IT Glossary
Key Terms To Know In The IT Industry
View State
In web development, a method to preserve page and control values between postbacks.
You will find this term commonly used in Web Development
Viewport
In computer graphics, a viewport is the region of a display device or software window where visual content is shown.
You will find this term commonly used in General IT, Graphic Design
Virtual Address Space
The space in which a process maps its addresses. Physical memory (RAM) is mapped into virtual address space by the operating system.
You will find this term commonly used in General IT, Operating Systems
Virtual AGC (Apollo Guidance Computer)
An emulation of the computer used by the NASA Apollo missions.
You will find this term commonly used in Software Development, Historical Computing
Virtual Appliance
A pre-configured virtual machine image, ready to run on a hypervisor; it is designed to simplify software delivery and operation.
You will find this term commonly used in Cloud Computing, General IT
Virtual Application Network
A concept in network management that abstracts applications from the underlying network, facilitating easier deployment and management.
You will find this term commonly used in Networking
Virtual Assistant
A Virtual Assistant is an AI-powered software agent that can perform tasks or services for an individual based on voice commands or inputs. It can provide information, schedule appointments, make recommendations, and perform various other tasks.
You will find this term commonly used in AI, Natural Language Processing, General IT
Virtual Assistant Device
Hardware devices equipped with virtual assistant software, such as smart speakers or smart displays.
You will find this term commonly used in AI
Virtual Assistant Platform
A software platform that provides tools and services for developing and deploying virtual assistant applications.
You will find this term commonly used in AI
Virtual Backbone
A network infrastructure that appears to the user as a single, unified system but is actually composed of multiple networks or segments.
You will find this term commonly used in Networking
Virtual Base Class
In object-oriented programming, a class designed to be inherited but not instantiated.
You will find this term commonly used in Software Development
Virtual Build Environment (VBE)
An environment used in software development that allows developers to compile and test software in a virtual space that mimics the production environment.
You will find this term commonly used in Software Development
Virtual Circuit
A logical connection created within a network between two network devices.
You will find this term commonly used in Networking
Virtual Circuit Multiplexing
A technology that combines multiple virtual circuit communications onto a single physical link.
You will find this term commonly used in Networking
Virtual Collaboration
The use of digital platforms and tools to enable individuals to work together despite being geographically dispersed.
You will find this term commonly used in Business Strategy, Communication
Virtual Community
A social network of individuals who interact through specific social media, potentially crossing geographical and political boundaries in order to pursue mutual interests or goals.
You will find this term commonly used in Social Media, Web Services
Virtual Currency
A type of unregulated, digital money, which is issued and usually controlled by its developers, and used and accepted among the members of a specific virtual community.
You will find this term commonly used in E-commerce, Cryptocurrency
Virtual Deployment
The process of deploying software or applications in a virtual environment instead of on physical hardware.
You will find this term commonly used in Virtualization
Virtual Desktop Environment
A virtualized desktop infrastructure that provides users with access to their desktop environments from anywhere, using any device.
You will find this term commonly used in Virtualization
Virtual Desktop Infrastructure (VDI)
Virtual Desktop Infrastructure (VDI) is a technology that virtualizes desktop environments by running desktop operating systems and applications on virtual machines hosted in a data center or cloud infrastructure. It allows users to access their desktops remotely from any device.
You will find this term commonly used in Virtualization, Cloud Computing, General IT
Virtual Desktop Interface (VDI)
A desktop virtualization technology that enables users to access their desktop environments remotely from thin clients or other devices.
You will find this term commonly used in Virtualization
Virtual Device Context (VDC)
A feature in network devices that allows for the creation of multiple logical devices on a single physical hardware device.
You will find this term commonly used in Networking
Virtual Device Driver (VxD)
A software component that allows Windows operating systems to communicate with hardware devices at a low level.
You will find this term commonly used in Operating Systems
Virtual Directory
In web development, a directory that appears to the user as a single directory but actually maps to multiple directories in the filesystem.
You will find this term commonly used in Web Development
Virtual Disk
A file or set of files that simulates a physical disk drive.
