List of computing and IT abbreviations
There are many abbreviations associated with the computer industry - PC, IT, CPU etc. Add them to this listing, sorted alphabetically by abbreviation. Internet slang gives rise to a number of abbreviations not listed here, as do many common file extensions and file formats .
See also
External links
0-9
/. - Slashdot
10B2 - 10 B ase2
10B5 - 10 B ase5
10B-F - 10 B ase-F
10B-FB - 10 B ase-FB
10B-FL - 10 B ase-FL
10B-FP - 10 B ase-FP
10B-T - 10 B ase-T
10B-FX5 - 10 B ase-FX
100B-T - 100 B ase-T
100B-TX - 100 B ase-TX
100BVG - 100 B aseVG
286 - 80286
2B1Q - 2 B inary 1 Q uaternary
386 - 80386
486 - 80486
4B5BLF - 4 B yte 5 B yte L ocal F iber
802 - 802 .x (where x is a number from 1 to 22)
8B10BLF - 8 B yte 10 B yte L ocal F iber
A
AA - A nti-A liasing
AAA - A uthentication A uthorization, A ccounting
AABB - A xis A ligned B ounding B ox
AAC - A dvanced A udio C oding (audio compression format defined by the MPEG-2 standard)
AAL - A TM A daptation L ayer
AALC - A TM A daptation L ayer C onnection
AARP - A ppleTalk A ddress R esolution P rotocol
ABI - A pplication B inary I nterface
ABM - A synchronous B alanced M ode
ABR - A rea B order R outer
ABR - A uto B aud - R ate Detect
ABR - A vailable B it R ate
AC - A lternating C urrent
AC - A coustic C oupler
ACID - A tomiticy C onsistency I solation D urability
ACL - A ccess C ontrol L ist
ACL - A ctive C urrent L oop
ACM - A ssociation for C omputing M achinery
ACPI - A dvanced C onfiguration and P ower I nterface
ACD - A utomatic C all D istributor
ACF - A dvanced C ommunications F unction
ACF NCP - A dvanced C ommunications F unction - N etwork C ontrol P rogram
ACK - ACK nowledgement
ACR - A llowed C ell R ate
ACR - A ttenuation to C rosstalk R atio
AD - A ctive D irectory
AD - A dministrative D omain
ADC - A pple D isplay C onnector (DVI variant)
ADB - A pple D esktop B us
ADCCP - A dvanced D ata C ommunications C ontrol P rotocol/P rocedures
ADO - A ctiveX D ata O bject
ADSL - A symmetric D igital S ubscriber L ine (variant of DSL )
AE - A daptive E qualizer
AES - A dvanced E ncryption S tandard
AGP - A ccelerated G raphics P ort (sometimes used with a suffix indicating the port's bandwidth, like AGP4x)
AH - A ctive H ub
AI - A rtificial I ntelligence
AIM - A OL I nstant M essenger
AIX - A dvanced I nteractive Ex ecutive
AJAX - A synchronous J avaScript a nd X ML
AL - A ctive L ink
AL - A ccess L ist
ALSA - A dvanced L inux S ound A rchitecture
ALU - A rithmetic and L ogical U nit
AM - A ctive M atrix
AM - A ccess M ethod
AM - A ctive M onitor
AMD - A dvanced M icro D evices
AMI - A merican M egatrends I nc. (BIOS manufacturer)
AMR - A udio M odem R iser
ANSI - A merican N ational S tandards I nstitute
ANT - A nother N eat T ool
AOL - A merica O nl ine
AOP - A spect-O riented P rogramming
APCI - A pplication-Layer P rotocol C ontrol I nformation
API - A pplication P rogramming I nterface
APIC - A dvanced P rogrammable I nterrupt C ontroller
