IT Glossary - O - ITU Online IT Training
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IT Glossary
Key Terms To Know In The IT Industry

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Online Collaboration

Online collaboration involves the use of digital tools and platforms to enable individuals or groups to work together on projects, share information, and communicate in real-time, regardless of geographical location.

You will find this term commonly used in General IT, Communication, Collaboration

Online Collaboration Tools

Software applications and platforms that enable remote teams to work together, share information, and collaborate on projects over the internet.

You will find this term commonly used in Collaboration, Communication, General IT

Online Community

A group of people who interact and communicate with each other over the internet, often sharing common interests or goals.

You will find this term commonly used in Social Networking, Collaboration, General IT

Online Data Migration

The process of moving data from one location to another, one format to another, or one application to another, while it remains accessible to users or applications.

You will find this term commonly used in Data Management, Cloud Computing

Online Gaming

Video games played over the internet, typically involving multiplayer interaction and competition.

You will find this term commonly used in Gaming, Entertainment, General IT

Online Help Desk

A web-based support system that provides assistance and troubleshooting to users of a product or service.

You will find this term commonly used in Customer Support, IT Support, General IT

Online Learning

Education delivered over the internet, typically through web-based platforms and resources.

You will find this term commonly used in Education, E-Learning, General IT

Online Marketing

Marketing strategies and tactics conducted over the internet to promote products or services and attract customers.

You will find this term commonly used in Digital Marketing, Advertising, General IT

Online Marketplace

A digital platform that connects buyers and sellers, facilitating transactions of goods and services over the internet.

You will find this term commonly used in E-Commerce, Retail, General IT

Online Payment Gateway

A service that authorizes payment transactions for online purchases, facilitating secure transfer of funds between buyers and sellers.

You will find this term commonly used in E-Commerce, Finance, General IT

Online Presence Management

The process of managing and curating a brand or individual's presence on the internet and digital platforms, including social media, websites, and online advertising.

You will find this term commonly used in Online Marketing, Brand Management

Online Privacy

The protection of personal information and data transmitted over the internet from unauthorized access or disclosure.

You will find this term commonly used in Security, Privacy, General IT

Online Reputation Management

Strategies and techniques used to monitor, influence, and control the online perception of individuals, organizations, or brands.

You will find this term commonly used in Marketing, Brand Management, General IT

Online Retail

The sale of goods and services conducted over the internet through digital platforms or e-commerce websites.

You will find this term commonly used in E-Commerce, Retail, General IT

Online Streaming

The delivery of multimedia content, such as video or audio, over the internet in real-time, allowing users to consume the content as it is being delivered.

You will find this term commonly used in Media Streaming, Entertainment, General IT

Online Survey

A data collection method conducted over the internet, typically through web-based questionnaires or forms, to gather information from respondents.

You will find this term commonly used in Market Research, Data Collection, General IT

Online Transaction Processing

Online transaction processing (OLTP) is a type of transaction processing that emphasizes fast response times and real-time data processing for handling high volumes of online transactions in databases and systems.

You will find this term commonly used in General IT, Database Management, E-commerce

Ontology

A formal representation of knowledge, typically organized in a hierarchical structure, used in knowledge-based systems and AI.

You will find this term commonly used in AI, Knowledge Management, General IT

Opcode

The portion of a machine language instruction that specifies the operation to be performed. Beyond specifying the operation, an opcode may also specify the data to be used by the operation.

You will find this term commonly used in Programming, Computer Engineering

Opcode Caching

A technique to improve PHP script performance by storing precompiled script bytecode in shared memory, eliminating the need for PHP to load and parse scripts on each request.

You will find this term commonly used in Web Development

Opcode Stealing

A technique used in virtualization that involves intercepting and emulating sensitive operations of a virtual machine to maintain control over the virtualized environment.

You will find this term commonly used in Virtualization, Security

Open Access

The practice of providing unrestricted access to research publications and data, typically facilitated by digital technologies and the internet.

You will find this term commonly used in Education, Research, General IT

Open API

An application programming interface that is publicly available and allows developers to access certain features or data of a software application.

You will find this term commonly used in Software Development, Web Development, General IT

Open Authentication

A security principle that uses a decentralized authentication protocol, allowing users to be authenticated by cooperating sites using a third party service, without exposing passwords.

You will find this term commonly used in Security, Cybersecurity

Open Authentication Standard (OAuth)

A protocol that allows an end user's account information to be used by third-party services, such as Facebook, without exposing the user's password.

You will find this term commonly used in Cybersecurity, Web Development

Open Authorization (OAuth)

An open standard for access delegation, commonly used as a way for Internet users to grant websites or applications access to their information on other websites but without giving them the passwords.

