IT Terms beginning with 'D'
- D Channel
- D-AMPS
- D-Commerce
- D-Pad
- D-Shell Connector
- D-Type Flip-Flop
- D-VHS
- D/A
- D/L
- D2D
- D2D2C
- D2D2T
- D2T
- D2X
- DA
- DA
- DAA
- DaaP
- DaaS
- DaaS
- DAC
- DAC
- DACS
- DAE
- Daemon
- DAFS
- DAG
- DAI
- Daily Build and Smoke Test (DBST)
- Daisy Chain
- Daisy Chain Routers
- Daisy Wheel Printer
- Dalvik
- Dalvik Debug Monitor Service (DDMS)
- DAM
- DAM
- DAMA
- DAMA
- Dancing Baby
- Dancing Baloney
- Dangling Pointer
- DAO
- DAP
- DApp
- DAQ
- DAQ Hardware
- Dark Data
- Dark Fiber
- Dark Mode
- Dark Post
- Dark Social
- Dark Web
- Darknet
- DARP
- DARPA
- DARPANET
- DAS
- DAS
- DASD
- DAST
- DAT
- Data
- Data
- Data Access
- Data Access Arrangement (DAA)
- Data Acquisition
- Data Acquisition Hardware (DAQ Hardware)
- Data Acquisition System
- Data Administration
- Data Aggregation
- Data Analyst
- Data Analytics
- Data Analytics Platform
- Data Annotation
- Data Archaeology
- Data Architect
- Data Architecture
- Data Archiving
- Data as a Platform (DaaP)
- Data as a Service (DaaS)
- Data at Rest
- Data At Rest Protection (DARP)
- Data Audit
- Data Augmentation
- Data Availability
- Data Backup
- Data Bank
- Data Binding
- Data Bleed
- Data Blending
- Data Boomerang
- Data Breach
- Data Brokering
- Data Bus
- Data Card
- Data Catalog
- Data Center
- Data Center Architecture
- Data Center as a Service (DCaaS)
- Data Center Automation
- Data Center Backup
- Data Center Capacity Management
- Data Center Capacity Planning
- Data Center Colocation
- Data Center Consolidation
- Data Center Construction
- Data Center Container
- Data Center Cooling
- Data Center Design
- Data Center Hardware
- Data Center Hosting
- Data Center In A Box
- Data Center Infrastructure
- Data Center Infrastructure Efficiency (DCIE)
- Data Center Infrastructure Management (DCIM)
- Data Center Interconnect
- Data Center Layout
- Data Center Management
- Data Center Management Software
- Data Center Manager (DCM)
- Data Center Markup Language (DCML)
- Data Center Migration
- Data Center Monitoring
- Data Center Networking
- Data Center Operations
- Data Center Optimization
- Data Center Outsourcing (DCO)
- Data Center Power Management
- Data Center Rack
- Data Center Security
- Data Center Services
- Data Center Storage
- Data Center Technician
- Data Center Tier Levels
- Data Center Topology
- Data Center Transformation
- Data Center Virtualization
- Data Charging
- Data Cholesterol
- Data Classification
- Data Cleansing
- Data Collection
- Data Collection System (DCS)
- Data Collision
- Data Communications (DC)
- Data Communications Equipment (DCE)
- Data Compression
- Data Consolidation
- Data Conversion
- Data Corruption
- Data Cube
- Data Custodian
- Data De-Identification
- Data Deduplication
- Data Definition Language (DDL)
- Data Democratization
- Data Dictionary
- Data Discovery
- Data Distribution Service (DDS)
- Data Driven
- Data Element
- Data Encapsulation
- Data Encryption Key (DEK)
- Data Encryption Standard (DES)
- Data Engineer
- Data Enrichment
- Data Entry
- Data Execution Prevention (DEP)
- Data Exfiltration
- Data Exhaust
- Data Exploration
- Data Extraction
- Data Federation Technology
- Data Feed
- Data Filtering
- Data Flow Model
