5G – D

D

Dailymotion

Dailymotion is a French video-sharing technology platform primarily owned by Vivendi.[1] North American launch partners included BBC News, Vice Media, Bloomberg, and Hearst Digital Media.[2] Dailymotion is available worldwide in 183 languages and 43 localised versions featuring local home pages and local content. It has more than 300 million monthly users.[3]

https://en.m.wikipedia.org/wiki/Dailymotion

Daimler AG

Daimler AG (German pronunciation: [ˈdaɪmlɐ ʔaːˌɡeː] (About this soundlisten); previously named Daimler-Benz and DaimlerChrysler), commonly known and referred to as Mercedes-Benz, or simply as Daimler, is a German multinational automotive corporation headquartered in Stuttgart, Baden-Württemberg. It is one of the world’s leading car and truck manufacturers. Daimler-Benz was formed with the merger of Benz & Cie. and Daimler Motoren Gesellschaft in 1926. The company was renamed DaimlerChrysler upon acquiring the American automobile manufacturer Chrysler Corporation in 1998, and was again renamed Daimler AG upon divestment of Chrysler to Cerberus Capital Management in 2007 (Chrysler is currently owned by Stellantis).

As of 2014, Daimler owned or had shares in a number of car, bus, truck and motorcycle brands including Mercedes-Benz, Mercedes-AMG, Smart Automobile, Detroit Diesel, Freightliner, Western Star, Thomas Built Buses, Setra, BharatBenz, Mitsubishi Fuso, MV Agusta as well as shares in Denza, KAMAZ and BAIC Motor. The luxury Maybach brand was terminated at the end of 2012, but revived in April 2015 as “Mercedes-Maybach” versions of the Mercedes-Benz S-Class and Mercedes-Benz GLS-Class. In 2019, Daimler sold 3.3 million vehicles.[1] By unit sales, Daimler is the thirteenth-largest car manufacturer and is the largest truck manufacturer in the world. Daimler provides financial services through its Daimler Financial Services arm. The company is a component of the Euro Stoxx 50 stock market index.[4] Daimler AG complex in Stuttgart include central company headquarters, Mercedes-Benz and Daimler car plants, Mercedes-Benz Museum and stadium Mercedes-Benz Arena.

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https://en.m.wikipedia.org/wiki/Daimler_AG

Dassault Systèmes

Dassault Systèmes SE (French pronunciation: ​[daso sistɛm]) (abbreviated 3DS) is a French software corporation. It is among Fortune 50 list of the largest software companies that develops software for 3D product design, simulation, manufacturing and more.

https://en.m.wikipedia.org/wiki/Dassault_Syst%C3%A8mes

Data

Data are characteristics or information, usually numeric, that are collected through observation. In a more technical sense, data are a set of values of qualitative or quantitative variables about one or more persons or objects, while a datum (singular of data) is a single value of a single variable.

Although the terms “data” and “information” are often used interchangeably, these terms have distinct meanings. In some popular publications, data are sometimes said to be transformed into information when they are viewed in context or in post-analysis.[3] However, in academic treatments of the subject data are simply units of information. Data are used in scientific research, businesses management (e.g., sales data, revenue, profits, stock price), finance, governance (e.g., crime rates, unemployment rates, literacy rates), and in virtually every other form of human organizational activity (e.g., censuses of the number of homeless people by non-profit organizations).

Data are measured, collected and reported, and analyzed, whereupon it can be visualized using graphs, images or other analysis tools. Data as a general concept refers to the fact that some existing information or knowledge is represented or coded in some form suitable for better usage or processing. Raw data (“unprocessed data”) is a collection of numbers or characters before it has been “cleaned” and corrected by researchers. Raw data needs to be corrected to remove outliers or obvious instrument or data entry errors (e.g., a thermometer reading from an outdoor Arctic location recording a tropical temperature). Data processing commonly occurs by stages, and the “processed data” from one stage may be considered the “raw data” of the next stage. Field data is raw data that is collected in an uncontrolled “in situ” environment. Experimental data is data that is generated within the context of a scientific investigation by observation and recording.