APL - A P rogramming L anguage
APS - A ccunet P acket S ervice
APR - A pache P ortable R untime
ARM - A dvanced R ISC M achines
ARP - A ddress R esolution P rotocol
ARPA - A ddress and R outing P arameter A rea
ARPA - A dvanced R esearch P rojects A gency (see also DARPA)
ARPANET - A dvanced R esearch P rojects A gency Net work
AS - A ccess S erver
ASCII - A merican S tandard C ode for I nformation I nterchange
ASG - A bstract S emantic G raph
ASIC - A pplication S pecific I ntegrated C ircuit
ASN.1 - A bstract S yntax N otation 1
ASP - A pplication S ervice P rovider
ASP (MS ASP) - A ctive S erver P ages
AST - A bstract S yntax T ree
AT - A dvanced T echnology
AT - A ccess T ime
AT - A ctive T erminator
ATA - A dvanced T echnology A ttachment
ATAPI - A dvanced T echnology A ttachment P acket I nterface
ATI - A rray T echnology I ndustry
AT&T - A merican T elephone & T elegraph
AVI - A udio V ideo I nterleaved
AWT - A bstract W indowing T oolkit
B
B2B - B usiness-to -B usiness
Bash - B ourne-a gain sh ell
BASIC - B eginner's A ll-Purpose S ymbolic I nstruction C ode (acronym was added later)
BBS - B ulletin B oard S ystem
BCD - B inary C oded D ecimal
BER - B it E rror R ate
BFD - B inary F ile D escriptor
BFS - B readth-F irst S earch
BiDi - Bi -Di rectional
BINAC - Bin ary A utomatic C omputer
BIND - B erkeley I nternet N ame D aemon
BIOS - B asic I nput O utput S ystem
BJT - B ipolar J unction T ransistor
Blog - Web Log
BNC - B ayonet N eill-C oncelman
BOFH - B astard O perator F rom H ell
BOOTP - Boot strap P rotocol
bps - b its p er s econd
BSA - B usiness S oftware A lliance
BSD - B erkeley S oftware D istribution (Unix variant)
BSOD - B lue S creen o f D eath (MS Windows specific)
BSS - B lock S tarted by S ymbol
BT - B itT orrent
BW - B andw idth
C
CA - C ertificate A uthority
CAD - C omputer-A ided D esign
CAE - C omputer-A ided E ngineering
CAID - C omputer A ided I ndustrial D esign
CAM - C omputer-A ided M anufacturing
CAQ - C omputer A ided Q uality
CASE - C omputer-A ided S oftware E ngineering
CD - C ompact D isc
CDE - C ommon D esktop E nvironment
CDMA - C ode D ivision M ultiple A ccess
CD-R - CD -R ecordable
CD-ROM - CD R ead-O nly M emory
CD-RW - CD -R ew ritable
CERT - C omputer E mergency R esponse T eam
CF - C ompact F lash
CFD - C omputational F luid D ynamics
CFG - C ontext-F ree G rammar
CFG - C ontrol F low G raph
CG - C omputer G raphics
CGA - C olor G raphics A rray
CGI - C ommon G ateway I nterface
CGI - C omputer-G enerated I magery
CIFS - C ommon I nternet F iles ystem
CIM - C ommon I nformation M odel
CISC - C omplex I nstruction S et C omputer
CJK - C hinese, J apanese, and K orean
CJKV - C hinese, J apanese, K orean, and V ietnamese
CLI - C ommand L ine I nterface
CLR - C ommon L anguage R untime
CM - C onfiguration M anagement
CM - C ontent M anagement
CMOS - C omplementary M etal-O xide S emiconductor
CMS - C ontent M anagement S ystem
CN - C anonical N ame
C ommon N ame?
