Browse Definitions by Alphabet
DOW - WHA
- downlink and uplink - These terms should not be confused with downstream and upstream.
- downloading - Downloading is the transmission of a file or data from one computer to another over a network, usually from a larger server to a user device.
- DRAM (dynamic random access memory) - Dynamic random access memory (DRAM) is a type of semiconductor memory that is typically used for the data or program code needed by a computer processor to function.
- DRBD (Distributed Replicated Block Device) - DRBD (Distributed Replicated Block Device) is a Linux-based software component that facilitates the replacement of shared storage systems by networked mirroring.
- Dridex malware - Dridex is a form of malware that targets victims' banking information, with the main goal of stealing online account credentials to gain access to their financial assets.
- driver assistance - Driver assistance, also known as advanced driver-assistance systems (ADAS), are technologies used to make motor vehicle travel safer by automating, improving or adapting some or all of the tasks involved in operating a vehicle.
- Driver's Privacy Protection Act (DPPA) - The Driver's Privacy Protection Act (DPPA) is a United States federal law designed to protect the personal information of licensed drivers from improper use or disclosure.
- drone (UAV) - A drone is an unmanned aircraft.
- drone photography - Drone photography is the capture of still images and video by a remotely-operated or autonomous unmanned aerial vehicle (UAV), also known as an unmanned aircraft system (UAS) or, more commonly, as a drone.
- drone services (UAV services) - Drone services, also known as unmanned aerial vehicle (UAV) services, is the emerging market for services built around flying robots that can be remote-controlled or flown autonomously using software-controlled flight plans in their embedded systems.
- dropout - Dropout refers to data, or noise, that's intentionally dropped from a neural network to improve processing and time to results.
- dropper - A dropper is a small helper program that facilitates the delivery and installation of malware.
- dropshipping - Dropshipping is an e-commerce retail model that allows stores to sell products without keeping any physical inventory.
- Drupal - Drupal is a free, open source content management system (CMS) to build and maintain websites, online directories, e-commerce stores, intranets and other types of digital content.
- Druva - Druva is a cloud data protection and management software company based in Sunnyvale, Calif.
- DRY principle - The DRY (don't repeat yourself) principle is a best practice in software development that recommends software engineers to do something once, and only once.
- DTMF (dual tone multi-frequency) - Dual tone multi-frequency (DTMF) is the sounds or tones generated by a telephone when the numbers are pressed.
- dual sourcing - Dual sourcing is the supply chain management practice of using two suppliers for a given component, raw material, product or service.
- dual Wi-Fi antenna - A dual Wi-Fi antenna is a pair of identical antennas on a wireless router or Wi-Fi-equipped device, intended to eliminate signal fading and dead spots.
- dual-SIM phone - A dual SIM phone is a mobile phone, typically a smart phone, with the capacity to use two subscriber identity module (SIM) cards.
- Dublin Core - Dublin Core is an international metadata standard formally known as the Dublin Core Metadata Element Set and includes 15 metadata (data that describes data) terms.
- DuckDuckGo - DuckDuckGo (DDG) is a general search engine designed to protect user privacy, while avoiding the skewing of search results that can happen because of personalized search (sometimes referred to as a filter bubble).
- ducting (data center cooling) - Ducting is the use of a metal or plastic pipe to carry air from one place to another.
- dumbphone (dumb phone) - A dumbphone (also seen as dumb phone) is a mobile telephone that, unlike a smartphone, has little-to-no computing or internet capacity.
- dumpster diving - Dumpster diving is looking for treasure in someone else's trash.
- Duo Security - Duo Security is a vendor of cloud-based two-factor authentication products.
- DWPD (device/drive writes per day) - DWPD tells the customer how many times he can expect to overwrite the entire capacity of a solid state drive before it becomes unreliable.
- dynamic and static - In general, dynamic means 'energetic, capable of action and/or change, or forceful,' while static means 'stationary or fixed.
- dynamic application security testing (DAST) - A dynamic application security test (DAST) is a program used by developers to analyze a web application (web app), while in runtime, and identify any security vulnerabilities or weaknesses.
- dynamic infrastructure - Dynamic infrastructure refers to a collection of data center resources, such as compute, networking and storage, that can automatically provision and adjust itself as workload demands change.
- dynamic IP address - A dynamic IP address is a temporary address for devices connected to a network that will continually change over time.
- dynamic link library (DLL) - A dynamic link library (DLL) is a collection of small programs that larger programs can load when needed to complete specific tasks.
- dynamic multipoint VPN (DMVPN) - A dynamic multipoint virtual private network (DMVPN) is a secure network that exchanges data between sites/routers without passing traffic through an organization's virtual private network (VPN) server or router located at its headquarters.
- dynamic port numbers - Dynamic port numbers, also known as private port numbers, are the port numbers that are available for use by any application to use in communicating with any other application, using the internet's Transmission Control Protocol (TCP) or User Datagram Protocol (UDP).
- dynamic pricing - The goal of dynamic pricing is to allow a company that sells goods or services over the Internet to adjust prices on the fly in response to market demands.
- dynamic voltage and frequency scaling (DVFS) - Dynamic voltage and frequency scaling (DVFS) is the adjustment of power and speed settings on a computing device’s various processors, controller chips and peripheral devices to optimize resource allotment for tasks and maximize power-saving when those resources are not needed.
- software documentation - In the software development process, software documentation is the information that describes the product to the people who develop, deploy and use it.
- What is data architecture? A data management blueprint - Data architecture is a discipline that documents an organization's data assets, maps how data flows through its systems and provides a blueprint for managing data.
- What is data governance and why does it matter? - Data governance (DG) is the process of managing the availability, usability, integrity and security of the data in enterprise systems, based on internal data standards and policies that also control data usage.
- What is data management and why is it important? - Data management is the process of ingesting, storing, organizing and maintaining the data created and collected by an organization, as explained in this in-depth look at the process.
- What is data preparation? An in-depth guide to data prep - Data preparation is the process of gathering, combining, structuring and organizing data so it can be used in business intelligence (BI), analytics and data visualization applications.
- What is data protection and why is it important? - Data protection is the process of safeguarding important information from corruption, compromise or loss.
- What is data science? The ultimate guide - Data science is the process of using advanced analytics techniques and scientific principles to analyze data and extract valuable information for business decision-making, strategic planning and other uses.
- What is DevOps? The ultimate guide - The word 'DevOps' is a combination of the terms 'development' and 'operations,' meant to represent a collaborative or shared approach to the tasks performed by a company's application development and IT operations teams.
- What is digital transformation? - Digital transformation is the incorporation of computer-based technologies into an organization's products, processes and strategies.