Data has been described as the new oil of the digital economy.

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https://en.m.wikipedia.org/wiki/Data

Data (treated as singular, plural, or as a mass noun) is any sequence of one or more symbols given meaning by specific act(s) of interpretation.

Data (or datum – a single unit of data) requires interpretation to become information. To translate data to information, there must be several known factors considered. The factors involved are determined by the creator of the data and the desired information. The term metadata is used to reference the data about the data.

https://en.m.wikipedia.org/wiki/Data_(computing)

Data center

A data center (American English)[1] or data centre (British English)[2][note 1] is a building, dedicated space within a building, or a group of buildings[3] used to house computer systems and associated components, such as telecommunications and storage systems.

Since IT operations are crucial for business continuity, it generally includes redundant or backup components and infrastructure for power supply, data communication connections, environmental controls (e.g. air conditioning, fire suppression) and various security devices. A large data center is an industrial-scale operation using as much electricity as a small town.

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https://en.m.wikipedia.org/wiki/Data_center

In signal processing, data compressionsource coding, or bit-rate reduction is the process of encoding information using fewer bits than the original representation. Any particular compression is either lossy or lossless. Lossless compression reduces bits by identifying and eliminating statistical redundancy. No information is lost in lossless compression. Lossy compression reduces bits by removing unnecessary or less important information. Typically, a device that performs data compression is referred to as an encoder, and one that performs the reversal of the process (decompression) as a decoder.

https://en.m.wikipedia.org/wiki/Data_compression#Audio

In telecommunication, data signaling rate (DSR), also known as gross bit rate, is the aggregate rate at which data pass a point in the transmission path of a data transmission system.

https://en.m.wikipedia.org/wiki/Data_signaling_rate

Data storage

Data storage is the recording (storing) of information (data) in a storage medium. Handwriting, phonographic recording, magnetic tape, and optical discs are all examples of storage media, some authors even propose that DNA is a natural data storage mechanism.[1][2] Recording may be accomplished with virtually any form of energy. Electronic data storage requires electrical power to store and retrieve data.

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https://en.m.wikipedia.org/wiki/Data_storage

Database

A database is an organized collection of data, generally stored and accessed electronically from a computer system. Where databases are more complex they are often developed using formal design and modeling techniques.

The database management system (DBMS) is the software that interacts with end users, applications, and the database itself to capture and analyze the data. The DBMS software additionally encompasses the core facilities provided to administer the database. The sum total of the database, the DBMS and the associated applications can be referred to as a “database system”. Often the term “database” is also used to loosely refer to any of the DBMS, the database system or an application associated with the database.

Computer scientists may classify database-management systems according to the database models that they support. Relational databases became dominant in the 1980s. These model data as rows and columns in a series of tables, and the vast majority use SQL for writing and querying data. In the 2000s, non-relational databases became popular, referred to as NoSQL because they use different query languages.

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https://en.m.wikipedia.org/wiki/Database

Deezer

Deezer (stylized as deezer) is a French online music streaming service. It allows users to listen to music content from record labels, including Universal Music Group, Sony Music and Warner Music Group (owned by Deezer’s parent company Access Industries) as well as podcasts on various devices online or offline. Created in Paris, France, Deezer currently has 56 million licensed tracks in its library, with over 30,000 radio channels, 14 million monthly active users, and 7 million paid subscribers as of January 2019.[4] The service is available for Web, Android, iOS, Windows Mobile, BlackBerry OS, Windows, and MacOS.

https://en.m.wikipedia.org/wiki/Deezer

Dell

Dell is an American multinational computer technology company that develops, sells, repairs, and supports computers and related products and services. Named after its founder, Michael Dell, the company is one of the largest technology corporations in the wo9rld, employing more than 165,000 people in the U.S. and around the world. It is one of the biggest PC product companies in the world.

