Browse Definitions :

Personal computing

Terms related to personal computers, including definitions about computers sold as consumer products and words and phrases about laptops, tablets and smartphones.

ULT - WHA

  • Ultra High-Definition TV (UHDTV) - Ultra-high-definition (UHD) television, also abbreviated UHDTV, is a digital television display format in which the horizontal screen resolution is on the order of 4000 pixels (4K UHD) or 8000 pixels (8K UHD).
  • ultra-mobile personal computer (UMPC or Ultra-mobile PC) - Ultra-mobile PC (UMPC) is a design specification for a hand-held computer that is larger than a PDA but smaller than a laptop.
  • ultrabook - An ultrabook is a category of thin and light laptop computers designed to bridge the market gap between tablets and premium notebook PCs.
  • uncanny valley - The uncanny valley is a common unsettling feeling people experience where androids (humanoid robots) and audio/visual simulations closely resemble humans in many respects but are not quite realistic.
  • unified communications (UC) - Unified communications (UC) is an umbrella term for the integration of multiple enterprise communication tools -- such as voice calling, video conferencing, instant messaging (IM), presence, content sharing, etc.
  • Unified Extensible Firmware Interface (UEFI) - Unified Extensible Firmware Interface, or UEFI, specifies how a software program connects a computer's firmware to its operating system and attached computing hardware.
  • Uniform Resource Identifier (URI) - A Uniform Resource Identifier (URI) is a character sequence that identifies a logical (abstract) or physical resource -- usually, but not always, connected to the internet.
  • uninterruptible power supply (UPS) - An uninterruptible power supply (UPS) is a device that allows a computer to keep running for at least a short time when incoming power is interrupted.
  • unique user - In Web marketing, a unique user is, for a specified period of time such as a day or month, an individual that has visited a Web site or received specific content, such as ads, e-mail, or newsletters.
  • Universal Naming Convention (UNC) - In a network, the Universal Naming Convention (UNC) is a way to identify a shared file in a computer without having to specify (or know) the storage device it is on.
  • Universal Plug and Play (UPnP) - Universal Plug and Play (UPnP) is a standard that uses Internet and Web protocols to enable devices such as PCs, peripherals, intelligent appliances, and wireless devices to be plugged into a network and automatically know about each other.
  • upcycling - Upcycling is the practice of creating a useable product from waste or unwanted items or adapting an existing product in some way to add value.
  • upgrade - In computers, an upgrade is a new version of or addition to a hardware or, more often, software product that is already installed or in use.
  • uploading - Uploading is the transmission of a file from one computer system to another, usually larger computer system.
  • URL (Uniform Resource Locator) - A URL (Uniform Resource Locator) is a unique identifier used to locate a resource on the Internet.
  • URL shortening - URL shortening is the translation of a long Uniform Resource Locator (URL) into an abbreviated alternative that redirects to the longer URL.
  • URN (Uniform Resource Name) - A URN (Uniform Resource Name) is an Internet resource with a name that, unlike a URL, has persistent significance - that is, the owner of the URN can expect that someone else (or a program) will always be able to find the resource.
  • usability - Also see human-computer interaction and graphical user interface.
  • USB 3.0 (SuperSpeed USB) - USB 3.0, also known as SuperSpeed USB, is the next major revision of the Universal Serial Bus (USB).
  • USB-C (USB Type C) - USB-C is a connection type standard designed to replace all USB types on the computer and device ends of future USB with a single reversible connector.
  • User Datagram Protocol (UDP) - User Datagram Protocol (UDP) is a communications protocol that is primarily used to establish low-latency and loss-tolerating connections between applications on the internet.
  • user environment management (UEM) - User environment management is a technology designed to allow IT to oversee a user's complete desktop experience, including the profile, any policies IT applies and customizations the user makes.
  • user installed application (UIA) - User installed applications (UIA) are programs that are installed on a computer by an end user, instead of by a corporate IT department.
  • User Principal Name (UPN) - In the Windows operating system's Active Directory, a User Principal Name (UPN) is the name of a system user in an e-mail address format.
  • user session (visit) - In tabulating statistics for Web site usage, a user session (sometime referred to as a visit) is the presence of a user with a specific IP address who has not visited the site recently (typically, anytime within the past 30 minutes).
  • Ustream - Ustream is an online video service provider that enables anybody with a camera and Internet connection to conduct a live interactive video broadcast to a global audience from anywhere in the world.
  • UTF-16 (16- bit Unicode Transformation Format) - UTF-16 (16- bit Unicode Transformation Format) is a standard method of encoding Unicode character data.
  • Uuencode (Uuencode/Uudecode) - Uuencode (also called Uuencode/Uudecode) is a popular utility for encoding and decoding files exchanged between users or systems in a network.
