Glossary: Letter D

Source code for the D programming language, a systems language designed as a more practical alternative to C++ with garbage collection and powerful metaprogramming.

COLLAborative Design Activity: an XML-based open standard for exchanging digital assets between graphics applications. Managed by the Khronos Group.

dBASE File: a database file format originally from dBASE, later adopted by FoxPro and Clipper. Also used as the attribute table format in Shapefiles.

Distributed Denial of Service: an attack that overwhelms a target server, service, or network by flooding it with massive amounts of traffic from multiple distributed sources, rendering it unavailable...

Debian Package: the software package format for Debian-based Linux distributions (Ubuntu, Mint, etc.).

Digital Elevation Model: a raster representation of terrain elevation data. Used in terrain analysis, hydrology, and 3D terrain visualization.

DSD Interchange File Format: an alternative container for DSD audio data, used alongside DSF for high-resolution audio distribution.

Dynamic Host Configuration Protocol: a network management protocol that automatically assigns IP addresses, subnet masks, gateways, and other network parameters to devices on a network, eliminating th...

Digital Imaging and Communications in Medicine: the international standard for medical images (CT, MRI, X-ray, ultrasound) including patient metadata.

Dynamic-Link Library: a shared library format on Windows containing code and data that can be used by multiple programs simultaneously.

Apple Disk Image: a mountable disk image format used on macOS for distributing software, supporting compression and encryption.

Digital Negative: an open raw image format created by Adobe as a universal RAW format. It aims to address the lack of an open standard for raw files from various cameras.

Domain Name System: the hierarchical decentralized naming system that translates human-readable domain names (e.g., example.com) into IP addresses (e.g., 93.184.216.34) that computers use to communica...

A protocol that sends DNS queries over encrypted HTTPS connections instead of traditional unencrypted UDP. DNS over HTTPS enhances privacy by preventing eavesdropping and manipulation of DNS data, mak...

Avid DNxHD/DNxHR: professional video codecs by Avid Technology designed for multi-generation compositing and editing with minimal quality loss.

Microsoft Word Binary File Format: the legacy proprietary document format used by Microsoft Word prior to the introduction of DOCX in Office 2007.

Office Open XML Document: the default document format for Microsoft Word since 2007. It is an XML-based, ZIP-compressed format that is the ISO/IEC 29500 standard.

Document Object Model: a programming interface for HTML and XML documents that represents the page structure as a tree of objects, allowing programs to dynamically access and update the content, struc...

DSD Stream File: a file format for storing DSD (Direct Stream Digital) audio, the encoding used in Super Audio CDs (SACD). Favored by audiophiles for its high-resolution audio.

Document Type Definition: a set of markup declarations defining the structure of an XML or SGML document. Predates XML Schema.