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

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Integrated Development Environment (IDE) Features

The components and tools provided by an IDE to support software development, including code editors, compilers, debuggers, and version control.

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

Integrated Development Operations (DevOps)

Practices that combine software development (Dev) and IT operations (Ops) to shorten the development life cycle and provide continuous delivery.

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

Integrated Performance Management

A holistic approach that integrates various aspects of performance management, including business process, technology, and people management, to improve organizational efficiency and effectiveness.

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

Integrated Software

A collection of software especially created to work on closely related programs. It's designed to facilitate the work of groups of people in a corporate environment by sharing data and processes among various departments.

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

Integrated Threat Management

A comprehensive approach to managing and mitigating security threats that involves coordinating various security measures and technologies across an organization.

You will find this term commonly used in Security, Cybersecurity

Integration

The process of combining software components or subsystems into an overall system. It is a critical phase in software development where all the different parts of an application are combined.

You will find this term commonly used in Software Development

Integration Testing

A level of software testing where individual units are combined and tested as a group to expose faults in the interaction between units.

You will find this term commonly used in Software Development

Intellectual Property (IP)

Legal rights that creators have over their inventions and creations. In IT, this can include software, designs, and technology. It is crucial for protecting innovation and creativity in the field.

You will find this term commonly used in General IT, Legal

Intellectual Property (IP) Theft

The theft of ideas, inventions, and creative expressions, which can include everything from trade secrets and proprietary products and parts to movies, music, and software.

You will find this term commonly used in Legal, Security

Intellectual Property Theft

The stealing of ideas, inventions, and creative expressions. In IT, this can include software piracy, the unauthorized replication of technology, and the illicit use of proprietary software or hardware designs.

You will find this term commonly used in Cybersecurity, Legal

Intelligent Agent

Software that performs tasks on behalf of users or other programs, with some degree of autonomy.

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

Intelligent Automation

The combination of artificial intelligence (AI) and automation technologies to create systems that can simulate human understanding and automate complex processes.

You will find this term commonly used in AI, Robotics

Intelligent Network (IN)

A type of telecommunications network architecture that allows for the rapid introduction of services and provides operators and service providers the ability to control and customize services.

You will find this term commonly used in Networking, Telecommunications

Intelligent Systems

Computer systems that exhibit characteristics of artificial intelligence, such as learning, adaptation, and decision-making, applied in various domains like robotics, expert systems, and natural language processing.

You will find this term commonly used in AI, Development

IntelliJ IDEA

An integrated development environment (IDE) written in Java for developing computer software.

You will find this term commonly used in Software Development

Inter-Process Communication (IPC)

A set of programming interfaces that allows a programmer to coordinate activities among different program processes that can run concurrently in an operating system.

You will find this term commonly used in Software Development

Interactive Application

Software that accepts input from humans as it runs, often used in contrast to batch processing applications.

You will find this term commonly used in Software Development

Interactive Data Visualization

The use of visual representations of data to explore, understand, and communicate complex information interactively, often using software that allows users to manipulate and explore datasets in real-time.

You will find this term commonly used in Data Analysis, Business Intelligence

Interactive Development Environment

An environment that provides immediate feedback to the programmer for each action, facilitating a more dynamic and rapid development process. Often confused with Integrated Development Environment (IDE), but focuses more on the interactivity aspect.

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

Interactive Kiosk

A computer terminal featuring specialized hardware and software that provides access to information and applications for communication, commerce, entertainment, or education.

You will find this term commonly used in Hardware, General IT

Interchange Format

A standard format for exchanging data between systems or software applications.

You will find this term commonly used in Data Management, Interoperability

Intercloud

The interconnection of cloud computing services from different providers, enabling data and application portability, as well as the ability to leverage multiple cloud environments to improve performance, reliability, and scalability.

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

Interdisciplinary Computing

The integration of computing methods and technologies into diverse fields of study, promoting innovation and new approaches to research and development.

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

Interface

In computing, it refers either to a user interface or a software interface that allows two or more software entities to communicate with each other.

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

Interface Design

The process of creating interfaces in software or computerized devices with a focus on looks or style, aiming to improve the user experience by making the interface easy and pleasant to use.

You will find this term commonly used in UI/UX Design, Software Development

Interface Segregation Principle

A principle in object-oriented design that states no client should be forced to depend on methods it does not use. It's part of the SOLID principles aimed at making software designs more understandable, flexible, and maintainable.

