Browse Definitions by Alphabet

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O'Neill Cylinder - An O'Neill cylinder is an orbiting space colony composed of two large cylinders that rotate in opposite directions to replicate the effects of Earth's gravity.
O2C - Order to cash (OTC or O2C) is a set of business processes that involve receiving and fulfilling customer requests for goods or services.
OA and M - OA&M (operations, administration, and management) is a general term used to describe the costs, tasks involved, or other aspects of operating, administering, and managing something such as a computer network.
OA&M - OA&M (operations, administration, and management) is a general term used to describe the costs, tasks involved, or other aspects of operating, administering, and managing something such as a computer network.
OA&M (operations, administration, and management) - OA&M (operations, administration, and management) is a general term used to describe the costs, tasks involved, or other aspects of operating, administering, and managing something such as a computer network.
OAB (offline address book) - An Offline Address Book is a downloaded copy of a Microsoft Outlook user's address list which allows the user access to email addresses when disconnected from Exchange Server.
OASIS - OASIS (Organization for the Advancement of Structured Information Standards) is a nonprofit, international consortium whose goal is to promote the adoption of product-independent standards for information formats such as Standard Generalized Markup Language (SGML), Extensible Markup Language (XML), and Hypertext Markup Language (HTML).
OASIS (Organization for the Advancement of Structured Information Standards) - OASIS (Organization for the Advancement of Structured Information Standards) is a nonprofit, international consortium whose goal is to promote the adoption of product-independent standards for information formats such as Standard Generalized Markup Language (SGML), Extensible Markup Language (XML), and Hypertext Markup Language (HTML).
OASIS Cloud Application Management for Platforms (CAMP) - OASIS Cloud Application Management for Platforms (CAMP) is a specification intended to foster interoperability between cloud environments and to simplify the management of cloud applications.
OAuth - OAuth (Open Authorization) is an open standard authorization framework for token-based authorization on the internet.
obfuscate - Obfuscation means to make something difficult to understand.
obfuscation - Obfuscation means to make something difficult to understand.
obfuscator - Obfuscation means to make something difficult to understand.
OBI - OBI (Open Buying on the Internet) is a proposed standard for business-to-business purchasing on the Internet, aimed particularly at high-volume, low-cost-per-item transactions.
object - In object-oriented programming (OOP), objects are the things you think about first in designing a program and they are also the units of code that are eventually derived from the process.
object code - Source code and object code refer to the "before" and "after" versions of a computer program that is compiled (see compiler) before it is ready to run in a computer.
object ID (OID) - An object identifier (OID) is an unambiguous, long-term name for any type of object or entity.
Object Linking and Embedding - OLE (Object Linking and Embedding) is Microsoft's framework for a compound document technology.
Object Linking and Embedding Database - OLE DB is Microsoft's strategic low-level application program interface (API) for access to different data sources.
Object Management Group - The OMG (Object Management Group) was formed in 1989 by a group of vendors for the purpose of creating a standard architecture for distributed objects (also known as "components") in networks.
object oriented programming - Object-oriented programming (OOP) is a computer programming model that organizes software design around data, or objects, rather than functions and logic.
Object Oriented Programming Systems Languages and Application - OOPSLA is the annual conference for Object-Oriented Programming Systems, Languages and Applications, sponsored by the SIGPLAN and SIGSOFT groups of the Association for Computing Machinery (ACM).
object recognition - Object recognition is at the convergence points of robotics, machine vision, neural networks and AI.
object relational mapping - Object-relational mapping (ORM) is a mechanism that makes it possible to address, access and manipulate objects without having to consider how those objects relate to their data sources.
Object Request Broker - Also see ORBS, a term easily confused with ORB.
object storage - Object storage, also called object-based storage, is an approach to addressing and manipulating units of storage called objects, in which files and metadata are combined.
object storage device (OSD) - An object-based storage device or object storage device (OBSD or OSD) is a computer storage system that organizes data into containers called objects that a user or application determines are related.
Object storage: Fast Guide - Get up to speed quickly about object storage, the role it plays in cloud storage and how it will be used in the enterprise.
object-oriented - Object-oriented programming (OOP) is a computer programming model that organizes software design around data, or objects, rather than functions and logic.
object-oriented database management system - An object-oriented database management system (OODBMS), sometimes shortened to ODBMS for object database management system, is a database management system (DBMS) that supports the modelling and creation of data as objects.
object-oriented database management system (OODBMS) - An object-oriented database management system (OODBMS), sometimes shortened to ODBMS for object database management system, is a database management system (DBMS) that supports the modelling and creation of data as objects.
object-oriented programming - Object-oriented programming (OOP) is a computer programming model that organizes software design around data, or objects, rather than functions and logic.
object-oriented programming (OOP) - Object-oriented programming (OOP) is a computer programming model that organizes software design around data, or objects, rather than functions and logic.