CNC - C omputer N umerical C ontrol
CNR - C ommunication and N etworking R iser
COBOL - Co mmon B usiness-O riented L anguage
COM - C omponent O bject M odel
CORBA - C ommon O bject R equest B roker A rchitecture
CPAN - C omprehensive P erl A rchive N etwork
cps - c haracters p er s econd
CPU - C entral P rocessing U nit
CR - C arriage R eturn
CRAN - C omprehensive R A rchive N etwork
CRC - C yclic R edundancy C heck
CRLF - C arriage R eturn L ine F eed
CRM - C ustomer R elationship M anagement
CRT - C athode R ay T ube
CS - C able S elect
CS - C omputer S cience
CSE - C omputer S cience and E ngineering
CSRF - C ross-S ite R equest F orgery
CSS - C ascading S tyle S heets
CSS - C ontent-S crambling S ystem
CSS - C losed S ource S oftware
CSS - C ross S ite S cripting
CSV - C omma-S eparated V alues
CT - C omputerized T omography
CTAN - C omprehensive T eX A rchive N etwork
CTCP - C lient-T o-C lient P rotocol
CTS - C lear T o S end
CTSS - C ompatible T ime-S haring S ystem
CVS - C oncurrent V ersioning S ystem
D
DARPA - D efense A dvanced R esearch P rojects A gency
DAO - D ata A ccess O bjects
DAO - D isk-A t-O nce
DAP - D irectory A ccess P rotocol
DAT - D igital A udio T ape
DB - D atab ase
DBA - D atab ase A dministrator
DBCS - D ouble B yte C haracter S et
DBMS - D atab ase M anagement S ystem
DCC - D irect C lient-to-C lient
DCL - D ata C ontrol L anguage
DCMI - D ublin C ore M etadata I nitiative
DCOM - D istributed C omponent O bject M odel
DD - D ouble D ensity
DDE - D ynamic D ata E xchange
DDL - D ata D efinition L anguage
DDoS - D istributed D enial o f S ervice
DDR - D ouble D ata R ate
DEC - D igital E quipment C orporation
DES - D ata E ncryption S tandard
DFD - D ata F low D iagram
DFS - D epth-F irst S earch
DHCP - D ynamic H ost C onfiguration P rotocol
DHTML - D ynamic HTML
DIMM - D ual I nline M emory M odule
DIP - D ual I n-line P ackage
DIVX - Di gital V ideo Ex press
DL - D ownl oad
DLL - D ynamic L ink L ibrary
DLP - D igital L ight P rocessing
DMA - D irect M emory A ccess
DMCA - D igital M illennium C opyright A ct
DML - D ata M anipulation L anguage
DN - D istinguished N ame
DND - D rag-and -D rop
DNS - D omain N ame S ystem
DOM - D ocument O bject M odel
DoS - D enial o f S ervice
DOS - D isk O perating S ystem
DP - D ot P itch
DPI - D ots P er I nch
DPMI - D OS P rotected M ode I nterface
DPMS - D isplay P ower M anagement S ignaling
DRAM - D ynamic R andom A ccess M emory
DRI - D irect R endering I nfrastructure
DRM - D igital R ights M anagement
DRM - D irect R endering M anager
DSDL - D ocument S chema D efinition L anguages
DSDM - D ynamic S ystems D evelopment M ethod
DSN - D atabase S ource N ame (ODBC)
DSN - D atas et N ame? (OS/390)
DTD - D ocument T ype D efinition
DTP - D eskt op P ublishing
DTR - D ata T erminal R eady?