  • UXGA (Ultra Extended Graphics Array) - UXGA (Ultra Extended Graphics Array) is a display modein which the resolutionis 1600 pixels horizontally by 1200 pixels vertically (1600 x 1200).
  • VCR (videocassette recorder) - A VCR (videocassette recorder) is an electromechanical device for recording and playing back full-motion audio-visual programming on cassettes containing magnetic tape.
  • vector - A vector is a quantity or phenomenon that has two independent properties: magnitude and direction.
  • vector graphics - Vector graphics are computer images created through a sequence of commands or mathematical statements that place lines and shapes in a two-dimensional or three-dimensional space.
  • vertical interval time code (VITC) - Vertical interval time code (abbreviated VITC and sometimes pronounced VIHT-see) is a timing signal that is part of a video recording.
  • VHS (Video Home System) - VHS (Video Home System) is a widely-adopted videocassette recording (VCR) technology that was developed by Japan Victor Company (JVC) and put on the market in 1976.
  • Viber - Viber is a VoIP and instant messaging application with cross-platform capabilities that allows users to exchange audio and video calls, stickers, group chats, and instant voice and video messages.
  • video display unit (VDU) - A video display unit (VDU) consists of:A computer output device that uses a cathode ray tube or other technology to present visual imagesOne or more input devices, such as a keyboard, a mouse, or both.
  • video game design - Video game design is the process of conceiving, planning and directing the creation of a video game.
  • video projector - A video projector is an electronic device that takes input audio/visual signals and outputs video onto any flat surface.
  • video resume - A video resume is a brief account of a job applicant's professional experience, qualifications and interests, submitted to a prospective employer in video form.
  • video streaming service - A video streaming service is an on demand online entertainment source for TV shows, movies and other streaming media.
  • video wall - A video wall is a large display consisting of more than one video screen fixed together to form a single logical screen.
  • videogrammetry - Videogrammetry is the extraction of an object’s measurements from a video; measurements may be gathered from multiple angles or multiple videos.
  • Vimeo - Vimeo is a U.
  • Vint Cerf (Vinton Gray Cerf) - Vint Cerf (Vinton Gray Cerf) is an American computer scientist best known as an Internet pioneer.
  • virtual asset - A virtual asset is a digital representation of an item that has value in a specific environment.
  • virtual assistant (AI assistant) - A virtual assistant is an application program that can understand natural human language, speak natural language and complete electronic tasks for the end user.
  • virtual classroom - A virtual classroom is an online learning environment.
  • virtual community - A virtual community is a community of people sharing common interests, ideas, and feelings over the Internet or other collaborative networks.
  • virtual embodiment - Virtual embodiment is the perception of sensory feedback related to an individual’s virtual, non- physical body (also known as an avatar) and the effect it has on the individual’s cognition.
  • virtual hosting - On the Internet, virtual hosting is the provision of Web server hosting services so that a company (or individual) doesn't have to purchase and maintain its own Web server and connections to the Internet.
  • virtual keyboard - A virtual keyboard is a computer keyboard that a user operates by typing on or within a wireless- or optical-detectable surface or area rather than by depressing physical keys.
  • virtual presence - Virtual presence is the ability of a user to feel that they are actually in a virtual location such as a web site or an immersive simulation using technologies like virtual reality (VR) or augmented reality (AR).
  • virtual reality - Virtual reality is a simulated 3D environment that enables users to explore and interact with a virtual surrounding in a way that approximates reality, as it is perceived through the users' senses.
  • virtual reality cloud (VR cloud) - Virtual reality cloud is the application of cloud computing to create VR environments and experiences.
  • virtual reality gaming (VR gaming) - At its simplest, a VR game might involve a 3-D image that can be explored interactively on a computing device by manipulating keys, mouse or touchscreen.
  • virtual reality therapy (VR therapy) - Virtual reality therapy (VR therapy) is the use of simulated interactive and immersive environments as a tool for physical or psychological healthcare applications.
  • virtuality continuum - The virtuality continuum is the range of technologies integrating digital content into the user’s physical reality.
  • vishing (voice or VoIP phishing) - Vishing (voice or VoIP phishing) is an electronic fraud tactic in which individuals are tricked over the phone into revealing critical financial or personal information to unauthorized entities.
  • vision-correcting display - A vision-correcting display distorts the images on users' screens according to algorithms based on their prescriptions for eyeglasses.
  • visitor-based networking (visitor-based network) - Visitor-based networking (VBN) is a computer network with high-speed internet access provided by an organization for temporary use by visitors, guests or other users in a public area.
  • VKontakte (VK) - VKontakte (VK) is Europe's largest social networking website, with more than 100 million users.