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https://en.m.wikipedia.org/wiki/Dell

Dell EMC

Dell EMC (until 2016, EMC Corporation) is an American multinational corporation headquartered in Hopkinton, Massachusetts and Round Rock, Texas, United States.[1] Dell EMC sells data storage, information security, virtualization, analytics, cloud computing and other products and services that enable organizations to store, manage, protect, and analyze data. Dell EMC’s target markets include large companies and small- and medium-sized businesses across various vertical markets.[2][3] The company’s stock (as EMC Corporation) was added to the New York Stock Exchange on April 6, 1986,[4] and was also listed on the S&P 500 index.

EMC was acquired by Dell in 2016; at that time, Forbes noted EMC’s “focus on developing and selling data storage and data management hardware and software and convincing its customers to buy its products independent of their other IT buying decisions” based on “best-of-breed.”[5] It was later renamed to Dell EMC. Dell uses the EMC name with some of its products.[6]

Pre-Dell EMC acquired Iomega in 2008;[7] Dell EMC formed a partnership with Lenovo in 2013, named LenovoEMC that superseded and rebranded Iomega.

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https://en.m.wikipedia.org/wiki/Dell_EMC

Denon

Denon (株式会社デノン, Kabushiki Kaisha Denon) is a Japanese electronics company started in 1910 by Frederick Whitney Horn, an American entrepreneur. Denon produced the first cylinder audio media in Japan and players to play them. Decades later, Denon was involved in the early stages of development of digital audio technology, while specializing in the manufacture of high-fidelity professional and consumer audio equipment. Denon made Japan’s first professional disc recorder and used it to record Emperor Hirohito’s voice. For many decades, Denon was a brand name of Nippon-Columbia, including the Nippon Columbia record label. The Denon brand came from a merger of Denki Onkyo (not to be confused with the other Onkyo) and others in 1939. In 2001, Denon was spun off as a separate company with 98% held by Ripplewood Holdings and 2% by Hitachi. In 2002, Denon merged with Marantz to form D&M Holdings. On March 1, 2017, Sound United LLC completed the acquisition of D+M Holdings.

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https://en.m.wikipedia.org/wiki/Denon

Desktop computer

A desktop computer is a personal computer designed for regular use at a single location on or near a desk or table due to its size and power requirements. The most common configuration has a case that houses the power supply, motherboard (a printed circuit board with a microprocessor as the central processing unit, memory, bus, and other electronic components, disk storage (usually one or more hard disk drives, solid state drives, optical disc drives, and in early models a floppy disk drive); a keyboard and mouse for input; and a computer monitor, speakers, and, often, a printer for output. The case may be oriented horizontally or vertically and placed either underneath, beside, or on top of a desk.

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https://en.m.wikipedia.org/wiki/Desktop_computer

Deutsche Telekom

Deutsche Telekom AG (German pronunciation: [ˌdɔʏtʃə ˈteːləkɔm ʔaːˌɡeː] (About this soundlisten); short form in writing only: DT; stylised as ·T···) is a German telecommunications company headquartered in Bonn and by revenue the largest telecommunications provider in Europe. Deutsche Telekom was formed in 1995, as the former state-owned monopoly Deutsche Bundespost was privatised. Since it was privatized, Deutsche Telekom has featured among Fortune 500 companies with its latest ranking 86 in 2020. The company operates several subsidiaries worldwide, including the mobile communications brand T-Mobile.

As of April 2020, the German government holds a 14.5% stake in company stock directly, and another 17.4% through the government bank KfW. The company is a component of the EURO STOXX 50 stock market index.

The Deutsche Bundespost was the federal German government postal administration created in 1947 as a successor to the Reichspost. It was also the major telephone company in West Germany.

On 1 July 1989, as part of a post office reform, Deutsche Bundespost was split into three entities, one being Deutsche Telekom. On 1 January 1995, as part of another reform, Deutsche Bundespost Telekom became Deutsche Telekom AG, and was privatized in 1996. As such, it shares a common heritage with the other privatized Deutsche Bundespost companies, Deutsche Post (DHL) and Deutsche Postbank.