DVD - D igital V ideo D isc
DVR - D igital V ideo R ecorder (see also PVR)
E
EAP - E xtensible A uthentication P rotocol
EBCDIC - E xtended B inary C oded D ecimal I nterchange C ode
EBML - E xtensible B inary M eta L anguage
ECC - E lliptic C urve C ryptography
ECMA - E uropean C omputer M anufacturers A ssociation
EDI - E lectronic D ata I nterchange
EDO - E xtended D ata O ut
EDSAC - E lectronic D elay S torage A utomatic C omputer
EDVAC - E lectronic D iscrete V ariable A utomatic C omputer
EEPROM - E lectronically-E raseable P rogrammable R ead-O nly M emory
EFF - E lectronic F rontier F oundation
EFI - E xtensible F irmware I nterface
EGA - E nhanced G raphics A rray
eID - e lectronic ID
EIDE - E nhanced IDE
EISA - E xtended I ndustry S tandard A rchitecture
ELF - E xtremely L ow F requency
ELF - E xecutable and L inkable F ormat
ELM - El ectronic M ail
EMACS - E ditor Mac ros
ENIAC - E lectronic N umerical I ntegrator A nd C omputer
EOF - E nd o f F ile
EOL - E nd o f L ife
EOL - E nd o f L ine
EPROM - E raseable P rogrammable R ead-O nly M emory
ERP - E nterprise R esource P lanning
ESD - E lectros tatic D ischarge
ESR - E ric S teven R aymond
EULA - E nd U ser L icense A greement
F
FAP - F ORTRAN A ssembly P rogram
FAT - F ile A llocation T able
FAQ - F requently A sked Q uestions
FCB - F ile C ontrol B lock
FDD - F loppy D isk D rive
FDDI - F iber D istributed D ata I nterface
FDMA - F requency-D ivision M ultiple A ccess
FEC - F orward E rror C orrection
FET - F ield E ffect T ransistor
FIFO - F irst I n F irst O ut
FHS - F ilesystem H ierarchy S tandard
FLAC - F ree L ossless A udio C odec
FLOPS - FL oating-Point O perations P er S econd
FLOSS - F ree/L ibre O pen S ource S oftware
FOLDOC - F ree O n-l ine D ictionary o f C omputing
FOSS - F ree/O pen S ource S oftware
FPGA - F ield P rogrammable G ate A rray
FPU - F loating P oint U nit
FS - F ile S ystem
FSB - F ront S ide B us
FSF - F ree S oftware F oundation
FSM - F inite S tate M achine
FTTP - F iber T o T he P remises
FTP - F ile T ransfer P rotocol
FQDN - F ully Q ualified D omain N ame
FUD - F ear U ncertainty D oubt
G
G11N - Globalization
Gb - G igab it
GB - G igab yte
GCC - G NU C ompiler C ollection (formerly G NU C C ompiler)
GDB - G NU D eb ugger
GDI - G raphics D evice I nterface
GFDL - G NU F ree D ocumentation L icense
GIF - G raphics I nterchange F ormat
GIGO - G arbage I n G arbage O ut
GIMP - G NU I mage M anipulation P rogram
GIMPS - G reat I nternet M ersenne P rime S earch
GIS - G eographic I nformation S ystem
GNOME - GN U O bject M odel E nvironment
GNU - G NU's N ot U nix
GPG - G NU P rivacy G uard
GPIB - G eneral-P urpose I nstrumentation B us
GPL - G eneral P ublic L icense
GRUB - Gr and U nified B oot-Loader
GTK - G IMP T oolk it
GUI - G raphical U ser I nterface
GUID - G lobally U nique ID entifier
H
HAL - H ardware A bstraction L ayer
HCI - H uman C omputer I nteraction
HD - H igh D ensity
HDD - H ard D isk D rive
HD-DVD - H igh D efinition DVD
HDL - H ardware D escription L anguage
HF - H igh F requency
HIG - H uman I nterface G uidelines
HIRD - H urd of I nterfaces R epresenting D epth
