Browse Definitions by Alphabet

dictionary attack - A dictionary attack is a method of breaking into a password-protected computer, network or other IT resource by systematically entering every word in a dictionary, or word list, as a password.
dielectric constant - The dielectric constant of a substance or material is a measure of its ability to store electrical energy.
dielectric material - A dielectric material is a poor conductor of electricity but an efficient supporter of electrostatic fields.
differencing disk - A differencing disk is a virtual hard disk (VHD) that stores changes made to another VHD or to the guest operating system.
differential backup - A differential backup is a data backup that copies all the files that have changed since the last full backup was performed.
differentiated services (DiffServ or DS) - Differentiated services, often shortened to DiffServ or DS, is a class of service (CoS) model to specify and control IP network traffic by class.
Diffie-Hellman key exchange (exponential key exchange) - Diffie-Hellman key exchange is a method of digital encryption that securely exchanges cryptographic keys between two parties over a public channel without their conversation being transmitted over the internet.
digiboard (or digicard) - Digiboard or digicard is a generic name for a serial port card made by Digi International.
digital - Digital describes electronic technology that generates, stores and processes data in terms of positive and nonpositive states.
digital accessibility - Digital accessibility is design of technology products and environments to help people with various disabilities not be impeded or otherwise unable to partake in use of the service, product or function.
digital asset management (DAM) - Digital asset management (DAM) is a business process for organizing, storing and retrieving rich media and managing digital rights and permissions.
digital cash (e-cash) - Digital cash is a system of purchasing cash credits, storing the credits in your computer or digital wallet, and then spending them when making electronic purchases over the internet or in person on a mobile device at the point of sale.
digital certificate - A digital certificate, also known as a public key certificate, is used to cryptographically link ownership of a public key with the entity that owns it.
digital citizenship - Digital citizenship is the online presence, behaviors and response to others within a digital community where one is a member.
digital core - A digital core is the technology platforms and applications that enable organizations to transform into digital businesses and meet the new needs of the digital economy.
digital culture - Digital culture refers to the behaviors, practices and values that develop from the use of digital technologies.
digital disruption - Digital disruption is the change that occurs when new digital technologies and business models affect the value proposition of existing goods and services.
digital drugs - Digital drugs, more accurately called binaural beats, are sounds that are thought to be capable of changing brain wave patterns and inducing an altered state of consciousness similar to that effected by taking drugs or achieving a deep state of meditation.
digital economy - The digital economy refers to the economic activities that emerge from connecting individuals, businesses, devices, data and operations through digital technology.
digital ecosystem - A digital ecosystem is a group of interconnected information technology resources that can function as a unit.
digital enterprise - A digital enterprise is an organization that uses technology as a competitive advantage in its internal and external operations.
digital footprint - A digital footprint -- sometimes called a digital shadow -- is the body of data that an individual creates through their actions online.
digital forensics and incident response (DFIR) - Digital forensics and incident response (DFIR) is a combined set of cybersecurity operations that incident response teams use to detect, investigate and respond to cybersecurity events.
digital HR - Digital HR is the digital transformation of HR services and processes through the use of social, mobile, analytics and cloud (SMAC) technologies.
digital identity - A digital identity is the body of information about an individual, organization or electronic device that exists online.
digital innovation - Digital innovation is the adoption of modern digital technologies by a business.
digital leadership - Digital leadership is the strategic use of a company's digital assets and emerging technologies to achieve business goals.
digital library - A digital library is a collection of digital objects, such as books, magazines, audio recordings, video recordings and other documents that are accessible electronically.
digital manufacturing - Digital manufacturing is a technology-based approach to production that links different data silos and processes in the manufacturing lifecycle so that stakeholders can make better business decisions both comprehensively and at each step.
digital marketing - Digital marketing is the promotion and marketing of goods and services to consumers through digital channels and electronic technologies.
Digital Millennium Copyright Act (DMCA) - The Digital Millennium Copyright Act (DMCA) is a controversial United States digital rights management (DRM) law enacted October 28, 1998 by then-President Bill Clinton.
digital native - A digital native is a person who grew up with the presence of digital technology or in the information age.
digital nomad - A digital nomad works from any location and uses technology to perform their job while moving to new destinations.