Deutsche Telekom was the monopoly Internet service provider (ISP) for Germany until its privatization in 1995, and the dominant ISP thereafter. Until the early 21st century, Deutsche Telekom controlled almost all Internet access by individuals and small businesses in Germany, as they were one of the first German telecom units.

https://en.m.wikipedia.org/wiki/Deutsche_Telekom

Digital audio

Digital audio is sound that has been recorded in, or converted into, digital form. In digital audio, the sound wave of the audio signal is encoded as numerical samples in continuous sequence. For example, in CD audio, samples are taken 44100 times per second each with 16 bit sample depth. Digital audio is also the name for the entire technology of sound recording and reproduction using audio signals that have been encoded in digital form. Following significant advances in digital audio technology during the 1970s, it gradually replaced analog audio technology in many areas of audio engineering and telecommunications in the 1990s and 2000s.

https://en.m.wikipedia.org/wiki/Digital_audio

digital camera or digicam is a camera that captures photographs in digital memory. Most cameras produced today are digital, and while there are still dedicated digital cameras, many more cameras are now being incorporated into mobile devices, portable touchscreen computers, which can, among many other purposes, use their cameras to initiate live video-telephony and directly edit and upload imagery to others. However, high-end, high-definition dedicated cameras are still commonly used by professionals.

https://en.m.wikipedia.org/wiki/Digital_camera

Digital distribution

Digital distribution (also referred to as content delivery, online distribution, or electronic software distribution (ESD), among others) is the delivery or distribution of digital media content such as audio, video, e-books, video games, and other software.[1] The term is generally used to describe distribution over an online delivery medium, such as the Internet, thus bypassing physical distribution methods, such as paper, optical discs, and VHS videocassettes. The term online distribution is typically applied to freestanding products; downloadable add-ons for other products are more commonly known as downloadable content. With the advancement of network bandwidth capabilities, online distribution became prominent in the 21st century, with prominent platforms such as Amazon Video, and Netflix’s streaming service starting in 2007.[2]

Content distributed online may be streamed or downloaded, and often consists of books, films and television programs, music, software, and video games. Streaming involves downloading and using content at a user’s request, or “on-demand”, rather than allowing a user to store it permanently. In contrast, fully downloading content to a hard drive or other form of storage media may allow offline access in the future.

https://en.m.wikipedia.org/wiki/Digital_distribution

Digital electronics

Digital electronics is a field of electronics involving the study of digital signals and the engineering of devices that use or produce them. This is in contrast to analog electronics and analog signals.

Digital electronic circuits are usually made from large assemblies of logic gates, often packaged in integrated circuits. Complex devices may have simple electronic representations of Boolean logic functions.

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https://en.m.wikipedia.org/wiki/Digital_electronics

Digital goods

Digital goods or e-goods are intangible goods that exist in digital form.[1] Examples include Wikipedia articles; digital media, such as e-books, downloadable music, internet radio, internet television and streaming media; fonts, logos, photos and graphics; digital subscriptions; online ads (as purchased by the advertiser); internet coupons; electronic tickets; electronically treated documentation in many different fields; downloadable software (Digital Distribution) and mobile apps; cloud-based applications and online games; virtual goods used within the virtual economies of online games and communities; workbooks; worksheets; planners; e-learning (online courses); webinars, video tutorials, blog posts; cards; patterns; website themes; templates.

https://en.m.wikipedia.org/wiki/Digital_goods

Digital health

Digital health, which includes digital care programs, is the convergence of digital technologies with health, healthcare, living, and society to enhance the efficiency of healthcare delivery to make medicine more personalized and precise.[1][2][3] The discipline uses information and communication technologies to facilitate understanding of health problems and challenges faced by people receiving medical treatment.[3]

Worldwide adoption of electronic medical records has been on the rise since 1990 and is closely correlated with the existence of universal health care.[4] Digital health is a multi-disciplinary domain involving many stakeholders, including clinicians, researchers and scientists with a wide range of expertise in healthcare, engineering, social sciences, public health, health economics and data management.[5]