HP - H ewlett-P ackard
HPFS - H igh P erformance F ile S ystem
HT - H yper T hreading
HTML - H ypert ext M arkup L anguage
HTTP - H ypert ext T ransport P rotocol
HTTPd - H ypertext T ransport P rotocol D aemon
HURD - H ird of U nix-R eplacing D aemons
Hz - H ertz
I
I18N - Internationalization
IANA - I nternet A ssigned N umbers A uthority
iBCS - I ntel B inary C ompatibility S tandard
IBM - I nternational B usiness M achines
IC - I ntegrated C ircuit
ICANN - I nternet C orporation for A ssigned N ames and N umbers
ICE - I n-C ircuit E mulator
ICE - I ntrusion C ountermeasure E lectronics
ICMP - I nternet C ontrol M essage P rotocol
IDE - I ntegrated D evelopment E nvironment
IDE - I ntegrated D rive E lectronics
IDL - I nterface D efinition L anguage
IE - I nternet E xplorer
IEC - I nternational E lectrotechnical C ommission
IEEE - I nstitute of E lectrical and E lectronics E ngineers
IETF - I nternet E ngineering T ask F orce
IGMP - I nternet G roup M anagement P rotocol
IIOP - I nternet I nter-O rb P rotocol
IM - I nstant M essaging
IMAP - I nternet M essage A ccess P rotocol
I/O - I nput/O utput
IP - I ntellectual P roperty
IP - I nternet P rotocol
IPC - I nter-P rocess C ommunication
IPsec - I ntenet P rotocol sec urity
IPX - I nternetwork P acket Ex change
IRC - I nternet R elay C hat
IrDA - I nfrar ed D ata A ssociation
IRQ - I nterrupt R eq uest
IS - I nformation S ystems
ISA - I ndustry S tandard A rchitechture
ISDN - I ntegrated S ervices D igital N etwork
ISO - I nternational O rganization for S tandardization
ISP - I nternet S ervice P rovider
ISPF - I nteractive S ystem P roductivity F acility
ISV - I ndependent S oftware V endor
IT - I nformation T echnology
ITU - I nternational T elecommunication U nion
J
JAXP - J ava A PI for X ML P rocessing
JCL - J ob C ontrol L anguage
JDBC - J ava D atab ase C onnectivity
JDK - J ava D evelopment K it
JDS - J ava D esktop S ystem
JFC - J ava F oundation C lasses
JFET - J unction F ield-E ffect T ransistor
JFS - J ournaling F iles ystem
JINI - J ini I s N ot I nitials
JIT - J ust-I n-T ime
JNI - J ava N ative I nterface
JPEG - J oint P hotographic E xperts G roup
JRE - J ava R untime E nvironment
JS - J avaS cript
JSON - J avaS cript O bject N otation
JSP - J ackson S tructured P rogramming
JSP - J avaS erver P ages
JVM - J ava V irtual M achine
jwz - J amie Z aw inski
K
KB - K eyb oard
Kb - K ilob it
KB - K ilob yte
KB - K nowledge B ase
KDE - K D esktop E nvironment
kHz - K iloH ertz
KISS - K eep I t S imple, S tupid
KVM - K eyboard, V ideo, M ouse
L
L10N - Localization
LAMP - L inux A pache M ySQL (P erl, P HP, or P ython)
LAN - L ocal A rea N etwork
LBA - L ogical B lock A ddressing
LCD - L iquid C rystal D isplay
LCOS - L iquid C rystal O n S ilicon
LDAP - L ightweight D irectory A ccess P rotocol
LED - L ight-E mitting D iode
LF - L ine F eed
LF - L ow F requency
LFS - L inux F rom S cratch
LIF - L ow I nsertion F orce
LIFO - L ast I n F irst O ut
LILO - Li nux Lo ader
LKML - L inux K ernel M ailing L ist
LGPL - [GNU] L esser G eneral P ublic L icense
LOC - L ines o f C ode
LPI - L inux P rofessional I nstitute
LSB - L east S ignificant B it