Object-oriented programming in the Enterprise - A fast guide to object-oriented programming in the Enterprise.
object-relational mapping - Object-relational mapping (ORM) is a mechanism that makes it possible to address, access and manipulate objects without having to consider how those objects relate to their data sources.
object-relational mapping (ORM) - Object-relational mapping (ORM) is a mechanism that makes it possible to address, access and manipulate objects without having to consider how those objects relate to their data sources.
OC levels - The Synchronous Optical Network (SONET) includes a set of signal rate multiples for transmitting digital signals on optical fiber.
OC-1 - The Synchronous Optical Network (SONET) includes a set of signal rate multiples for transmitting digital signals on optical fiber.
OC-12 - The Synchronous Optical Network (SONET) includes a set of signal rate multiples for transmitting digital signals on optical fiber.
OC-192 - The Synchronous Optical Network (SONET) includes a set of signal rate multiples for transmitting digital signals on optical fiber.
OC-2 - The Synchronous Optical Network (SONET) includes a set of signal rate multiples for transmitting digital signals on optical fiber.
OC-256 - The Synchronous Optical Network (SONET) includes a set of signal rate multiples for transmitting digital signals on optical fiber.
OC-3 - The Synchronous Optical Network (SONET) includes a set of signal rate multiples for transmitting digital signals on optical fiber.
OC-48 - The Synchronous Optical Network (SONET) includes a set of signal rate multiples for transmitting digital signals on optical fiber.
OC-768 - OC-768 is currently the fastest synchronous optical network (SONET) standard rate for data transmission on optical fiber as part of the broadband ISDN (BISDN).
OC-x - The Synchronous Optical Network (SONET) includes a set of signal rate multiples for transmitting digital signals on optical fiber.
Occam's razor - Ockham's razor (also spelled Occam's razor, pronounced AHK-uhmz RAY-zuhr) is the idea that, in trying to understand something, getting unnecessary information out of the way is the fastest way to the truth or to the best explanation.
occlusion - In 3-D graphic design, occlusion is the effect of one object in a 3-D space blocking another object from view.
Occupational Safety and Health Administration - Occupational Safety and Health Administration (OSHA) is a federal organization (part of the Department of Labor) that ensures safe and healthy working conditions for Americans by enforcing standards and providing workplace safety training.
Occupational Safety and Health Administration (OSHA) - Occupational Safety and Health Administration (OSHA) is a federal organization (part of the Department of Labor) that ensures safe and healthy working conditions for Americans by enforcing standards and providing workplace safety training.
Ockham's razor - Ockham's razor (also spelled Occam's razor, pronounced AHK-uhmz RAY-zuhr) is the idea that, in trying to understand something, getting unnecessary information out of the way is the fastest way to the truth or to the best explanation.
Ockham's razor (Occam's razor) - Ockham's razor (also spelled Occam's razor, pronounced AHK-uhmz RAY-zuhr) is the idea that, in trying to understand something, getting unnecessary information out of the way is the fastest way to the truth or to the best explanation.
OCM - Organizational change management (OCM) is a framework for managing the effect of new business processes, changes in organizational structure or cultural changes within an enterprise.
OCR - The Office for Civil Rights (OCR) is an organization within the U.
OCR - OCR (optical character recognition) is the use of technology to distinguish printed or handwritten text characters inside digital images of physical documents, such as a scanned paper document.
OCR (optical character recognition) - OCR (optical character recognition) is the use of technology to distinguish printed or handwritten text characters inside digital images of physical documents, such as a scanned paper document.
OCSIA - The Office of Cyber Security and Information Assurance (OCSIA) is part of the UK Cabinet Office, which sits at the centre of government.
OCSP - OCSP (Online Certificate Status Protocol) is one of two common schemes for maintaining the security of a server and other network resources.
OCSP (Online Certificate Status Protocol) - OCSP (Online Certificate Status Protocol) is one of two common schemes for maintaining the security of a server and other network resources.
octal latch - An octal latch is an integrated circuit (IC) that contains eight binary digital circuits called latches.
OCTAVE - OCTAVE (Operationally Critical Threat, Asset, and Vulnerability Evaluation) is a security framework for determining risk level and planning defenses against cyber assaults.
octet - In computers, an octet (from the Latin octo or "eight") is a sequence of eight bit s.
Octopus - Octopus is the production codename for a VMware file sharing application for the enterprise.
Oculus Rift - Oculus Rift is a VR headset that is designed to connect to a high-powered PC to enable advanced computations and graphics rendering.
OCW - OpenCourseWare (OCW) is an educational initiative developed by the Massachusetts Institute of Technology (MIT) to make the core teaching materials for all MIT graduate and undergraduate classes available at no cost to Internet users around the world.
OCX - An OCX is an Object Linking and Embedding (OLE) custom control, a special-purpose program that can be created for use by applications running on Microsoft's Windows systems.