Digital Personal Data Protection Act, 2023 - India's Digital Personal Data Protection Act, 2023 (DPDPA) is a comprehensive privacy and data protection law that recognizes the right of individuals, referred to as "data principals," to protect their personal data during the processing of that data for lawful purposes.
digital platform - A digital platform is a web-based structural software package that speeds and eases transactions among users.
digital process automation - Digital process automation (DPA) uses low-code development tools to automate processes that can span multiple applications.
digital profiling - Digital profiling is the process of gathering and analyzing information about an individual that exists online.
digital self-harm - Digital self-harm is targeting oneself with negative content online.
digital signal processing (DSP) - Digital signal processing (DSP) refers to various techniques for improving the accuracy and reliability of digital communications.
digital signature - A digital signature is a mathematical technique used to validate the authenticity and integrity of a digital document, message or software.
Digital Signature Standard (DSS) - The Digital Signature Standard (DSS) is a digital signature algorithm (DSA) developed by the U.
digital strategy (digital media strategy) - A digital strategy, sometimes called a digital media strategy, is a plan for maximizing the business benefits of data assets and technology-focused initiatives.
digital supply chain - A digital supply chain is a supply chain whose foundation is built on web-enabled capabilities.
digital tattoo - With more than one meaning, a digital tattoo is to a temporary tattoo that is outfitted with electronics, such as sensors or a near field communication (NFC) chip.
digital television (DTV) - Digital television (DTV) is the transmission of television signals using a digital broadcast format rather than conventional analog methods.
digital thread - A digital thread is a data-driven communication framework that connects traditionally siloed elements in manufacturing processes and provides an integrated view of an asset throughout the manufacturing lifecycle.
digital trust - Digital trust is the confidence users have in the ability of people, technology and processes to create a secure digital world.
digital twin - A digital twin is a virtual representation of a real-world entity or process.
digital video - Digital video is audio/visual content in a binary format, with information presented as a sequence of digital data rather than in a continuous signal as analog information is.
digital video broadcasting (DVB) - Digital video broadcasting (DVB) is a set of standards that define digital broadcasting using DVB satellite, cable and terrestrial broadcasting infrastructures.
digital wallet - In general, a digital wallet is a software application, usually for a smartphone, that serves as an electronic version of a physical wallet.
digital wellness (digital wellbeing) - Digital wellness (digital wellbeing) is the use of technology to ensure an employee's physical and mental health.
digital workspace - A digital workspace is an integrated technology framework that centralizes the management of an enterprise's applications, data and endpoints, allowing employees to collaborate and work remotely.
DigitalOcean - DigitalOcean Inc.
digitization - Digitization is the process of converting information into a digital format.
dimension - In data warehousing, a dimension is a collection of reference information that supports a measurable event, such as a customer transaction.
dimension table - In data warehousing, a dimension table is a database table that stores attributes describing the facts in a fact table.
DIMM (dual in-line memory module) - DIMM, or dual in-line memory module, is a type of computer memory that is natively 64 bits, enabling fast data transfer.
direct access - In computer storage, direct access is the process of reading and writing data on a storage device by going directly to where the data is physically located on the device rather than having to move sequentially from one physical location to the next to find the correct data.
direct access storage device (DASD) - A direct access storage device (DASD) is a type of secondary storage device that supports direct access to the stored data, as opposed to sequential access, which is slower and less efficient.
direct email marketing - Direct email marketing is a format for email-based campaigns in which standalone advertisements are sent to a targeted list of recipients.
direct inward dialing (DID) - Direct inward dialing (DID) is a method organizations use to route incoming calls to specific private branch exchange (PBX) systems without an operator.
Direct Memory Access (DMA) - Direct Memory Access (DMA) is a capability provided by some computer bus architectures that enables data to be sent directly from an attached device to the computer's main memory.
direct-attached storage (DAS) - Direct-attached storage (DAS) is a type of storage that is attached directly to a computer without going through a network.
Direct-to-Consumer (D2C or DTC) - D2C (Direct-to-consumer, or Direct2Consumer) is a type of business-to-consumer (B2C) retail sales strategy where a business will build, market, sell and ship a product directly to the customer.
director of employee engagement - Director of employee engagement is one of the job titles for a human resources (HR) manager who is responsible for an organization's employee engagement strategy.