- Data Forensics
- Data Fusion
- Data Governance (DG)
- Data Governance Framework
- Data Governance Office (DGO)
- Data Gravity
- Data Grid
- Data Header
- Data Hiding
- Data In Motion
- Data in Use
- Data Independence
- Data Infrastructure
- Data Infrastructure Hygiene
- Data Integration
- Data Integration Architect
- Data Integration Service
- Data Integrity
- Data Integrity
- Data Intelligence
- Data Interchange Standards Association (DISA)
- Data Janitor
- Data Journalism
- Data Key
- Data Lake
- Data Lineage
- Data Link
- Data Link Control (DLC)
- Data Link Layer
- Data Link Switching (DLSw)
- Data Loading
- Data Localization
- Data Logging
- Data Loss
- Data Loss Prevention (DLP)
- Data Management
- Data Management and Integration (DMI)
- Data Management Association (DAMA)
- Data Management Platform (DMP)
- Data Management Software (DMS)
- Data Management Strategy
- Data Manipulation Language (DML)
- Data Mapping
- Data Marketplace
- Data Mart
- Data Masking
- Data Matching
- Data Migration
- Data Miner
- Data Mining
- Data Mirroring
- Data Model
- Data Modeling
- Data Ninja
- Data Obfuscation (DO)
- Data Organization
- Data Over Cable Service Interface Specification (DOCSIS)
- Data Ownership
- Data Packet
- Data Perturbation
- Data Plane
- Data Portability
- Data Preprocessing
- Data Processor
- Data Profiling
- Data Protection
- Data Protection as a Service (DPaaS)
- Data Protection Directive
- Data Protection Management (DPM)
- Data Protection Officer (DPO)
- Data Protection Policy
- Data Protection Scheme
- Data Protection Software
- Data Purging
- Data Quality
- Data Quality as a Service (DQaaS)
- Data Quality Assessment (DQA)
- Data Quality Management (DQM)
- Data Quality Monitoring
- Data Recovery
- Data Recovery Agent (DRA)
- Data Recovery Disk
- Data Recovery Service
- Data Recovery Software
- Data Recovery Specialist
- Data Redundancy
- Data Replay
- Data Repository
- Data Restore
- Data Retrieval
- Data Robot (Drobo)
- Data Sandbox
- Data Science
- Data Science Platform
- Data Scientist
- Data Scraping
- Data Scrubbing
- Data Security
- Data Server (DS)
- Data Services
- Data Set
- Data Shadow
- Data Smog
- Data Source
- Data Sovereignty
- Data Steward
- Data Storage
- Data Stream
- Data Streaming
- Data Structure
- Data Subject
- Data Subject Request (DSR)
- Data Synchronization
- Data Terminal Equipment (DTE)
- Data Theft
- Data Transfer
- Data Transfer Rate (DTR)
- Data Transformation
- Data Transformation Services (DTS)
- Data Transmission
- Data Type
- Data Validation
- Data Vaulting
- Data Verification
- Data Virtualization
- Data Visualization
- Data Visualization Software
- Data Warehouse (DW)
- Data Warehouse Appliance
- Data Warehouse Architect
- Data Wrangling
- Data-Driven Decision Making (DDDM)
- Data-Driven Testing (DDT)
- Data-ism
- Data-Retention Policy
- Data-Sending Trojan
- Database (DB)
- Database Activity Monitoring (DAM)
- Database Administration
- Database Administrator (DBA)
- Database Analyst
- Database as a Service (DBaaS)
- Database Authentication
- Database Backup
- Database Clustering
- Database Column
- Database Concurrency
- Database Developer
- Database Dump
- Database Encryption and Decryption
- Database Engine
- Database Engine Tuning Advisor