You will find this term commonly used in Storage, Virtualization
Virtual DOM
A concept employed in some JavaScript frameworks which involves an in-memory representation of the UI.
You will find this term commonly used in Web Development
Virtual Event
An online event that involves people interacting in a virtual environment on the web, rather than meeting in a physical location.
You will find this term commonly used in General IT, Web Services
Virtual File System (VFS)
An abstraction layer on top of a more concrete file system, allowing clients to access different types of file systems in a uniform way.
You will find this term commonly used in Operating Systems
Virtual Function
In object-oriented programming, a function or method whose behavior can be overridden within an inheriting class by a function with the same signature.
You will find this term commonly used in Software Development
Virtual Goods
Non-physical objects and money purchased for use in online communities or online games.
You will find this term commonly used in General IT, E-commerce
Virtual Host
A method of hosting multiple domain names on a single server (or pool of servers).
You will find this term commonly used in Cloud Computing, Networking
Virtual Hosting
Hosting multiple domain names on a single server or IP address.
You will find this term commonly used in Web Hosting
Virtual Hosting Capacity
The capability of a server to host multiple domains or websites on a single server, often using a single IP address.
You will find this term commonly used in Web Hosting
Virtual Inheritance
A C++ technique that ensures a base class is only inherited once when multiple paths in the inheritance hierarchy lead to it.
You will find this term commonly used in Software Development
Virtual Keyboard
A software-based keyboard that allows the user to input data into a device without the need for a physical keyboard.
You will find this term commonly used in User Interface
Virtual LAN
A logical network segment that groups devices together, even if they are not physically connected on the same network switch.
You will find this term commonly used in Networking
Virtual Learning Environment (VLE)
A web-based platform for the digital aspects of courses of study, usually within educational institutions.
You will find this term commonly used in Education Technology
Virtual Learning Resource
An online educational material that supports learning processes, accessible through virtual learning environments.
You will find this term commonly used in Education Technology
Virtual Machine (VM)
A virtual machine (VM) is a software-based emulation of a physical computer that runs an operating system and applications, allowing multiple virtual machines to run on a single physical machine, each with its own virtualized hardware.
You will find this term commonly used in Virtualization, Cloud Computing, Hardware
Virtual Machine Backup
A process of creating copies of virtual machine data to protect against data loss or system failures.
You will find this term commonly used in Virtualization
Virtual Machine Disk (VMDK)
A file format that specifies containers for virtual hard disk drives to be used in virtual machines like VMware.
You will find this term commonly used in Virtualization
Virtual Machine Extension (VMX)
A configuration file that stores settings related to a virtual machine, including its hardware, operating system, and other data.
You will find this term commonly used in Virtualization
Virtual Machine Image
A file containing the entire state of a virtual machine, including its operating system, applications, and data, used for deployment and backup purposes.
You will find this term commonly used in Virtualization
Virtual Machine Manager
Software that allows administrators to create, manage, and monitor virtual machines and their resources in a virtualized environment.
You will find this term commonly used in Virtualization
Virtual Machine Migration
The process of moving a virtual machine from one physical server to another without disrupting its operation.
You will find this term commonly used in Virtualization
Virtual Machine Monitor (VMM)
Software or firmware that creates and runs virtual machines, allowing multiple operating systems to run on a single physical server.
You will find this term commonly used in Virtualization
Virtual Machine Snapshot
A read-only copy of a virtual machine's disk at a specific point in time, used for backup and recovery purposes.
You will find this term commonly used in Virtualization
Virtual Machine Template
A pre-configured virtual machine image that serves as a baseline for deploying multiple instances of similar virtual machines.
You will find this term commonly used in Virtualization
Virtual Memory
A memory management technique that provides an illusion of having more memory than is physically available by using disk space as an extension of RAM.
You will find this term commonly used in General IT
Virtual Memory System (VMS)
An operating system feature that uses hardware and software to allow a computer to compensate for physical memory shortages, using a portion of the disk as additional memory.
You will find this term commonly used in Operating Systems
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