OCx - The Synchronous Optical Network (SONET) includes a set of signal rate multiples for transmitting digital signals on optical fiber.
OD computing - On-demand (OD) computing is an increasingly popular enterprise model in which computing resources are made available to the user as needed.
ODBC - Open Database Connectivity (ODBC) is an open standard application programming interface (API) for accessing a database.
ODBMS - An object-oriented database management system (OODBMS), sometimes shortened to ODBMS for object database management system, is a database management system (DBMS) that supports the modelling and creation of data as objects.
ODCA (Open Data Center Alliance) - The Open Data Center Alliance (ODCA) is an independent information technology (IT) consortium whose goal is to develop a unified vision of cloud requirements.
ODF - The Open Document Format (ODF) is an XML-based open source file format for saving and exchanging text, spreadsheets, charts, and presentations.
ODI - ODI (Open Data-Link Interface) is a software interface that allows different Data-Link Layer protocols to share the same driver or adapter in a computer.
ODIN - ODIN (Open Device Identification Number) is a unique identifier derived from a mobile device�s Wi-fi �media access control (MAC) address.
ODIN (Open Device Identification Number) - ODIN (Open Device Identification Number) is a unique identifier derived from a mobile device�s Wi-fi �media access control (MAC) address.
ODL - Open and Distance Learning (ODL) is a general term for the use of telecommunication to provide or enhance learning.
ODL (Open and Distance Learning) - Open and Distance Learning (ODL) is a general term for the use of telecommunication to provide or enhance learning.
ODM (original design manufacturer) - An ODM (original design manufacturer) is a company that takes the original specifications of another company or individual and builds the design to the product specifications.
ODMA - ODMA (Open Document Management API or Application Program Interface) is an industry standard interface for managing documents that allows users to store, retrieve, and share them with security and version control.
ODMR - On-Demand Mail Relay (ODMR), also known as Authenticated TURN (ATRN), is an e-mail service that allows a user to connect to an Internet service provider (ISP), authenticate, and request e-mail using a dynamic IP address from any Internet connection.
ODP - The Open Directory Project (ODP) is a human-edited index of Web sites.
ODS - An operational data store (ODS) is a type of database that's often used as an interim logical area for a data warehouse.
ODX (Offloaded Data Transfer) - Offloaded Data Transfer (ODX) is a feature in Microsoft Windows Server 2012 that speeds up copy and move operations by allowing them to be performed by the storage hardware rather than the operating system.
Oe - The ampere per meter (symbolized A/m) is the International Unit of magnetic field strength.
OEBF - The Open eBook Forum (Open Electronic Book Forum or OEBF) is an organization whose purpose is to develop a specification for electronic content, based on existing HTML and XML standards, that allows electronic book content to be viewed on various devices (PC display, PDA, or eBook reader) and all platforms.
OEM - OEM, or original equipment manufacturer, is a broad term that describes a web of relationships among IT hardware vendors, hardware component makers, software vendors and channel partners such as resellers and distributors.
OEM (original equipment manufacturer) - OEM, or original equipment manufacturer, is a broad term that describes a web of relationships among IT hardware vendors, hardware component makers, software vendors and channel partners such as resellers and distributors.
oersted - The ampere per meter (symbolized A/m) is the International Unit of magnetic field strength.
OF-Config (OpenFlow Configuration and Management Protocol) - The OpenFlow Management and Configuration Protocol (OF-Config) is a protocol developed under the Open Networking Foundation used to manage physical and virtual switches in an OpenFlow environment.
OFB - In cryptography, output feedback (OFB) is a mode of operation for a block cipher.
OFDM - Orthogonal frequency-division multiplexing (OFDM) is a method of data transmission where a single information stream is split among several closely spaced narrowband subchannel frequencies instead of a single wideband channel frequency.
OFDMA (orthogonal frequency-division multiple access) - Orthogonal frequency-division multiple access (OFDMA) is a feature of Wi-Fi 6 (802.
off the grid - Off the grid is a designation for facilities that produce all their own energy and are not connected to any external source, such as the electrical power grid.
off-grid data center - An off-grid data center is a facility that produces all its own power and is not connected to any external source, such as the electrical power grid.
off-hours communications - Off-hours communications are work-related emails, texts, phone calls, social media messaging and other communications that are transmitted when an employee is not officially working.
off-page SEO (off-site SEO) - Off-page SEO, also known as off-site SEO, is the efforts taken to boost a website's position in search engine results beyond the usual optimization strategies applied to the site itself.
off-peak - Off-peak, in a call center context, describes a time period with fewer calls than are handled in a busy period.
off-site backup - Off-site backup is a method of backing up data to a remote server or to media that is transported off site.
offensive security - Offensive security is a proactive and antagonistic approach to protecting computer systems, networks and individuals from attacks.
Office for Civil Rights - The Office for Civil Rights (OCR) is an organization within the U.

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