Digital health technologies include both hardware and software solutions and services, including telemedicine, wearable devices, augmented reality, and virtual reality.[6][7] Generally, digital health interconnects health systems to improve the use of computational technologies, smart devices, computational analysis techniques, and communication media to aid healthcare professionals and their patients manage illnesses and health risks, as well as promote health and wellbeing.[3][7]

https://en.m.wikipedia.org/wiki/Digital_health

Digital library

A digital library, digital repository, or digital collection is an online database of digital objects that can include text, still images, audio, video, digital documents, or other digital media formats. Objects can consist of digitized content like print or photographs, as well as originally produced digital content like word processor files or social media posts. In addition to storing content, digital libraries provide means for organizing, searching, and retrieving the content contained in the collection.

Digital libraries can vary immensely in size and scope, and can be maintained by individuals or organizations.[1] The digital content may be stored locally, or accessed remotely via computer networks. These information retrieval systems are able to exchange information with each other through interoperability and sustainability.

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https://en.m.wikipedia.org/wiki/Digital_library

Digital marketing

Digital marketing is the component of marketing that utilizes internet and online based digital technologies such as desktop computers, mobile phones and other digital media and platforms to promote products and services.[1][2] Its development during the 1990s and 2000s, changed the way brands and businesses use technology for marketing. As digital platforms became increasingly incorporated into marketing plans and everyday life,[3] and as people increasingly use digital devices instead of visiting physical shops,[4][5] digital marketing campaigns have become prevalent, employing combinations of search engine optimization (SEO), search engine marketing (SEM), content marketing, influencer marketing, content automation, campaign marketing, data-driven marketing, e-commerce marketing, social media marketing, social media optimization, e-mail direct marketing, display advertising, e–books, and optical disks and games have become commonplace. Digital marketing extends to non-Internet channels that provide digital media, such as television, mobile phones (SMS and MMS), callback, and on-hold mobile ring tones.[6] The extension to non-Internet channels differentiates digital marketing from online marketing.

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https://en.m.wikipedia.org/wiki/Digital_marketing

Digital media

Digital media means any media that are encoded in machine-readable formats. Digital media can be created, viewed, distributed, modified, and preserved on digital electronics devices. Digital can be defined as any data represented with a series of digits, and Media refers to a method of broadcasting or communicating information. Together, digital media refers to any information that is broadcast to us through a screen. This includes text, audio, video, and graphics that is transmitted over the internet, for viewing on the internet.

Examples of digital media include software, digital images, digital video, video games, web pages and websites, social media, digital data and databases, digital audio such as MP3, electronic documents and electronic books. Digital media often contrasts with print media, such as printed books, newspapers and magazines, and other traditional or analog media, such as photographic film, audio tapes or video tapes.

Digital media has had a significantly broad and complex impact on society and culture. Combined with the Internet and personal computing, digital media has caused disruptive innovation in publishing, journalism, public relations, entertainment, education, commerce and politics. Digital media has also posed new challenges to copyright and intellectual property laws, fostering an open content movement in which content creators voluntarily give up some or all of their legal rights to their work. The ubiquity of digital media and its effects on society suggest that we are at the start of a new era in industrial history, called the Information Age, perhaps leading to a paperless society in which all media are produced and consumed on computers. However, challenges to a digital transition remain, including outdated copyright laws, censorship, the digital divide, and the spectre of a digital dark age, in which older media becomes inaccessible to new or upgraded information systems. Digital media has a significant, wide-ranging and complex impact on society and culture.

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https://en.m.wikipedia.org/wiki/Digital_media

Digital media player

A digital media player (also sometimes known as a streaming device or streaming box) is a type of consumer electronics device designed for the storage, playback, or viewing of digital media content. They are typically designed to be integrated into a home cinema configuration, and attached to a television and/or AV receiver.

The term is most synonymous with devices designed primarily for the consumption of content from streaming media services such as internet video, including subscription-based over-the-top content services. These devices usually have a compact form factor (either as a compact set-top box, or a dongle designed to plug into an HDMI port), and contain a 10-foot user interface with support for a remote control and, in some cases, voice commands, as control schemes. Some services may support remote control on digital media players using their respective mobile apps, while Google’s Chromecast line is designed exclusively around this method of operation.