- Database Front End
- Database Management System (DBMS)
- Database Manager (DB Manager)
- Database Marketing
- Database Mirroring
- Database Model
- Database Object
- Database Performance Management
- Database Performance Monitoring
- Database Replication
- Database Report
- Database Repository
- Database Row
- Database Schema
- Database Security
- Database Server
- Database Shard
- Database Software
- Database Trigger
- Datafication
- Dataflow
- Dataglove
- Datagram
- Datalog
- DataOps
- DataReader
- DataStage (DS)
- DataStage Parallel Extender (DataStage PX)
- DataStage PX
- Datastore
- Daughterboard
- DAW
- DB
- DB Manager
- DB-15
- DB-25
- DB-50
- DB-68
- DB-9
- DB2
- DBA
- DBaaS
- Dbase
- dBFT
- DBMS
- DBMS Interface
- DBN
- DBST
- DBT
- DC
- DC
- DC
- DC-IGN
- DCA
- DCaaS
- DCC
- DCC
- DCC
- DCE
- DCI
- DCIE
- DCIM
- DCM
- DCML
- DCO
- DCOM
- DCS
- DD
- DD-WRT
- DDBMS
- DDDM
- DDE
- DDK
- DDL
- DDM
- DDMS
- DDNS
- DDoS
- DDoS Prevention
- DDP
- DDP
- DDP
- DDR
- DDR
- DDR SDRAM
- DDR2-SDRAM
- DDS
- DDT
- DDVN
- DE
- De-Content Scrambling System (DeCSS)
- Dead Body Spam
- Dead Hard Drive Recovery
- Dead Pixel
- Dead Tree Edition
- Deadlock
- Deal Registration
- Deals Fatigue
- Death by Tweakage (DBT)
- Debian GNU/Linux
- Debug
- Debugger
- Debugging
- Debugging in SAP
- DEC
- DEC Alpha
- Decapsulation
- Decentralized Application (DApp)
- Decentralized Autonomous Organization (DAO)
- Decimal
- Decimal Point
- Decimal To Hexadecimal (D2X)
- Decision Automation
- Decision Scientist
- Decision Support System (DSS)
- Decision Table (DETAB)
- Decision Theory
- Decision Tree
- Decision Tree Software
- Declaration
- Declarative Programming
- DECnet
- Decoding
- Decompile
- Decompiler
- Decompression
- Deconvolutional Neural Network (DNN)
- Decoupled
- Decoupled Architecture
- Decrement Operator
- Decryption
- DeCSS
- DECT
- Dedicated Access Line
- Dedicated Hosting
- Dedicated IP Address
- Dedicated Line
- Dedicated Server
- Dedicated Short Code (DSC)
- Deep Analytics
- Deep Belief Network (DBN)
- Deep Blue
- Deep Convolutional Inverse Graphics Network (DC-IGN)
- Deep Copy
- Deep Dialing
- Deep Learning
- Deep Linking
- Deep Neural Network
- Deep Packet Capture (DPC)
- Deep Packet Inspection (DPI)
- Deep Q-Networks
- Deep Reinforcement Learning (Deep RL)
- Deep Residual Network (Deep ResNet)
- Deep ResNet
- Deep RL
- Deep Stubborn Network (StubNet)
- Deep Web
- Deepfake
- DeepMind
- Defacement
- Default Browser
- Default Gateway
- Default Values - Database
- Default-Free Zone (DFZ)
- Defect Analysis
- Defect Density
- Defense Advanced Research Projects Agency (DARPA)
- Defense In Depth
- Defense Information Systems Agency (DISA)
- Defense Message System (DMS)
- Defensive Patent
- Define, Measure, Analyze, Improve, Control (DMAIC)
- Deflection Routing
- Degaussing
- Degenerate Strategy
- Degradation of Service Attack
- DEK
- Dekker's Algorithm
- Delay Distortion
- Delay-Locked Loop (DLL)
- Delegate
- Delegated Byzantine Fault Tolerance (dBFT)
- Delegated Proof of Stake (DPoS)
- Deleted File Recovery
- Delimiter
- Delphi
- Delta Channel (D Channel)
- Delta Rule
- Delurking
- Demand Assigned Multiple Access (DAMA)
- Demand Management
- Demand Planning
- Demand Progress
