
| OVAL | Open Vulnerability and Assessment Language | In English | → Computer science |
| OVI | Operational Validation Inspection | In English | → Management → Engineering, technology |
| OVPR | Office of the Vice President for Research | In English | → Research policy |
| ÖWA | Österreichische Webanalyse (www.oewa.at) | In German | → Organizations and associations → Internet → Austria |
| OWASP | Open Web Application Security Project (www.owasp.org) | In English | → Software |
| ÖWiG | Österreischische Wissenschaftsgesellschaft (www.oewig.at) | In German | → Organizations and associations → Research policy → Austria |
| OWL | Web Ontology Language | In English | → Programming languages → Data → Internet → Semiotics |
| OWL-D | Ontology Web Language Description Logics | In English | → Programming languages → Data → Internet → Semiotics |
| OWL-S | Web Ontology Language for Web Services | In English | → Programming languages → Data → Internet → Semiotics |
| OWSE | OSSTMM Wireless Security Expert | In English | → Computer science |
| P&D | Panels and Displays | In English | → Human-computer interaction |
| P&D | Pesquisa e Desenvolvimento = R&D | Recherche et développement | In French = F&E | Forschung und Entwicklung | In German = R&D | Research and Development | In English = I+D | Investigación y Desarrollo | In Spanish = R&S | Ricerca e Sviluppo | In Italian = O&O | Onderzoek en Ontwikkeling | In Dutch = FoU | Forsøk og Utvikling | In Norwegian |
In Portuguese | → Research policy → Engineering, technology |
| P&I | Performance and Interface | In English | → Human-computer interaction |
| P&M | Production and Maintenance | In English | → Maintenance and logistics |
| P&MD | Productivity and Manufacturing Development | In English | → Maintenance and logistics |
| P&P | Policies and Procedures | In English | → Management |
| P&PQ | Productivity and Product Quality | In English | → Quality management |
| P&PQI | Productivity and Product Quality Improvement | In English | → Quality management |
| P&PQIC | Productivity and Product Quality Improvement Council | In English | → Quality management |
| P&Q | Productivity and Quality | In English | → Quality management |
| P&R | Performance and Resources | In English | → Maintenance and logistics |
| P2I | Preplanned Productivity Increase | In English | → Management |
| P2IC | Programme Interne aux Instituts Carnot | In French | → Research policy |
| P2P | Peer-to-Peer | In English | → Networks, communication |
| P3I | Preplanned Product Improvement | In English | → Management |
| P3I | Preplanned Production Improvement | In English | → Management |
| P3P | Platform for Privacy Preferences | In English | → Software |
| PaaS | Platform as a Service | In English | → Computer science |
| PACE | Product Acceptance Configuration Element | In English | → Quality management |
| PACE | Personal Achievement through Competency Evaluation | In English | → Personnel management → Labour, labour economics |
| PACLIDO | Protocoles et Algorithmes Cryptographiques Légers pour l’Internet Des Objets | In French | → Networks, communication → Internet |
| PACS | Picture Archiving and Communication System | In English | → Image processing → Medicine |
| PADSIM | Probabilistic Adaptive Simulation Model | In English | → Computer simulation |
| PAE | Problem Assessment Engineering | In English | → Quality management |
| PAI | Public Authority for Industry | In English | → Standardization → Public administration, government |
| PAIR | Portal to Asian Internet Resources | In English | → Libraries → Internet |
| PAL | Programmable Array Logic | In English | → Computer hardware → Electronics |
| PALP | Programme d'Armement à Logiciel Prépondérant | In French | → Military engineering → Software |
| PAMI | Pattern Analysis and Machine Intelligence | In English | → Artificial intelligence → Computer-based techniques |
| PAMPAS | Pioneering Advanced Mobile Privacy and Security (www.pampas.eu.org) | In English | → Computer-based techniques → Telecommunications |
| PANS | Personal Area Network System | In English | → Networks, communication |
| PANTER | Poste Auxiliaire de Numérisation, de Tracé et d'Études de Réseaux | In French | → Computer-based techniques → Energy economics → Electrical engineering |
| PAP | Projet Annuel de Performance | In French | → Management |
| PAPG | Plan d'Amélioration de la Productivité Globale | In French | → Management |
| PAPI | Point d'Accès Public à Internet | In French | → Internet |
| PAQ | Plan d'Assurance Qualité | In French | → Quality management |
| PAR | Problem Accountability Record | In English | → Records management → Quality management |
| PAR | Product Acceptance Review | In English | → Quality management |
| ParC | Parallel Computing | In English | → Serial publications, periodicals → Computer science |
| PARC | Palo Alto Research Center (www.parc.com) | In English | → Research institutes → Computer science |
| PaReL | Pattern Recognition Letters | In English | → Serial publications, periodicals → Computer-based techniques |
| PARS | Property Accountability Record System | In English | → Records management → Accounting |