A digital media player’s operating system may provide a search engine for locating content available across multiple services and installed apps. Many digital media players offer internal access to digital distribution platforms, where users can download or purchase content such as films, television episodes, and apps. In addition to internet sources, digital media players may support the playback of content from other sources, such as external media (including USB drives or memory cards), or streamed from a computer or media server. Some digital media players may also support video games, though their complexity (which can range from casual games to ports of larger games) depends on operating system and hardware support, and besides those marketed as microconsoles, are not usually promoted as the device’s main function.

Digital media players do not usually include a tuner for receiving terrestrial television, nor disc drives for Blu-rays or DVD. Some devices, such as standalone Blu-ray players, may include similar functions to digital media players (often in a reduced form), as well as recent generations of video game consoles, while “smart TVs” integrate similar functions into the television itself. Some TV makers have, in turn, licensed operating system platforms from digital media players as middleware for their smart TVs—such as Android TV, Amazon Fire TV, and Roku—which typically provide a similar user experience to their standalone counterparts, but with TV-specific features and settings reflected in their user interface.

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https://en.m.wikipedia.org/wiki/Digital_media_player

Digital music store

A digital music store is a business that sells digital audio files of music recordings over the Internet. Customers gain ownership of a license to use the files, in contrast to a music streaming service, where they listen to recordings without gaining ownership. Customers pay either for each recording or on a subscription basis. Online music stores generally also offer partial streaming previews of songs, with some songs even available for full length listening. They typically show a picture of the album art or of the performer or band for each song. Some online music stores also sell recorded speech files, such as podcasts, and video files of movies.

https://en.m.wikipedia.org/wiki/Digital_music_store

Digital security

Digital Security refers to various ways of protecting computer’s internet account and files from intrusion by an outside user.

Internet security involves the protection of a computer’s internet account and files from intrusion by an outside user. Internet users today are familiar with companies like Symantec (Norton Anti-Virus) and McAfee that provide them with internet security products to guard against computer viruses, as well as to provide secure firewalls and protection against spyware. Organizations like the Center for Internet Security (CIS) provide enterprises with resources for measuring information security status and making rational security investment decisions.[1]

An example of secure smart card technology usage is the Microsoft .NET card framework. This is a software framework that is available with several Microsoft Windows operating systems. It includes a library of coded solutions to prevent common programming problems and a virtual machine that manages the execution of programs written specifically for the framework.

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https://en.m.wikipedia.org/wiki/Digital_security

Digital signature

A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature, where the prerequisites are satisfied, gives a recipient very strong reason to believe that the message was created by a known sender (authentication), and that the message was not altered in transit (integrity).

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https://en.m.wikipedia.org/wiki/Digital_signature

Digital television

Digital television (DTV) is the transmission of television audiovisual signals using digital encoding, in contrast to the earlier analog television technology which used analog signals. At the time of its development it was considered an innovative advancement and represented the first significant evolution in television technology since color television in the 1950s.[1] Modern digital television is transmitted in high definition (HDTV) with greater resolution than analog TV. It typically uses a widescreen aspect ratio (commonly 16:9) in contrast to the narrower format of analog TV. It makes more economical use of scarce radio spectrum space; it can transmit up to seven channels in the same bandwidth as a single analog channel,[2] and provides many new features that analog television cannot. A transition from analog to digital broadcasting began around 2000.

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https://en.m.wikipedia.org/wiki/Digital_television

Digital video

Digital video is an electronic representation of moving visual images (video) in the form of encoded digital data. This is in contrast to analog video, which represents moving visual images with analog signals. Digital video comprises a series of digital images displayed in rapid succession.