Directory Services Restore Mode (DSRM) - Directory Services Restore Mode (DSRM) is a Safe Mode boot option for Windows Server domain controllers.
directory traversal - Directory traversal is a type of HTTP exploit in which a hacker uses the software on a web server to access data in a directory other than the server's root directory.
disaggregated server - A disaggregated server is a server whose components and resources are divided into subsystems.
disambiguation - Disambiguation is the process of determining a word's meaning -- or sense -- within its specific context.
disaster recovery (DR) - Disaster recovery (DR) is an organization's ability to respond to and recover from an event that negatively affects business operations.
disaster recovery (DR) site - A disaster recovery (DR) site is a facility an organization can use to recover and restore its technology infrastructure and operations when its primary data center becomes unavailable.
disaster recovery (DR) test - A disaster recovery test is the examination of each step in a disaster recovery plan to ensure that an organization can recover data, restore business critical applications and continue operations after an interruption of services.
disaster recovery as a service (DRaaS) - Disaster recovery as a service (DRaaS) is a cloud computing service model offered by third-party vendors that provides failover in the event of a natural catastrophe, power outage or other type of business disruption.
disaster recovery plan (DRP) - A disaster recovery plan (DRP) is a documented, structured approach that describes how an organization can quickly resume operations after an unplanned incident.
disaster recovery team - A disaster recovery team is a group of individuals focused on planning, implementing, maintaining, auditing and testing an organization's business continuity and disaster recovery procedures.
Disciplined Agile Delivery (DAD) - Disciplined Agile Delivery (DAD) is a scalable Agile software delivery framework.
discrete event simulation (DES) - Discrete event simulation (DES) is the process of codifying the behavior of a complex system as an ordered sequence of well-defined events.
discrete manufacturing - Discrete manufacturing is an industry term for the manufacturing of finished products that are distinct items capable of being easily counted, touched or seen.
disk array - A disk array, also called a storage array, is a data storage system used for block-based storage, file-based storage or object storage.
disk backup or disk-based backup - Disk backup, or disk-based backup, is a data backup and recovery method that backs data up to hard disk storage.
disk image - A disk image is a compressed file that contains a copy of the entire contents of a computer's hard drive or other storage media, such as optical discs or solid-state drives.
disk mirroring (RAID 1) - Disk mirroring, also known as RAID 1, is the replication of data across two or more disks.
diskpart (Disk Partition Utility) - Diskpart is a command line utility in Windows operating systems (OSs) that is used to manage disks, partitions, and volumes.
displacement - Displacement (symbolized d or s), also called length or distance, is a one-dimensional quantity representing the separation between two defined points.
display - In computing, a display is a device with a screen that shows a rendered electronic image made up of pixels that are illuminated in a way that distinguishes text and graphic elements.
DisplayPort - DisplayPort is an interface for digital displays, particularly computer monitors.
disposable email - What is a disposable email?Disposable email is a service that allows a registered user to receive email at a temporary address that expires after a certain time period elapses.
disposable phone number - A disposable phone number is a virtual phone number that is usable temporarily.
disruptive innovation - Disruptive innovation is the idea that when a product or service is introduced into an established industry and performs better and/or costs less than existing offerings, it can displace the market leaders and even transform the industry.
disruptive technology (disruptive innovation) - Disruptive technology, often referred to as disruptive innovation, is when a new business model attracts an underserviced market or revenue stream and grows until it supplants incumbent competitors.
distributed antenna system (DAS) - In a distributed antenna system (DAS), a single signal source is connected to a group of antennas instead of to a single antenna.
distributed applications (distributed apps) - Distributed applications (distributed apps) are applications or software that run on multiple computers within a network at the same time and can be stored on servers or cloud computing platforms.
Distributed Component Object Model (DCOM) - Distributed Component Object Model (DCOM) is an extension to Component Object Model (COM) that enables software components to communicate with each other across different computers on a local area network (LAN), on a wide area network (WAN) or across the internet.
distributed control system (DCS) - A distributed control system (DCS) is a digital automated industrial control system (ICS) that uses geographically distributed control loops throughout a factory, machine or control area.
distributed database - A distributed database is a database that consists of two or more files located in different sites either on the same network or on entirely different networks.
distributed denial-of-service (DDoS) attack - A distributed denial-of-service (DDoS) attack is one in which multiple compromised computer systems attack a target, such as a server, website or other network resource, and cause a denial of service for users of the targeted resource.
distributed energy resources (DER) - Distributed energy resources (DER) are the combination of physical and virtual resources used in the production and storage of energy at or near where it will be used and separate from the main grid.
distributed file system (DFS) - A distributed file system (DFS) is a file system that enables clients to access file storage from multiple hosts through a computer network as if the user was accessing local storage.
distributed learning - Distributed learning is a general term used to describe a multi-media method of instructional delivery that includes a mix of Web-based instruction, streaming video conferencing, face-to-face classroom time, distance learning through television or video, or other combinations of electronic and traditional educational models.