  • vocoder - A vocoder is an audio processor that captures the characteristic elements of an an audio signal and then uses this characteristic signal to affect other audio signals.
  • voice over LTE (VoLTE) - Voice over LTE (VoLTE) is a digital packet technology that uses 4G LTE networks to route voice traffic and transmit data.
  • voice search - Voice search is a speech recognition technology that allows users to search by saying terms aloud rather than typing them into a search field.
  • voice-to-text - Voice-to-text is a type of speech recognition program that converts spoken to written language.
  • voicemail - Voicemail is a method of storing voice messages electronically for later retrieval by intended recipients.
  • von Neumann bottleneck - The von Neumann bottleneck is a limitation on throughput caused by the standard personal computer architecture.
  • voxel - A voxel is a unit of graphic information that defines a point in three-dimensional space.
  • VR headset (virtual reality headset) - A virtual reality headset is a heads-up display (HUD) that allows users to interact with simulated environments and experience a first-person view (FPV).
  • VR locomotion (virtual reality locomotion) - VR locomotion is technology that enables movement from one place to another (locomotion) within a virtual reality environment.
  • VR room (virtual reality room) - Unlike seated or stationary VR, a VR room allows the user to move around with a fair degree of freedom, which more closely replicates a real-world experience.
  • WAIS (Wide Area Information Servers) - WAIS (Wide Area Information Servers) is an Internet system in which specialized subject databases are created at multiple server locations, kept track of by a directory of servers at one location, and made accessible for searching by users with WAIS client programs.
  • walled garden - On the internet, a walled garden is an environment that controls the user's access to network-based content and services.
  • wallet - A wallet is a small software program used for online purchase transactions.
  • WAN (wide area network) - A wide area network (WAN) is a geographically distributed telecommunications network that interconnects multiple local area networks (LANs).
  • war driving (access point mapping) - War driving, also called access point mapping, is the act of locating and possibly exploiting connections to wireless local area networks while driving around a city or elsewhere.
  • warez - Warez (pronounced as though spelled "wares" or possibly by some pronounced like the city of "Juarez") is a term used by software "pirates" to describe software that has been stripped of its copy-protection and made available on the Internet for downloading.
  • watchdog timer (WDT) - A watchdog timer (WDT) is a device or electronic card that performs a specific operation after a certain period of time if something goes wrong with an electronic system and the system does not recover on its own.
  • water cooling - Water cooling, also called liquid cooling, is a method used to lower the temperature of computer processor units (CPUs), and sometimes graphics processor units (GPUs).
  • Wave file - A Wave file is an audio file format, created by Microsoft, that has become a standard PC audio file format for everything from system and game sounds to CD-quality audio.
  • wearable computer - A wearable computer is any small technological device capable of storing and processing data that can be worn on the body.
  • wearable technology - Wearable technology is any kind of electronic device designed to be worn on the user's body.
  • Web 2.0 - Web 2.0 are websites and applications that make use of user-generated content for end-users.
  • web offset printing - Web offset is a form of offset printing in which a continuous roll of paper is fed through the printing press.
  • Web presence - A Web presence (or Web site) is a collection of Web files on a particular subject that includes a beginning file called a home page.
  • web server - A web server is software and hardware that uses HTTP (Hypertext Transfer Protocol) and other protocols to respond to client requests made over the World Wide Web.
  • Web site - This definition is also listed under presence, site and Website.
  • Web texting - Web texting is two-way text messaging from the Web to a handheld mobile device, usually a cellular phone.
  • Web-Based Enterprise Management (WBEM) - Web-Based Enterprise Management (WBEM) is a set of industry standards that an enterprise can use to manage its information operations in the distributed computing environment of the Internet.
  • WebGL - WebGL is a graphics application programming interface (API) created for use in web applications.
  • webinar - A webinar is an educational, informative or instructional presentation that is made available online, usually as video or audio with slides.
  • weblog - A blog, short for weblog, is a frequently updated web page used for personal commentary or business content.
  • webOS - WebOS is an LG-owned, Linux based, smart TV operating system that is set up to allow control and access of LG Smart TV’s more advanced features and connected devices through a graphical user interface (GUI).
  • Weebly - Weebly is a freemium website creation and Web-hosting service.
  • weighted fair queueing (WFQ) - Weighted fair queueing (WFQ) is a method of automatically smoothing out the flow of data in packet-switched communication networks by sorting packets to minimize the average latency and prevent exaggerated discrepancies between the transmission efficiency afforded to narrowband versus broadband signals.
SearchNetworking
  • network security