Digital video was first introduced commercially in 1986 with the Sony D1 format,[1] which recorded an uncompressed standard definition component video signal in digital form. In addition to uncompressed formats, popular compressed digital video formats today include H.264 and MPEG-4. Modern interconnect standards for digital video include HDMI, DisplayPort, Digital Visual Interface (DVI) and serial digital interface (SDI).

Digital video can be copied with no degradation in quality. In contrast, when analog sources are copied, they experience generation loss. Digital video can be stored on digital media such as Blu-ray Disc, on computer data storage or streamed over the Internet to end users who watch content on a desktop computer screen or a digital smart TV. In everyday practice, digital video content such as TV shows and movies also includes a digital audio soundtrack.

https://en.m.wikipedia.org/wiki/Digital_video

Discord (software)

Discord is a VoIP, instant messaging and digital distribution platform designed for creating communities. Users communicate with voice calls, video calls, text messaging, media and files in private chats or as part of communities called “servers”.[note 1] Servers are a collection of persistent chat rooms and voice chat channels. Discord runs on Windows, macOS, Android, iOS, iPadOS, Linux, and in web browsers. As of July 21, 2019, there are over 250 million users of the software.[9]

https://en.m.wikipedia.org/wiki/Discord_(software)

Display device

A display device is an output device for presentation of information in visual[1] or tactile form (the latter used for example in tactile electronic displays for blind people).[2] When the input information that is supplied has an electrical signal the display is called an electronic display.

Common applications for electronic visual displays are television sets or computer monitors.

https://en.m.wikipedia.org/wiki/Display_device

Distance education

Distance education, also called distance learning, is the education of students who may not always be physically present at a school.[1][2] Traditionally, this usually involved correspondence courses wherein the student corresponded with the school via mail. Today, it involves online education. A distance learning program can be completely distance learning, or a combination of distance learning and traditional classroom instruction (called hybrid[3] or blended).[4] Massive open online courses (MOOCs), offering large-scale interactive participation and open access through the World Wide Web or other network technologies, are recent educational modes in distance education.[1] A number of other terms (distributed learning, e-learning, m-learning, online learning, virtual classroom etc.) are used roughly synonymously with distance education.

https://en.m.wikipedia.org/wiki/Distance_education

Distributed computing

Distributed computing is a field of computer science that studies distributed systems. A distributed system is a system whose components are located on different networked computers, which communicate and coordinate their actions by passing messages to one another from any system.[1] The components interact with one another in order to achieve a common goal. Three significant characteristics of distributed systems are: concurrency of components, lack of a global clock, and independent failure of components.[1] Examples of distributed systems vary from SOA-based systems to massively multiplayer online games to peer-to-peer applications.

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https://en.m.wikipedia.org/wiki/Distributed_computing

DJI

SZ DJI Technology Co., Ltd. or Shenzhen DJI Sciences and Technologies Ltd. (Chinese: 深圳大疆创新科技有限公司) in full, more popularly known as its trade name DJI, which stands for Da-Jiang Innovations (大疆创新; ‘Great Frontier Innovations’), is a Chinese technology company headquartered in Shenzhen, Guangdong with manufacturing facilities throughout the world. DJI manufactures commercial unmanned aerial vehicles (drones) for aerial photography and videography. It also designs and manufactures camera gimbals, action cameras, camera stabilizers, flight platforms and propulsion systems and flight control systems.

DJI accounts for around 70% of the world’s consumer drone market as of March 2020, with no other company accounting for more than 5%. Its camera drone technology is widely used in the music, television and film industries. The company’s products have also been used by militaries and police forces, as well as terrorist groups, with the company taking steps to limit access to the latter. US government institutions have issued statements discouraging their internal use of DJI products, but as of 2020, various agencies at the local and federal level continue to use DJI products.

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https://en.m.wikipedia.org/wiki/DJI

DMOZ

DMOZ (from directory.mozilla.org, an earlier domain name, stylized in lowercase in its logo) was a multilingual open-content directory of World Wide Web links. The site and community who maintained it were also known as the Open Directory Project (ODP). It was owned by AOL (now a part of Verizon Media) but constructed and maintained by a community of volunteer editors.