| PARS | Programmed Airline Reservation System | In English | → Software → Transport by air → Tourism |
| PAS | Publicly Available Specifications | In English | → Standardization |
| PASC | Pacific Area Standards Congress | In English | → Congresses → Standardization |
| PASCAL | Pattern Analysis, Statistical Modelling and Computational Learning (www.pascal-network.org) | In English | → Artificial intelligence |
| PASO | Pattern-Oriented Software Architecture | In English | → Software |
| PASOLS | Pacific Area Senior Officer Logistics Seminar | In English | → Maintenance and logistics |
| PASS | Primary Avionics Software System | In English | → Software → Aeronautics, aircraft |
| PASSaGE | Pattern Analysis, Spatial Statistics and Geographic Exegesis | In English | → Computer-based techniques → Geography |
| PASTEL | Plateforme d'Assistance Technique Européenne en Lorraine | In French | → Research policy → Regional administration → France |
| PASTISS | Professional Analysis Software Tool for Inflatable Space Structures | In English | → Software → Mechanical engineering |
| PAT | Production Acceptance Test | In English | → Quality management |
| PATRIARCHE | Patrimoine Archéologique | In French | → Databases → Archeology |
| PauLLA | Pau Logiciels Libres Association | In French | → Associations → Software → Operating systems |
| PBB | Provider Backbone Bridge | In English | → Networks, communication → Telecommunications |
| PBB-TE | Provider Backbone Bridge - Traffic Engineering | In English | → Networks, communication → Telecommunications |
| PBBN | Provider Backbone Bridge Network | In English | → Networks, communication → Telecommunications |
| PBEB | Provider Backbone Edge Bridge | In English | → Networks, communication → Telecommunications |
| PBIC | Programmable Buffer Interface Card | In English | → Computer hardware → Software |
| PBIM | Programmable Buffer Interface Module | In English | → Software → Human-computer interaction |
| PBL | Policy Block List | In English | → Software → Networks, communication |
| PBM | Program Business Management | In English | → Management |
| PBS | Portable Batch System | In English | → Software → Networks, communication |
| PBS | Print Batch Services | In English | → Software → Peripheral devices |
| PBT | Provider Backbone Transport | In English | → Networks, communication → Telecommunications |
| PC | Programming Committee | In English | → Management |
| PC | Personal Computer = PK | Persoanlike kompjûter | In Frisian |
In English | → Computer hardware |
| PC&PM | Program Control and Performance Management | In English | → Software |
| PC-DOS | Personal Computer Disk Operating System | In English | → Operating systems |
| PCA | Popular Culture Association | In English | → Associations → Civilization, culture, progress |
| PCA | Programme Commun d'Activités | In French | → Management |
| PCAM | Punched-Card Accounting Machine | In English | → Computer hardware → Accounting |
| PCBC | Polskie Centrum Badań i Certyfikacji (www.pcbc.gov.pl) | In Polish | → Central administration → Standardization → Poland |
| PCD | Procurement Control Document | In English | → Quality management → Maintenance and logistics |
| PCDATA | Parsed Character Data | In English | → Data |
| PCGI | Perl Common Gateway Interface | In English | → Programming languages → Networks, communication |
| PCI | Peripheral Component Interconnect | In English | → Computer hardware → Telecommunications |
| PCI | Peripheral Controller Interface | In English | → Human-computer interaction |
| PCI-E | Peripheral Component Interconnect Express | In English | → Computer science → Electronics |
| PCL | Programming Checklist | In English | → Software |
| PCM | Pulse Code Modulation | In English | → Computer-based techniques → Music |
| PCMCIA | Personal Computer Memory Card International Association | In English | → Associations → Memories |
| PCMU | Programmable Control and Monitor Unit | In English | → Computer science |
| PCP | Program/Project Change Proposal | In English | → Management |
| PCP | Project Cost Plan | In English | → Management → Prices |
| PCR | Power Change Request | In English | → Quality management → Electrical engineering |
| PCR | Procedure Change Request | In English | → Quality management |
| PCR | Program Change Request | In English | → Quality management |
| PCR | Project Control Room | In English | → Management |
| PCR | Publication Change Request | In English | → Quality management |
| PCR | Projet Collectif de Recherche | In French | → Organizations and associations → Research policy |
| PCRAM | Phase Change Random Acces Memory | In English | → Memories |
| PCRD | Programme-Cadre de Recherche et de Développement | In French | → Research policy → Engineering, technology |
| PCRE | Perl-Compatible Regular Expression | In English | → Software |
| PCS | Professional Clinical Software | In English | → Software → Medicine |
| PCS | Program Control System | In English | → Management |
| PCS | Project Control System | In English | → Management |