LSB - L inux S tandard B ase
LSI - L arge-S cale I ntegration
LTR - L eft-t o-R ight
LUG - L inux U ser G roup
LUN - Logical Unit Number
LZW (algorithm) - L empel-Z iv-W elch
M
MAC - M edia A ccess C ontrol
MAN - M etropolitan A rea N etwork
MANET - M obile A d-Hoc Net work
MAPI - M essaging A pplication P rogramming I nterface
Mb - M egab it
MB - M egab yte
MBCS - M ulti B yte C haracter S et
MBR - M aster B oot R ecord
MCA - M icro C hannel A rchitecture
MCSE - M icrosoft C ertified S ystem E ngineer
MDA - M onochrome D isplay A dapter
ME - [Windows] M illennium E dition
MF - M edium F requency
MFC - M icrosoft F oundation C lasses
MHz - M egah ertz
MIPS - M illion I nstructions P er S econd
MIPS - M icroprocessor without I nterlocked P ipeline S tages
MIS - M anagement I nformation S ystems
MIT - M assachusetts I nstitute of T echnology
MIME - M ultipurpose I nternet M ail E xtensions
MMORPG - M assively M ultiplayer O nline R ole-P laying G ame
MMU - M emory M anagement U nit
MMX - M ulti-M edia Ex tensions
MNG - M ultiple-image N etwork G raphics
MoBo - Mo therbo ard
MOO - M UD O bject O riented
MOSFET - M etal-O xide S emiconductor FET
MOTD - M essage O f T he D ay
MPAA - M otion P icture A ssociation of A merica
MPEG - M otion P ictures (Coding) E xperts G roup
MPL - M ozilla P ublic L icense
MS - M icros oft
MSB - M ost S ignificant B it
MS-DOS - M icros oft DOS
MTU - M aximum T ransmission U nit
MSDN - M icros oft D eveloper N etwork
MSI - M edium-S cale I ntegration
MUD - M ulti-U ser D ungeon
MVC - M odel-V iew-C ontroller
MVS - M ultiple V irtual S torage
N
NACK - N egative ACK nowedgement
NAK - N egative A cK nowedgement Character
NAT - N etwork A ddress T ranslation
NCSA - N ational C enter for S upercomputing A pplications
NDS - N ovell D irectory S ervices
NEXT - N ear-E nd CrossT alk
NFS - N etwork F iles ystem
NI - N ational I nstruments
NIC - N etwork I nterface C ard
NIST - N ational I nstitute of S tandards and T echnology
NLP - N atural L anguage P rocessing
NP - N on-Deterministic P olynomial-Time
NPL - N etscape P ublic L icense
NPU - N umeric P rocessing U nit?
NS - N ets cape
NSA - N ational S ecurity A gency
NSPR - N etscape P ortable R untime
NMI - N on-M askable I nterrupt
NTP - N etwork T ime P rotocol
NNTP - N etwork N ews T ransfer P rotocol
NOP - N o Op eration
NT - N ew T echnology
NTFS - NT F iles ystem
NTLM - NT L an M anager
NURBS - N onu niform r ational B -s pline
NVRAM - N on-V olatile R andom A ccess M emory
O
OASIS - O rganization for the A dvancement of S tructured I nformation S tandards
ODBC - O pen D atab ase C onnectivity
OEM - O riginal E quipment M anufacturer
OFTC - O pen and F ree T echnology C ommunity
OLE - O bject L inking and E mbedding
OLED - O rganic L ight E mitting D iode
OMG - O bject M anagement G roup
OO - O bject-O riented
OO - O pen O ffice
OOo - O penO ffice.o rg
OOP - O bject-O riented P rogramming
ORB - O bject R equest B roker
OS - O pen S ource
OS - O perating S ystem
OSDN - O pen S ource D eveloper N etwork
OSI - O pen S ource I nitiative
OSI - O pen S ystems I nterconnect
OSPF - O pen S hortest P ath F irst