    Network security encompasses all the steps taken to protect the integrity of a computer network and the data within it.

  • cloud-native network function (CNF)

    A cloud-native network function (CNF) is a service that performs network duties in software, as opposed to purpose-built hardware.

  • microsegmentation

    Microsegmentation is a security technique that splits a network into definable zones and uses policies to dictate how data and ...

SearchSecurity
  • incident response

    Incident response is an organized approach to addressing and managing the aftermath of a security breach or cyberattack, also ...

  • MICR (magnetic ink character recognition)

    MICR (magnetic ink character recognition) is a technology invented in the 1950s that's used to verify the legitimacy or ...

  • What is cybersecurity?

    Cybersecurity is the protection of internet-connected systems such as hardware, software and data from cyberthreats.

SearchCIO
  • privacy compliance

    Privacy compliance is a company's accordance with established personal information protection guidelines, specifications or ...

  • contingent workforce

    A contingent workforce is a labor pool whose members are hired by an organization on an on-demand basis.

  • product development (new product development -- NPD)

    Product development, also called new product management, is a series of steps that includes the conceptualization, design, ...

SearchHRSoftware
  • talent acquisition

    Talent acquisition is the strategic process employers use to analyze their long-term talent needs in the context of business ...

  • employee retention

    Employee retention is the organizational goal of keeping productive and talented workers and reducing turnover by fostering a ...

  • hybrid work model

    A hybrid work model is a workforce structure that includes employees who work remotely and those who work on site, in a company's...

SearchCustomerExperience
  • hockey stick growth

    Hockey stick growth is a growth pattern in a line chart that shows a sudden and extremely rapid growth after a long period of ...

  • Salesforce Trailhead

    Salesforce Trailhead is a series of online tutorials that coach beginner and intermediate developers who need to learn how to ...

  • Salesforce

    Salesforce, Inc. is a cloud computing and social enterprise software-as-a-service (SaaS) provider based in San Francisco.

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