You will find this term commonly used in Security, Web Development

Open Compute Project (OCP)

An initiative launched by Facebook to share more efficient server and data center designs with the general IT community.

You will find this term commonly used in Data Center Management, Hardware

Open Data

Data that can be freely accessed, used, modified, and shared by anyone.

You will find this term commonly used in Data Science, Data Analysis, General IT

Open Data Initiative

Efforts to promote the availability and use of open data across organizations and sectors, typically driven by government or industry initiatives.

You will find this term commonly used in Data Science, Government, General IT

Open Data Platform

A technology platform that enables the storage, management, and analysis of open data from various sources.

You will find this term commonly used in Data Science, Data Analysis, General IT

Open Data Source

A repository of data that is freely available for anyone to use, often maintained and curated by a community or organization.

You will find this term commonly used in Data Science, Data Analysis, General IT

Open Database Connectivity (ODBC)

A standard API for accessing database management systems (DBMS). It allows for a standardized way of interfacing with databases to perform SQL operations.

You will find this term commonly used in Database Management, Application Development

Open Directory Project

A multilingual open content directory of World Wide Web links that was maintained by a community of volunteer editors but is no longer active.

You will find this term commonly used in Web Development, Online Community

Open Educational Resources (OER)

Freely accessible, openly licensed text, media, and other digital assets that are useful for teaching, learning, and assessing as well as for research purposes.

You will find this term commonly used in Education, Digital Resources

Open Firmware

Firmware that is open source and can be modified by anyone, often used in embedded systems, network devices, and computers to control hardware operations.

You will find this term commonly used in Hardware, Open Source

Open Firmware (OF)

Firmware that is open source and can be modified by anyone. It is often used in computing and electronic devices to control hardware operations.

You will find this term commonly used in Hardware, Firmware

Open Graph

A technology first introduced by Facebook that allows integration between Facebook and its user data and a third-party website. By adding specific HTML tags to your web page, you can turn your web pages into rich objects in a social graph.

You will find this term commonly used in Web Development, Social Media

Open Graph Protocol

A protocol that allows developers to integrate their pages into the social graph. Web pages can become rich objects in a social graph.

You will find this term commonly used in Web Development, Online Marketing

Open Group Architecture Framework (TOGAF)

A framework for enterprise architecture that provides a comprehensive approach to design, planning, implementation, and governance of an enterprise information architecture.

You will find this term commonly used in Enterprise IT, Architecture

Open Handset Alliance (OHA)

A consortium of technology and mobile companies that was formed to develop open standards for mobile devices. One of the most well-known products to come from the OHA is the Android operating system.

You will find this term commonly used in Mobile Development, Standards

Open Innovation

A collaborative approach to innovation that involves sharing ideas, resources, and knowledge with external partners or the broader community.

You will find this term commonly used in Research and Development, Collaboration, General IT

Open Innovation Platform

An ecosystem or framework that facilitates collaboration, idea generation, and knowledge sharing among participants to drive innovation.

You will find this term commonly used in Research and Development, Collaboration, General IT

Open Mobile Alliance (OMA)

An industry forum for developing market-driven specifications for interoperable mobile service enablers that facilitate global user adoptions of mobile multimedia services.

You will find this term commonly used in Mobile Technology, Standards

Open Network Operating System (ONOS)

A software defined networking (SDN) OS for service providers that has scalability, high availability, high performance and abstraction to support a diverse set of network devices.

You will find this term commonly used in Networking, Cloud Computing

Open Networking Foundation (ONF)

A non-profit organization dedicated to the transformation of network infrastructure and carrier business models using network disaggregation, white box economics, and open source software.

You will find this term commonly used in Networking, Standards

Open Policy Agent (OPA)

An open source, general-purpose policy engine that enables unified, context-aware policy enforcement across the entire stack.

You will find this term commonly used in Security, Cloud Computing

Open Service Gateway initiative (OSGi)

A set of specifications that define a dynamic component system for Java, aiming to create a modular architecture for Java applications and services.

You will find this term commonly used in Software Development, Java

Open Shortest Path First (OSPF)

A routing protocol for Internet Protocol (IP) networks that uses a link state routing algorithm and falls into the group of interior gateway protocols.

You will find this term commonly used in Networking

Open Source

Software that is freely available and can be modified and redistributed by anyone, typically developed collaboratively by a community of users.

You will find this term commonly used in General IT

Open Source Cloud Platform

Platforms like OpenStack that provide an open-source framework for cloud services, enabling businesses and individuals to set up and manage cloud computing environments.

You will find this term commonly used in Cloud Computing, Open Source

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