OSS - O pen S ound S ystem
OSS - O pen S ource S oftware
OSTG - O pen S ource T echnology G roup (formerly OSDN)
P
P2P - P eer-To -P eer
PAN - P ersonal A rea N etwork
PARC - P alo A lto R esearch C enter
PATA - P arallel ATA
PCB - P rinted C ircuit B oard
PC - P ersonal C omputer
PCI - P eripheral C omponent I nterconnect
PCMCIA - P ersonal C omputer M emory C ard I nternational A ssociation
PCM - P ulse-C ode M odulation
PD - P ublic D omain
PDA - P ersonal D igital A ssistant
PDF - P ortable D ocument F ormat
PDP - P rogrammed D ata P rocessor
PERL - P ractical E xtraction and R eporting L anguage
PGA - P in G rid A rray
PGA - P rogrammable G ate A rrays
PGP - P retty G ood P rivacy
PHP - P HP: H ypertext P reprocessor
PIC - P eripheral I nterface C ontroller
PID - P roportional-I ntegral-D erivative
PID - P rocess ID
PINE - P rogram for I nternet N ews & E mail (unofficially P INE I s N ot E lm)
PIO - P rogrammed I nput/O utput
PKCS - P ublic K ey C ryptography S tandards
PKI - P ublic K ey I nfrastructure
PLC - P rogrammable L ogic C ontroller
PLD - P rogrammable L ogic D evice
PL/I - P rogramming L anguage One
PL/M - P rogramming L anguage M icrocomputer
PNG - P ortable N etwork G raphics
PnP - P lug-and -P lay
POP - P oint o f P resence
POP3 - P ost O ffice P rotocol v3
POSIX - P ortable O perating S ystem Interface
POST - P ower-O n S elf T est
PPC - P owerPC
PPI - P ixels P er I nch
PPP - P oint-to-P oint P rotocol
PPPoE - PPP o ver E thernet
PS - P ostS cript
PS/2 - P ersonal S ystem/2
PSVI - P ost-S chema-V alidation I nfoset
PVR - P ersonal V ideo R ecorder
PXE - P re Ex ecution E nvironment
PXI
Q
QA - Q uality A ssurance
QoS - Q uality o f S ervice
QOTD - Q uote o f t he D ay
Qt - Q uasar T oolkit
R
RAD - R apid A pplication D evelopment
RADIUS - R emote A uthentication D ial I n U ser S ervice
RAID - R edundant A rray of I nexpensive D isks
RAM - R andom A ccess M emory
RARP - R everse A ddress R esolution P rotocol
RC - R elease C andidate
RCS - R evision C ontrol S ystem
RDBMS - R elational D atab ase M anagement S ystem
RDF - R esource D escription F ramework
REFAL - RE cursive F unctions A lgorithmic L anguage
RF - R adio F requency
RFC - R equest F or C omments
RFE - R equest F or E nhancement
RFI - R adio F requency I nterference
RFID - R adio F requency Id entification
RGB - R ed, G reen, B lue
RH - R ed H at (Linux)
RHEL - R ed H at E nterprise L inux
RIAA - R ecording I ndustry A ssociation of A merica
RIP - R aster I mage P rocessor
RIP - R outing I nformation P rotocol
RISC - R educed I nstruction S et C omputer
RLE - R un-L ength E ncoding
RMI - R emote M ethod I nvocation
RMS - R ichard M atthew S tallman
ROM - R ead O nly M emory
RPC - R emote P rocedure C all
RPM - R edHat P ackage M anager
RSA - R ivest S hamir A dleman
RSS - R ich S ite S ummary, R DF S ite S ummary, or R eally S imple S yndication
RTL - R ight-t o-L eft
RTOS - R eal T ime O perating S ystem
RTS - R eady T o S end
S
SAN - S torage A rea N etwork
SATA - S erial ATA
SAX - S imple A PI for X ML
SCP - S ecure C opy
SCSI - S mall C omputer S ystem I nterface
SD - S ecure D igital
SDIO - S ecure D igital ? ?