- Demand Signal Repository (DSR)
- Demand-Driven Value Network (DDVN)
- Demarcation Point
- Demilitarized Zone (DMZ)
- Deming Cycle
- Demo (Demo Scene and Demo Party)
- Demo Mode
- Demographic Data
- Demon Dialer
- Demoscene
- Demultiplex (DEMUX)
- Demultiplexer (dmux)
- DEMUX
- Denial-of-Service Attack (DoS)
- Denoising Autoencoder (DAE)
- Denormalization
- Denotational Semantics
- Dense Wavelength Division Multiplexing (DWDM)
- Deobfuscate
- DEP
- Department of Defense Architecture Framework (DoDAF)
- Dependency Hell
- Dependent Variable
- Deployment
- Depository
- Deprecated
- Deprecation
- Deque
- Derivative Work Right
- Derived Class
- Derived Class
- Derived Data Type
- DES
- Descriptive Video Service (DVS)
- Design For Manufacturing (DFM)
- Design Pattern
- Design Reuse
- Design Web Format (DWF)
- Designated Router
- Desk Accessory (DA)
- Desk Check
- Desktop
- Desktop Administration (DA)
- Desktop as a Service (DaaS)
- Desktop Database
- Desktop Environment (DE)
- Desktop Management
- Desktop Management Interface (DMI)
- Desktop Mode
- Desktop Publishing (DTP)
- Desktop Supercomputer
- Desktop Video Conferencing (DTVC)
- Desktop Virtualization
- Destructive Trojan
- Destructor
- DETAB
- Deterministic Algorithm
- Deterministic Automaton
- Deterministic Finite Automaton (DFA)
- Deterministic System
- Developer
- Developer Evangelist
- Development Data Platform (DDP)
- Development Environment
- Development Server
- Device
- Device API (DAP)
- Device Driver
- Device Management
- Device Management Software
- Device Manager
- Device Relationship Management (DRM)
- Device Software Optimization (DSO)
- Device Under Test (DUT)
- DevOps
- DFA
- DFM
- DFS
- DFZ
- DG
- DGO
- DHA
- DHCP
- DHCP Server
- DHTML
- DHTML
- DIACAP
- Dial Other Internet Providers (DOIP)
- Dial-on-Demand Routing (DDR)
- Dial-Up Connection
- Dial-Up Networking (DUN)
- Dialed Number Identification Service (DNIS)
- Dialog Box
- Diameter
- DICOM
- Dictionary
- Dictionary Attack
- DID
- Dielectric
- Difference Engine
- Differencing Disk
- Differential Backup
- Differential Incremental Backup
- Diffie-Hellman Key Exchange
- Diffusing Update Algorithm (DUAL)
- Digerati
- Digest Authentication
- Digital
- Digital Access and Cross-Connect System (DACS)
- Digital Amnesia
- Digital AMPS (D-AMPS)
- Digital Asset
- Digital Asset Management (DAM)
- Digital Audio
- Digital Audio Tape (DAT)
- Digital Audio Workstation (DAW)
- Digital Camera
- Digital Certificate
- Digital Commerce (D-Commerce)
- Digital Compact Cassette (DCC)
- Digital Control
- Digital Currency
- Digital Darkroom
- Digital Dashboard
- Digital Data
- Digital Detox
- Digital Dial Tone
- Digital Disruption
- Digital Divide
- Digital Dolly
- Digital Down Converter (DCC)
- Digital Dualism
- Digital Economy
- Digital Enhanced Cordless Telecommunications (DECT)
- Digital Envelope
- Digital Equipment Corporation (DEC)
- Digital Espionage
- Digital Film
- Digital Filter
- Digital Fingerprinting
- Digital Footprint
- Digital Forensics
- Digital Goods
- Digital Identity
- Digital Illustration
- Digital Imaging And Communications In Medicine (DICOM)
- Digital Immigrant
- Digital Influence
- Digital Invisible Ink
- Digital Library
- Digital Light Processing (DLP)
