IT Glossary - ITU Online IT Training

IT Glossary

IT Glossary
Key Terms To Know In The IT Industry

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Game Physics Engine

Software used to simulate physical systems in video games, such as gravity, collision, and motion, to create more realistic environments.

You will find this term commonly used in Game Development

Game Theory

A theory in economics and computer science that studies strategic interactions among rational decisionmakers. It has applications in various fields, including AI.

You will find this term commonly used in AI / General IT

Game Theory in Computing

The study of strategic decision making, applied in various computing contexts such as algorithm design, network analysis, and artificial intelligence to predict outcomes in interactions with defined sets of rules.

You will find this term commonly used in AI / Theoretical Computer Science

Gamification Techniques

The application of gamedesign elements and principles in nongame contexts to improve user engagement and problemsolving.

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

Gamma Correction

The process of adjusting the luminance of an image or video to compensate for the nonlinear response of display systems.

You will find this term commonly used in Image Processing, Graphics

GAN (Generative Adversarial Network)

A class of machine learning frameworks designed by Ian Goodfellow and his colleagues in 2014. Two neural networks contest with each other in a game.

You will find this term commonly used in AI

Gantt Chart

A type of bar chart that illustrates a project schedule. It shows the start and finish dates of the various elements and summary elements of a project.

You will find this term commonly used in Project Management

Gantt Chart Software

Applications specifically designed to create and manage Gantt charts for project planning and tracking.

You will find this term commonly used in Project Management

Garbage Collection

In computer science, garbage collection is a form of automatic memory management. The garbage collector attempts to reclaim garbage, or memory occupied by objects that are no longer in use by the program.

You will find this term commonly used in Software Development

Garbage Collection Algorithm

Algorithms designed to automatically reclaim memory occupied by objects that are no longer in use by a program, reducing memory leaks and optimizing performance.

You will find this term commonly used in Software Development, Memory Management

Gateway

A network node that connects two networks using different protocols together. It enables communication between different environments.

You will find this term commonly used in Networking

Gateway Address

An IP address that a networked computer uses to send data outside its local network. Typically, this is the address of a router or firewall.

You will find this term commonly used in Networking

Gateway Configuration

The process of setting up network gateways, which connect two different networks, enabling data routing and communication between them.

You will find this term commonly used in Networking, Configuration

Gateway Load Balancing Protocol (GLBP)

A Cisco proprietary protocol that attempts to overcome the limitations of existing redundant router protocols by adding basic load balancing functionality.

You will find this term commonly used in Networking

Gateway Protocol

Protocols used by gateways to communicate with each other and to route packets of data across networks.

You will find this term commonly used in Networking

Gateway Routing Protocol (GRP)

A protocol used by routers to communicate with each other and determine the best path for data transfer between networks.

You will find this term commonly used in Networking

Gaussian Blur

A common image processing operation, used to reduce image noise and detail by applying a Gaussian function. Its widely used in graphics software.

You will find this term commonly used in AI / General IT

Gaussian Filter

A type of image filter that smooths images by reducing noise and detail using the Gaussian function.

You will find this term commonly used in Image Processing, Computer Vision

Gaussian Mixture Model (GMM)

A probabilistic model for representing normally distributed subpopulations within an overall population. GMMs are commonly used in data clustering algorithms.

You will find this term commonly used in AI / Data Analysis

Gaussian Noise

A statistical noise having a probability density function equal to that of the normal distribution, also known as Gaussian distribution. Commonly used in signal processing and communication theory.

You will find this term commonly used in AI / Data Analysis

GCP (Google Cloud Platform) IAM

Identity and Access Management for Google Cloud Platform, it provides administrators the ability to manage cloud resources centrally by controlling who can take what action on specific resources.

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

GCP Cloud Functions

A serverless execution environment for building and connecting cloud services. With Cloud Functions, you can write simple, singlepurpose functions that are attached to events emitted from your cloud infrastructure and services.

You will find this term commonly used in Cloud Computing

GDPR (General Data Protection Regulation)

A regulation in EU law on data protection and privacy in the European Union and the European Economic Area. It also addresses the transfer of personal data outside the EU and EEA areas.

You will find this term commonly used in Security / Cybersecurity

General Availability (GA)

The stage in a productâs lifecycle when it is available to all customers, has passed all beta and testing phases, and is considered stable and fully functional.

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

General InterORB Protocol (GIOP)

A protocol that allows communication between Object Request Brokers (ORBs), enabling interoperability in CORBA systems.

You will find this term commonly used in Networking, Distributed Systems

Generative Design

A design method that uses algorithms to generate design options based on constraints and requirements, often leveraging AI and machine learning to explore all possible permutations of a solution efficiently.

