Informatyka

• OOA - Object Oriented Analysis
• OTN - Oracle Technology Network
• OGCE - Open GIS Consortium (Europe)
• OOS - Occupational Overuse Syndrome / Out of service
• OSD - Open Source Definition
• ODF - Open Document Format
• ORDBMS - Object Relational DBMS
• OSS - Open source software
• BLOG - Open journal
• DMOZ - Open Directory Project
• Free Software Foundation - Organisation promoting the development of free software
• Java - Object oriented, platform independent, programming language
• Mozilla - Original name for Netscape Navigator / Open source toolkit
• OBDR - One Button Disaster Recovery
• OBS - Organizational Breakdown Structure / Observation
• OCI - Oracle Call Interface
• OCR - Optical Character Recognition
• ODBC - Open Database Connectivity
• OE - Outlook Express / Operator Error / Office Equipment
• OEM - Original Equipment Manufacturer
• OEP - Original Entry Point
• OGC - Open GIS Consortium
• OL - Outlook / Ordered list (tag) / Operating Losses
• OLAP - On-Line Analytical Processing
• OLCP - On-Line Complex Processing
• OLE - Object Linking and Embedding
• OLED - Organic Light Emitting Diode
• OLS - Open Location Services
• OLTP - On-Line Transaction Processing
• OMA - Open Mobile Alliance
• OMA DRM - Open Mobile Alliance Digital Rights Management
• OMG - Object Management Group / slang
• OMR - Optical Mark Reader / Optical Mark Recognition
• OO - Object oriented / Object orientation
• OOD - Object Oriented Design
• OOO - Out Of Office / OpenOffice.org
• OOP - Object oriented programming / Out of process / Out of print
• OOSD - Object Oriented Structured Design
• OP - Operator / Out of print / Observation point / Opera / Original post
• OPB - Oracle PowerBrowser
• OPEN - Object Oriented Process, Environment and Notation / Openly available /To access
• OpenLS - OpenGIS Location Service
• OPCS - Office for Population Censuses and Surveys
• OPM - Object Process Methodology / Office of Personnel Management
• OPS - Oracle Parallel Server / Operations (department)
• OS - Operating system / Open Source / Ordnance Survey
• OSI - Open Systems Interconnection / Open Source Initiative
• OSI Model - OSI 7 Layer reference model
• OSL - Open Subscription License
• OT - Off topic / Old Testament
• OTC - Order to cash / Online Technical Communities
• OTE - On Target Earnings
• OTOH - On the other hand
• OTP - One Time Password / One Time Programmable
• OTR - Other / Outer / On the read
• OTT - Over the top / Online teaching tools
• OU - Organisational Unit
• OWA - Outlook Web Access
• Petabyte - One million megabytes
• PL/SQL - Oracle's Procedural Language extension to SQL
• Seven layer reference model - OSI Seven Layer referencemodel
• Struts - Open framework for building Java web applications