- Digital Living Network Alliance (DLNA)
- Digital Logic
- Digital Loop Carrier (DLC)
- Digital Marketing
- Digital Marketing Hub
- Digital Mars D
- Digital Millennium Copyright Act (DMCA)
- Digital Multimeter (DMM)
- Digital Native
- Digital Object Identifier (DOI)
- Digital Opportunity Index (DOI)
- Digital Pen
- Digital Photo Album
- Digital Photography
- Digital Printing
- Digital Projector
- Digital Revolution
- Digital Rights
- Digital Rights Management (DRM)
- Digital Sense Multiple Access (DSMA)
- Digital Signage
- Digital Signal Processing (DSP)
- Digital Signature
- Digital Signature Algorithm (DSA)
- Digital Signature Standard (DSS)
- Digital Simultaneous Voice and Data (DSVD)
- Digital Single-Lens Reflex Camera (DSLR)
- Digital Sovereignty
- Digital Subscriber Line (DSL)
- Digital Subscriber Line Access Multiplexer (DSLAM)
- Digital Switch
- Digital Terrestrial Television (DTTV)
- Digital Theater Sound (DTS)
- Digital To Analog Conversion (D/A)
- Digital Transformation
- Digital Transformation Consulting (DTC)
- Digital Transmission Content Protection Over Internet Protocol (DTCP-IP)
- Digital Twin
- Digital Versatile Disc (DVD)
- Digital Versatile Disc-Read Only Memory (DVD-ROM)
- Digital Versatile Disk Rewritable (DVD-R)
- Digital VHS (D-VHS)
- Digital Video (DV)
- Digital Video Broadcasting (DVB)
- Digital Video Broadcasting - Cable (DVB-C)
- Digital Video Broadcasting - Handheld (DVB-H)
- Digital Video Broadcasting - Terrestrial (DVB-T)
- Digital Video Broadcasting-Satellite Second Generation (DVB-S2)
- Digital Video Camera (DVCAM)
- Digital Video Express (DIVX)
- Digital Video Recorder (DVR)
- Digital Video Surveillance System
- Digital Visual Interface (DVI)
- Digital Wallet
- Digital Watermark
- Digital Watermarking
- Digital Whiteboard
- Digital-to-Analog Converter (DAC)
- Digitization
- Digitize
- Digitizer Tablet
- Dilbert
- Dimension Table
- Dimensionality Reduction
- DIMM
- DIN Connector
- DIN-8 Connector
- Dining Philosophers Problem
- Diode
- Diode Matrix
- DIP Switch
- Dipole Antenna
- Direct Access File System (DAFS)
- Direct Access Storage Device (DASD)
- Direct Attached Storage (DAS)
- Direct Cable Connection (DCC)
- Direct Chip Cooling
- Direct Connection
- Direct Deposit
- Direct Inward Dial (DID)
- Direct Inward Dialing
- Direct Marketing
- Direct Memory Access (DMA)
- Direct Message (DM)
- Direct Payment
- Direct Response Marketing
- Direct Sequence Spread Spectrum (DSSS)
- Direct-Connect Modem
- Direct3D
- Directed Acyclic Graph (DAG)
- Directed Speech Recognition
- Directional Attributes
- Directional Coupler
- Directional Pad (D-Pad)
- Directional Sound
- Directory Client Agent (DCA)
- Directory Harvest Attack (DHA)
- Directory Server Agent (DSA)
- Directory Service Markup Language (DSML)
- Directory Services
- Directory System Agent (DSA)
- Directory Traversal
- Directory User Agent (DUA)
- DirectX
- Dirty Bit
- Dirty Data
- Dirty Paper Coding (DPC)
- Dirty Power
- DISA
- DISA
- Disambiguation
- Disassembler
- Disaster Recovery
- Disaster Recovery as a Service (DRaaS)
- Disaster Recovery Center
- Disaster Recovery Plan (DRP)
- Disaster Recovery Site (DR Site)
- Disaster Recovery Software
- Disaster Recovery Team
- Disco
- Disconnect Anxiety
- Discoverability