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

Generic Programming

A style of computer programming in which algorithms are written in terms of types tobespecifiedlater that are then instantiated when needed for specific types provided as parameters.

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

Generic TopLevel Domain (gTLD)

One of the categories of toplevel domains (TLDs) maintained by the IANA, used in the Domain Name System of the Internet, includes domains like .com, .net, .org, and newer generic domains like .app, .tech.

You will find this term commonly used in Web Development

Genetic Algorithm

A search heuristic that is inspired by Charles Darwins theory of natural evolution. This algorithm reflects the process of natural selection where the fittest individuals are selected for reproduction in order to produce offspring of the next generation.

You will find this term commonly used in AI

Genetic Algorithm Optimization

A method inspired by natural evolution to solve optimization and search problems by iteratively selecting, combining, and mutating candidate solutions.

You will find this term commonly used in AI, Optimization

Genetic Programming

A type of Evolutionary Algorithm that aims at constructing programs, which are the best at performing a given computational task.

You will find this term commonly used in AI

GeoDistributed Systems

Systems that are distributed over wide geographical areas, often to enhance redundancy, fault tolerance, and user proximity.

You will find this term commonly used in Distributed Systems, Networking

GeoHashing

A method of encoding geographic locations into a short string of letters and digits, useful in various locationbased applications.

You will find this term commonly used in Data Encoding, Location Services

GeoReplicated Database

A database that is replicated across multiple geographic locations to reduce latency and increase availability.

You will find this term commonly used in Database Management, High Availability

GeoReplication

The process of replicating databases or files across different geographical locations for redundancy and quick access.

You will find this term commonly used in Networking / Database Management

Geocoding

The computational process of transforming a physical address description to a location on the Earths surface (spatial representation in numerical coordinates).

You will find this term commonly used in Data Analysis / GIS

Geofencing

A feature in a software program that uses the global positioning system (GPS) or radio frequency identification (RFID) to define geographical boundaries.

You will find this term commonly used in Networking / Security

Geographic Routing

A routing method that uses geographic positions as parameters for routing decisions, often used in mobile adhoc networks (MANETs) and vehicular adhoc networks (VANETs).

You will find this term commonly used in Networking

Geographical Information System (GIS)

A geographical information system (GIS) is a system designed to capture, store, analyze, and present spatial or geographic data, enabling users to visualize, interpret, and understand patterns and relationships in geographical information.

You will find this term commonly used in Geospatial Analysis, Mapping, Environmental Science

Geolocation

The process or technique of identifying the geographical location of a person or device by means of digital information processed via the Internet.

You will find this term commonly used in Networking / Security

Geometric Modeling

The mathematical modeling of objects shapes in 2D or 3D spaces, crucial in computer graphics, CAD, and simulation.

You will find this term commonly used in Computer Graphics, Design

Geometric Transformations

Operations that change the position, size, and orientation of shapes in graphics and geometric modeling.

You will find this term commonly used in Computer Graphics, CAD

Geospatial Analysis

The gathering, display, and manipulation of imagery, GPS, satellite photography, and historical data, usually represented by points, lines, or polygons on maps, related to positions on Earthâs surface.

You will find this term commonly used in AI / Data Analysis

Geospatial Data

Information that identifies the geographic location and characteristics of natural or constructed features and boundaries on the Earth, typically captured by satellite imagery or through location tracking technologies.

You will find this term commonly used in Data Analysis / GIS

Geotagging

The process of adding geographical identification metadata to various media such as photographs, videos, websites, or SMS messages. It includes latitude and longitude coordinates, but sometimes altitude, distance, and place names.

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

Gesture Analysis

The study and interpretation of human gestures using algorithms and sensors, often for HCI or surveillance applications.

You will find this term commonly used in HCI, Security

Gesture Control

A type of computer interface that interprets human gestures via mathematical algorithms. Gestures can originate from any bodily motion or state but commonly originate from the face or hand.

You will find this term commonly used in AI / Hardware

Gesture Detection

The process of interpreting human gestures via mathematical algorithms. Gestures can originate from any bodily motion or state but commonly originate from the face or hand.

You will find this term commonly used in AI / Human-Computer Interaction

Gesture Interface

A type of interface that allows users to interact with digital devices through bodily motions, typically using hands and fingers, without touching the device.

You will find this term commonly used in AI / Hardware

Gesture Navigation

A method of navigation on touchenabled devices where gestures, such as swiping, tapping, and pinching, are used to interact with the device, often replacing traditional buttonbased controls.

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

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