| PCS | Performance Control System | In English | → Management |
| PCS | Planning and Control System | In English | → Management |
| PCSI | Projet de Coopération Scientifique Inter-universitaire | In French | → Research policy → Higher education, universities |
| PCTR | Protocol Conformance Test Report | In English | → Standardization |
| PDA | Personal Digital Assistant | In English | → Computer science → Telecommunications |
| PDA | Pushdown Automaton | In English | → Computer science |
| PDA | Plan de Développement Annuel | In French | → Management |
| PDAR | Program Description and Requirements | In English | → Management |
| PDB | Project Development Brochure | In English | → Management |
| PDCA | Plan, Do, Check, Act | In English | → Quality management |
| PDD | Program Definition Document | In English | → Management |
| PDD | Program Description Document | In English | → Management |
| PDES | Product Data Exchange Specification/Standard | In English | → Standardization → Trade |
| Portable Document Format | In English | → Programming languages → Data → Document processing |
|
| PDG | Président Directeur Général | In French | → Management |
| PDH | Plesiochronous Digital Hierarchy | In English | → Telecommunications → Networks, communication |
| PDI | Praktijkdiploma Informatica | In Dutch | → Specialized or polytechnical colleges → Computer science |
| PDL | Plan de Développement Logiciel | In French | → Software |
| PDM | Product Data Management | In French | → Management |
| PDM | Processor Data Monitor | In English | → Human-computer interaction → Data |
| PDP | Program Development Plan | In English | → Management |
| PDP | Project Definition Phase | In English | → Management |
| PDP-1 | Programmed Data Processor-1 | In English | → Computer hardware |
| PDR | Processed Data Recorder | In English | → Records management |
| PDR | Program Design Review | In English | → Management |
| PDS | Plan de Développement Stratégique | In French | → Management |
| PDSDL | Python-based Dynamic System Description Language | In English | → Programming languages |
| PDU | Protocol Data Unit | In English | → Networks, communication |
| PDU | Pilot Display Unit | In English | → Human-computer interaction → Aeronautics, aircraft → Astronautics |
| PE | Parity Error | In English | → Computer science |
| PEB | Performance Evaluation Board | In English | → Management |
| PEC | Proposal Evaluation Criteria | In English | → Management |
| PEGASUS | Preliminary Expert Ground Analysis Scheduler | In English | → Management |
| PEIR | Project Equipment Inspection Record | In English | → Records management |
| PEM | Plant Engineering and Maintenance | In English | → Maintenance and logistics |
| PEM | Privacy Enhanced Mail | In English | → Software |
| PENELOP | Protocole Étendu et Normalisé d'Échanges en Ligne pour les Opérations Patrimoniales | In French | → Networks, communication → Banks |
| PEO | Program Executive Officer | In English | → Management |
| PEP | Plant Engineering Procedure | In English | → Maintenance and logistics |
| PEP | Proposal Evaluation Panel | In English | → Management |
| PEPITE | Projet d'Évolution du PIlotage de Toutes les Entités | In French | → Management |
| PER | Plan d'Exposition aux Risques | In French | → Management → Accidents, risks, safety |
| PER | Preliminary Engineering Report | In English | → Management → Engineering, technology |
| PERB | Public Employment Relations Board | In English | → Organizations and associations → Labour, labour economics → Personnel management |
| PERL | Practical Extraction and Report Language | In English | → Computer programs |
| PERM | Programmgesteuerte Elektronische Rechenanlage | In German | → Computer hardware |
| PERT | Program Evaluation Research Task | In English | → Research policy |
| PERT | Program Evaluation and Review Technique | In English | → Management → Engineering, technology |
| PESSL | Parallel Engineering and Scientific Subroutine Library | In English | → Programming languages → Mathematics and natural sciences → Engineering, technology |
| PET | Persona-Enabling Toolkit | In English | → Networks, communication → Telecommunications |
| PET | Performance Enhancement Team | In English | → Management |
| PET | Personal Electronic Transactor | In English | → Computer hardware |
| PETSCII | PET Standard Code of Information Interchange | In English | → Computer science |
| PEXI | Pupitre d'EXploitation Informatisé | In French | → Computer hardware |
| PF | Projet de formation | In French | → Research policy → Education |
| PF | Performance Factor | In English | → Quality management |
| PFB | Payload Forward Bus | In English | → Computer architecture → Astronautics |
| PFR | Prime de Fonction et de Résultat | In French | → Personnel management → Public administration, government |
| PFS | Primary Flight Software | In English | → Software → Aeronautics, aircraft → Astronautics |
| PGC | Progiciel de Gestion du Contenu | In French | → Software → Knowledge management |
| PGI | Progiciel de Gestion Intégrée | In English | → Software |
| PGI | Progiciel de Gestion Intégré | In French | → Software |