Computer/System Terms
Acronyms - D
- DAC (D/A converter) - digital-to-analog converter
- DAC - digital-to-audio conversion
- DAC - discretionary access control
- DAC - dual-attached concentrator
- DAE - digital audio extraction
- DAO - Disk at once
- DAR - data at rest
- DAS - data acquisition servers
- DAS - direct(ly) attached storage
- DAS - dual-attachment station
- DASD - direct access storage device
- DASP - drive active/slave present
- dB - decibel
- DBB - dynamic bass boost
- DBMS - database management system
- dc - domain component
- DC - direct current
- DC - domain controller (Windows environment)
- DCE - data circuit-terminating equipment
- DCE - data communication equipment
- DCE - Distributed Computing Environment
- DCL - data control language
- DCOM - Distributed Component Object Model
- DCS - distributed control system
- DDC - Display Data Channel
- DDL - data definition language
- DDNS - Dynamic Domain Name System
- DDR - double data rate
- DDR - dial-on-demand routing
- DDR SDRAM - Double Data Rate Synchronous Dynamic Random Access Memory
- DevID - device identifier
- DHCP - Dynamic Host Configuration Protocol
- DIB - Dual Independent Bus (architecture)
- DID - direct inward dialed (phone)
- DIMM - dual inline memory module
- DIP - dual inline package (chip)
- dir - directory (Windows command line)
- DISA - direct inward system access (phone)
- DL - double-layer (DVD)
- DLL - Dynamic Link Library
- DLP - Digital Light Processing
- DMA - direct memory access
- DMA - Direct Memory Addressing
- DMD - digital micromirror device
- DMI - Direct Media Interface
- DML - data manipulation language
- DMM - digital multimeter (tester)
- DMS - Distributed/Distribution Management System
- DMT - Discrete Multitone
- DNA - Distributed Internet Architecture (Windows)
- DNAT - Dynamic Network Address Translation
- DNs - distinguished names (database organization)
- DNS - Domain Name Server
- DNS - Domain Name Service (Sometimes referred to as Domain Name System.)
- DO - Dynamic Optimization
- DOCSIS - Data-Over-Cable Service Interface Specification (data transfer standard)
- DOI - Digital Object Identifier
- DOM - Document Object Model
- DOS - Disk Operating System
- dpi - dots per inch
- DPMI - Disk Operating System Protected Mode Interface
- DPMS - Display Power-Management Signaling
- DR-DOS - Digital Research - Disk Operating System
- DRAM - Dynamic Random Access Memory
- DRM - Data Reference Model
- DSP - digital signal processing
- DSP - digital signal processor
- DSSS - direct sequence spread spectrum (wireless transmission)
- DTD - document type definition
- DTMF - dual-tone multi-frequency
- DTV - digital television
- DUN - Dial-Up Networking
- DVD - digital versatile disc
- DVD - digital video disc (original)
- DVD-R - digital versatile disc - recordable
- DVD-RAM - digital versatile disc - random access memory
- DVD-ROM - digital versatile disc - read only memory
- DVD-RW - digital versatile disc - rewritable
- DVI - Digital Video/Visual Interface
- DVMT - Dynamic Video Memory Technology
- DVR - digital video recorder
- DWDM - dense wavelength division multiplexing
- DynDNS - Dynamic Domain Name System
Acronyms - E
- EA - Enterprise Architecture
- EAC - electronic access control
- EAX - environmental audio extensions
- EBCDIC - Extended Binary Coded Decimal Interchange Code
- EC - electronic commerce
- ECC - error-correcting/correction code
- ECC RAM - error-correcting code random access memory
- ECP - Enhanced Capabilities Port
- EDD - Enhanced Disk Drive
- EDGE - Microsoft's web browser
- EDI - electronic data interchange
- EDO - extended data out
- EDO DRAM - extended data out dynamic random access memory
- EDO RAM - extended data out random access memory
- EDP - Electronic Data Processing
- EEPROM - electrically erasable programmable read-only memory
- EFI - Extensible Firmware Interface
- EI - economy interconnection (power connector)
- EIDE - Extended Integrated Device Electronics (disk drives)
- EIGRP - Enhanced Interior Gateway Routing Protocol
- EISA - Extended Industry Standard Architecture (buses)
- e-mail - electronic mail
- EMC - ElectroMagnetic Compatibility
- EMI - electromagnetic interference
- ENIAC - Electrical Numerical Integrator And Calculator (first large-scale computer)
- EOC - end of chain (character)
- EP - electrophotographic (printing process)
- EPA - Enhanced Performance Architecture (communications)
- EPP - Enhanced Parallel Port
- EPROM - erasable programmable read-only memory
- EPS - entry-level power supply
- EPS - Encapsulated Postscript (file format)
- eSATA - external Serial Advanced Techology Attachment
- ESD - Electrostatic Discharge
- ESDI - Enhanced Small Device Interface
- ESI - Electronically Stored Information
- ESN - Electronic Serial Number
- EUHP - external Serial Advanced Technology Attachment Universal Serial Bus Hybrid Port
- EV - exposure value (photography)
- EXIF - Exchangeable Image File Format
Acronyms - F
- FA - Foreign Agent (mobile communications)
- FaaS - Function-as-a-Service
- FAQ - Frequently Asked Questions
- FAT - File Allocation Table
- FAT32 - File Allocation Table, 32 bit
- FAT64 (aka exFAT) - File Allocation Table, 64 bit
- FC - Fibre Channel
- FC-PGA - flip-chip pin grid array
- FCoE - Fibre Channel over Ethernet
- FCP - Fibre Channel Protocol
- FCS - frame check sequence
- FDC - floppy drive connector
- FDDI - Fiber Distributed Data Interface
- FDI - Flexible Display Interface
- FDM - frequency-division multiplexing
- FDMA - frequency division multiple access
- FEC - field-effect transistor
- FF - form feed (printing)
- FHSS - frequency hopping spread spectrum
- FIC - flex interconnect cable
- FIFO - first-in, first-out
- FILO - first in, last out
- FLOPS - floating-point operations per second
- FLR - Function Level Reset
- FM - frequency modulation
- FORTRAN - Formula Translation (programming language)
- FPD-Link - Flat Panel Display-Link (laptop connection)
- FPGA - field-programmable gate array (programmable chip)
- FPM - Fast Page Mode
- FPM DRAM - Fast Page Mode Dynamic Random Access Memory
- FPS - Frames Per Second
- FPU - Floating Point Unit (math coprocessors)
- FQDN - Fully Qualified Domain Name
- FS - file system
- FSB - Front Side Bus
- FSO - free-space optics (optical wireless)
- FTG - frequency timing generator (speed conversion)
- FTP - File Transfer Protocol