You will find this term commonly used in Software Development

Interface Segregation Principle (ISP)

A principle in object-oriented design that states no client should be forced to depend on methods it does not use.

You will find this term commonly used in Software Development

Interference Information

In wireless communications, information related to the interference experienced by signals, which can be used to adjust systems or protocols to improve communication quality.

You will find this term commonly used in Networking, Telecommunications

Interlaced PNG (iPNG)

An extension of the Portable Network Graphics (PNG) format that allows an image to be displayed in a progressive manner as it is downloaded over networks, improving user experience on slow connections.

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

Internal Audit

An organizational initiative to assess and improve its processes, ensuring compliance and identifying process improvements.

You will find this term commonly used in IT Management, Security

Internal Network

A network that is restricted to the devices and users within an organization, providing controlled access to resources, often isolated from the external internet for security purposes.

You will find this term commonly used in Networking, Security

Internal Rate of Return (IRR) for IT Projects

A financial metric used to estimate the profitability of potential investments in IT projects, calculated as the rate of return that makes the net present value of all cash flows from a particular project equal to zero.

You will find this term commonly used in IT Management, Finance

International Cybersecurity Standards

A set of globally recognized guidelines and practices for securing information systems and managing cyber risks, such as ISO/IEC 27001.

You will find this term commonly used in Security, Cybersecurity

International Data Encryption Algorithm (IDEA)

A symmetric key block cipher used in data encryption.

You will find this term commonly used in Security, Cryptography

International Software Testing Qualifications Board (ISTQB)

An organization that offers globally recognized certifications in software testing, defining standardized practices and methodologies.

You will find this term commonly used in Development, Quality Assurance

Internationalization (i18n)

The practice of designing and developing software applications in a way that makes them adaptable to various languages and regions without engineering changes.

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

Internet Backbone

The principal data routes between large, strategically interconnected networks and core routers on the Internet. It is a collection of high-speed data transfer lines that connect major nodes or routing centers.

You will find this term commonly used in Networking, Internet Technology

Internet Exchange Point (IXP)

A physical infrastructure through which Internet service providers (ISPs) and Content Delivery Networks (CDNs) exchange Internet traffic between their networks.

You will find this term commonly used in Networking

Internet Governance

The development and application by governments, the private sector, and civil society, in their respective roles, of shared principles, norms, rules, decision-making procedures, and programs that shape the evolution and use of the Internet.

You will find this term commonly used in Internet Technology, Policy

Internet Governance Forum (IGF)

A multi-stakeholder forum for policy dialogue on issues of internet governance, including the sustainability, robustness, security, stability, and development of the internet.

You will find this term commonly used in Networking, Internet Policy

Internet Health Report

An annual report that provides insights into the global condition of the internet, including security, connectivity, and innovation, aiming to improve the internet's ecosystem.

You will find this term commonly used in Networking, Internet Policy

Internet of Things (IoT)

The Internet of Things (IoT) refers to a network of interconnected devices or objects embedded with sensors, software, and connectivity features, enabling them to collect and exchange data, automate tasks, and interact with the environment.

You will find this term commonly used in IoT, Embedded Systems, Smart Devices

Internet Protocol Suite

The conceptual model and set of communications protocols used on the Internet and similar computer networks. Commonly known as TCP/IP.

You will find this term commonly used in Networking

Internet Protocol Television (IPTV) Technologies

Technologies used to deliver television services over the internet or local area networks (LANs), unlike traditional terrestrial, satellite signal, and cable television formats.

You will find this term commonly used in Networking, Telecommunications

Internet Service Manager (ISM)

A management tool provided by Microsoft for managing Internet Information Services (IIS) and other web services, allowing administrators to create and manage web sites, applications, and virtual directories.

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

Internet Service Quality

The measurement and assessment of the performance and reliability of internet services, including speed, uptime, and user satisfaction.

You will find this term commonly used in Networking, Service Management

Interoperability

The ability of computer systems or software to exchange and make use of information without special effort from the user or the system.

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

Interoperability Standards

Agreed-upon specifications for making systems and products work together. These standards enable different information technology systems and software applications to communicate and exchange data.

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

Interoperability Testing

Testing that evaluates the interoperability of a software application or system with others, ensuring they can work together within the same environment.

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

Interpolation

A method of constructing new data points within the range of a discrete set of known data points.

You will find this term commonly used in Programming, Data Analysis

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