- Discoverability
- Discoverable Mode
- Discretionary Access Control (DAC)
- Discretization
- Disintermediation
- Disjunctive Normal Form (DNF)
- Disk and Execution Monitor (Daemon)
- Disk Array
- Disk Cache
- Disk Cloning
- Disk Defragmentation
- Disk Drive
- Disk Enclosure
- Disk Formatting
- Disk Image
- Disk Mirroring
- Disk Striping
- Disk to Tape (D2T)
- Disk Usage (DU)
- Disk-Based Data Protection (DDP)
- Disk-to-Disk (D2D)
- Disk-to-Disk-to-Cloud (D2D2C)
- Disk-To-Disk-To-Tape (D2D2T)
- DiskPart
- Display Monitor
- DisplayPort
- Disposable Computer
- Disposable Email
- Disposable PC
- Dispose
- Disruption-Tolerant Network (DTN)
- Disruptive Technology
- Distance Vector Multicast Routing Protocol (DVMRP)
- Distance Vector Routing Protocol (DVRP)
- Distributed Antenna System (DAS)
- Distributed Application
- Distributed Artificial Intelligence (DAI)
- Distributed Cache
- Distributed Component Object Model (DCOM)
- Distributed Computing (DCI)
- Distributed Computing System
- Distributed Data Protection (DDP)
- Distributed Database
- Distributed Database Management System (DDBMS)
- Distributed Denial of Service (DDoS)
- Distributed Denial of Service Prevention (DDoS Prevention)
- Distributed Development
- Distributed File System (DFS)
- Distributed Network
- Distributed Processing
- Distributed Relational Database Architecture (DRDA)
- Distributed Search
- Distributed System
- Distributed Transaction
- Distributed Version Control System (DVCS)
- Distribution
- Distribution Software
- Distro
- DITSCAP
- DIVX
- DIWO
- DIY
- Django
- DJGI
- DKIM
- DLC
- DLC
- DLL
- DLL
- DLL Hell
- DllImport Attribute
- DLNA
- DLP
- DLP
- DLSw
- DM
- DMA
- DMAIC
- DMARC
- DMCA
- DMCA 1201
- DMI
- DMI
- DML
- DMM
- DMP
- DMP
- DMS
- DMS
- dmux
- DMZ
- DNA Computing
- DNA Digital Data Storage
- DNF
- DNIS
- DNN
- DNS
- DNS Amplification Attack
- DNS Cache Poisoning
- DNS Hijacking
- DNS Hosting
- DNS Load Balancing
- DNS Lookup
- DNS Parking
- DNS Record
- DNS Resolver
- DNS Server
- DNS Whitelist
- DNS Zone File
- DNSBL
- DNSSEC
- DO
- Do It With Others (DIWO)
- Do It Yourself (DIY)
- Do What I Mean (DWIM)
- Dock
- Docker
- Docking Station
- DoCoMo Java (DoJa)
- DOCSIS
- Document and Media Exploitation (DOMEX)
- Document Management
- Document Object Model (DOM)
- Document Reader
- Document Type Definition (DTD)
- Document Versioning
- Document-Oriented Database
- DoD Directive 8570 (DoDD 8570)
- DOD Information Assurance Certification and Accreditation Process (DIACAP)
- DOD Information Technology Security Certification and Accreditation Process (DITSCAP)
- DoDAF
- DoDD 8570
- Dogecoin
- Dogfooding
- DOI
- DOI
- DOIP
- DoJa
- Dojo Toolkit
- Dolby Digital
- DOM
- Domain
- Domain Authority
- Domain Controller (DC)
- Domain Hijacking
- Domain Migration
- Domain Name
- Domain Name Dispute
- Domain Name Registrant
- Domain Name Registrar
- Domain Name Server Amplification Attack (DNS Amplification Attack)
- Domain Name System (DNS)
- Domain Name System Based List (DNSBL)
- Domain Name System Parking (DNS Parking)
- Domain Name System Security Extensions (DNSSEC)
- Domain Parking
- Domain Security Policy
- Domain Sniper
- Domain Tasting
- Domain-Based Message Authentication, Reporting and Conformance (DMARC)