DMOZ used a hierarchical ontology scheme for organizing site listings. Listings on a similar topic were grouped into categories which then included smaller categories.

DMOZ closed on March 17, 2017, because AOL no longer wished to support the project.[1][2] The website became a single landing page on that day, with links to a static archive of DMOZ, and to the DMOZ discussion forum, where plans to rebrand and relaunch the directory are being discussed.[2]

As of September 2017, a non-editable mirror remained available at dmoztools.net,[3] and it was announced that while the DMOZ URL would not return, a successor version of the directory named Curlie would be provided.

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https://en.m.wikipedia.org/wiki/DMOZ

Domain name

A domain name is an identification string that defines a realm of administrative autonomy, authority or control within the Internet. Domain names are used in various networking contexts and for application-specific naming and addressing purposes. In general, a domain name identifies a network domain, or it represents an Internet Protocol (IP) resource, such as a personal computer used to access the Internet, a server computer hosting a website, or the web site itself or any other service communicated via the Internet. In 2017, 330.6 million domain names had been registered.

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https://en.m.wikipedia.org/wiki/Domain_name

Dongfeng Motor Corporation

Dongfeng Motor Corporation is a Chinese state-owned automobile manufacturer headquartered in Wuhan, Hubei, China. Traditionally one of the “Big Four” Chinese automakers,[3] Dongfeng is currently in the top four in terms of output along with Changan Automobile, FAW Group, and SAIC Motor.[4]

In addition to commercial and consumer vehicles, it also manufactures parts and cooperates with foreign companies, with joint ventures like Dongfeng Yulon, Dongfeng Yueda Kia, Dongfeng Honda, Dongfeng Motor Co., Ltd. (DFL, with Nissan), Dongfeng Stellantis and Dongfeng Renault (except Dongfeng Yueda Kia, all were joint ventures of Dongfeng Motor Group).

View more – Wikipedia.org:

https://en.m.wikipedia.org/wiki/Dongfeng_Motor_Corporation

Download

In computer networks, download means to receive data from a remote system, typically a server such as a web server, an FTP server, an email server, or other similar systems. This contrasts with uploading, where data is sent to a remote server. A download is a file offered for downloading or that has been downloaded, or the process of receiving such a file.

https://en.m.wikipedia.org/wiki/Download

Drone

An unmanned aerial vehicle (UAV) (or uncrewed aerial vehicle, commonly known as a drone) is an aircraft without a human pilot on board and a type of unmanned vehicle. UAVs are a component of an unmanned aircraft system (UAS); which include a UAV, a ground-based controller, and a system of communications between the two. The flight of UAVs may operate with various degrees of autonomy: either under remote control by a human operator or autonomously by onboard computers.

https://en.m.wikipedia.org/wiki/Unmanned_aerial_vehicle

Dropbox (service)

Dropbox is a file hosting service operated by the American company Dropbox, Inc., headquartered in San Francisco, California, that offers cloud storage, file synchronization, personal cloud, and client software. Dropbox was founded in 2007 by MIT students Drew Houston and Arash Ferdowsi as a startup company, with initial funding from seed accelerator Y Combinator.

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https://en.m.wikipedia.org/wiki/Dropbox_(service)

Drupal

Drupal (/ˈdruːpəl/)[5] is a free and open-source web content management framework written in PHP and distributed under the GNU General Public License.[4][6][7] Drupal provides a back-end framework for at least 12% of the top 10,000 websites worldwide[8][9] – ranging from personal blogs to corporate, political, and government sites.[10] Systems also use Drupal for knowledge management and for business collaboration.

As of December 2019, the Drupal community comprised more than 1.39 million members, including 117,000 users actively contributing,[14] resulting in more than 44,000 free modules that extend and customize Drupal functionality,[15] over 2,800 free themes that change the look and feel of Drupal,[16] and at least 1,300 free distributions that allow users to quickly and easily set up a complex, use-specific Drupal in fewer steps.[17]

View more – Wikipedia.org:

https://en.m.wikipedia.org/wiki/Drupal