- Domain-Specific Language (DSL)
- DomainKeys Identified Mail (DKIM)
- DOMEX
- Dominio Internet Inter-Orb Protocol
- Don't Be Evil
- Don't Be Evil Tool
- Donald Davies
- Donald Knuth
- Donationware
- Dongle
- Doorstop
- Dopant
- Doppler Effect
- DoS
- DOS Box
- DOS Command Prompt
- Dot Matrix Printer (DMP)
- Dot Pitch
- Dot-Com Boom
- Dot-Con
- Dot-Green
- Dots Per Inch (DPI)
- Dotsam
- Dotted Decimal Notation
- Dotted Quad
- Double Bucky
- Double Click
- Double Data Rate (DDR)
- Double Data Rate Synchronous Dynamic Random-Access Memory (DDR SDRAM)
- Double Geeking
- Double-density (DD)
- Double-Ended Queue (Deque)
- Doubly Linked List
- Douglas Engelbart
- Downlink
- Download (D/L)
- Downstream
- Downtime
- Downvote
- Doxing
- Doxware
- DP
- DPaaS
- DPC
- DPC
- DPI
- DPI
- DPM
- DPO
- DPoS
- DQA
- DQaaS
- DQM
- DR Site
- DRA
- DRaaS
- Drag And Drop
- DRAM
- Drawing Exchange Format (DXF)
- DRDA
- Drexting
- Dribbleware
- Dridex Malware
- Drive Bay
- Drive-By Download
- Drive-By Pharming
- Driver Development Kit (DDK)
- Driving While Texting (DWT)
- Drizzle
- DRM
- DRM
- DRM-Free
- Drobo
- Drop Amplifier
- Drop-Down Menu
- Dropbox
- Dropper
- DRP
- Drum Printer
- Drupal
- DRY Principle
- DS
- DS
- DSA
- DSA
- DSA
- DSC
- DSL
- DSL
- DSLAM
- DSLR
- DSMA
- DSML
- DSO
- DSP
- DSR
- DSR
- DSS
- DSS
- DSSC
- DSSS
- DSVD
- DTC
- DTCP-IP
- DTD
- DTE
- DTMF
- DTN
- DTP
- DTR
- DTS
- DTS
- DTS-HD
- DTS-HD Master Audio (DTS-HD)
- DTTV
- DTVC
- DU
- DUA
- DUAL
- Dual Band
- Dual Boot
- Dual Core
- Dual In-line Memory Module (DIMM)
- Dual Inline Package Switch (DIP Switch)
- Dual Monitors
- Dual Processor (DP)
- Dual Stack Network
- Dual-Homed Host
- Dual-Mode Device
- Dual-Ring Topology
- Dual-Tone Multifrequency (DTMF)
- Dublin Core (DC)
- Duck
- Dude, Just Google It (DJGI)
- Dumb Network
- Dumb Terminal
- DumpSec
- Dumpster Diving
- DUN
- Dupe Bug
- Duplex
- Duplex Printing
- Duplexer
- Duplication Bug (Dupe Bug)
- Duqu
- Durability
- DUT
- DV
- DVB
- DVB-C
- DVB-H
- DVB-MHP or MHP
- DVB-S2
- DVB-T
- DVCAM
- DVCS
- DVD
- DVD+R
- DVD-5
- DVD-9
- DVD-A
- DVD-Audio (DVD-A)
- DVD-R
- DVD-RAM
- DVD-RAM Drive
- DVD-ROM
- DVI
- DVI-To-VGA Adapter
- DVMRP
- Dvorak Keyboard
- DVPN
- DVR
- DVRP
- DVS
- DW
- DWDM
- DWF
- DWIM
- DWT
- DXF
- Dye-Sensitized Solar Cell (DSSC)
- Dye-Sublimation Printer
- Dynamic Application Security Testing (DAST)
- Dynamic Code Analysis
- Dynamic Content
- Dynamic Content
- Dynamic Data Exchange (DDE)
- Dynamic Data Masking (DDM)
- Dynamic Database Management System (Dynamic DBMS)
- Dynamic DBMS
- Dynamic Disk
- Dynamic Domain Name System (DDNS)
- Dynamic Function Loading
- Dynamic Hashing
- Dynamic Host Configuration Protocol (DHCP)
- Dynamic Host Configuration Protocol Server (DHCP Server)
- Dynamic HTML (DHTML)
- Dynamic HyperText Markup Language (DHTML)
- Dynamic Internet Protocol Address (Dynamic IP Address)
- Dynamic IP Address
- Dynamic Library
- Dynamic Link Library (DLL)
- Dynamic NAT
- Dynamic Network Address Translation (Dynamic NAT)
- Dynamic Pricing
- Dynamic Random Access Memory (DRAM)
- Dynamic Routing
- Dynamic Smart Cooling
- Dynamic SQL
- Dynamic Structured Query Language (Dynamic SQL)
- Dynamic URL
- Dynamic Virtual Private Network (DVPN)