SDK - S oftware D evelopment K it
SDL - S imple D irectMedia L ayer
SDR - S oftware-D efined R adio
SDRAM - S ynchronous D ynamic R andom A ccess M emory
SDSL - S ymmetric DSL
SEAL - S emantics-directed E nvironment A daptation L anguage
SEI - S oftware E ngineering I nstitute
SFTP - S ecure FTP
SFTP - S imple F ile T ransfer P rotocol
SFTP - S SH F ile T ransfer P rotocol
SGI - S ilicon G raphics, I ncorporated
SGML - S tandard G eneralized M arkup L anguage
SHA - S ecure H ash A lgorithm
SIGGRAPH - S pecial I nterest G roup on Graph ics,
SIMD - S ingle I nstruction, M ultiple D ata
SIMM - S ingle I nline M emory M odule
SIP - S ession I nitiation P rotocol
SLI - S calable L ink I nterface
SLIP - S erial L ine I nternet P rotocol
SMB - S erver M essage B lock
SMC - SMC Networks (company)
SMIL - S ynchronized M ultimedia I ntegration L anguage
S/MIME - S ecure/M ultipurpose I nternet M ail E xtensions
SMP - S ymmetric M ulti-P rocessing
SMS - S hort M essage S ervice
SMT - S imultaneous M ultit hreading
SMTP - S imple M ail T ransfer P rotocol
SNMP - S imple N etwork M anagement P rotocol
SOAP - S imple O bject A ccess P rotocol
SoC - S ystem-o n-a-C hip
SO-DIMM - S mall O utline DIMM
SP - S ervice P ack
SPARC - S calable P rocessor Arc hitecture
SQL - S tructured Q uery L anguage
SRAM - S tatic R andom A ccess M emory
SSD - S oftware S pecification D ocument
SSH - S ecure Sh ell
SSI - S erver S ide I ncludes
SSI - S ingle-S ystem I mage
SSI - S mall-S cale I ntegration
SSL - S ecure S ocket L ayer
SUS - S ingle U NIX S pecification
SVG - S calable V ector G raphics
SVGA - S uper V ideo G raphics A rray
SWT - S tardard W idget T oolkit
T
TAO - T rack-A t-O nce
TB - T erab yte
Tcl - T ool C ommand L anguage
TCP - T ransmission C ontrol P rotocol
TCP/IP - T ransmission C ontrol P rotocol/I nternet P rotocol
TDMA - T ime D ivision M ultiple A ccess
TFT - T hin F ilm T ransistor
TI - T exas I nstruments
Tk -
TLA - T hree-L etter A cronym
TLD - T op-L evel D omain
TLS - T ransport L ayer S ecurity
TSO - T ime S haring O ption
TSP - T raveling S alesman P roblem
TTL - T ransistor-T ransistor L ogic
TTA - T rue T ap A udio
TTL - T ime T o L ive
TTY - T elety pe
TUCOWS - T he U ltimate C ollection o f W insock S oftware
U
UART - U niversal A synchronous R eceiver T ransmitter
UDDI - U niversal D escription, D iscovery, and I ntegration
UDMA - U ltra DMA
UDP - U ser D atagram P rotocol
UHF - U ltra H igh F requency
UI - U ser I nterface
UL - U pl oad
UML - U nified M odeling L anguage
UML - U ser M ode L inux
UNC - U niversal N aming C onvention
UPS - U ninterruptible P ower S upply
URI - U niform R esource I dentifier
URL - U niform R esource L ocator
URN - U niform R esource N ame
USB - U niversal S erial B us
UTC - C oordinated U niversal T ime
UTF - U nicode T ransformation F ormat
UUCP - U nix to U nix C opy P rotocol
UVC - U niversal V irtual C omputer
V
VAX - V irtual A ddress eX tension
VR - V irtual R eality
VRML - V irtual R eality M odeling L anguage
VB - V isual B asic
VBA - V isual B asic for A pplications
VBS - V isual B asic S cript
VESA - V ideo E lectronics S tandards A ssociation
VFAT - V irtual FAT
VFS - V irtual F ile S ystem
VGA - V ideo G raphics A rray
VHF - V ery H igh F requency
VLB - V esa L ocal B us
VLF - V ery L ow F requency
VLSI - V ery-L arge-S cale I ntegration
VM - V irutal M emory
VM - V irtual M achine
VOD - V ideo O n D emand
VoIP - V oice o ver IP
VPN - V irtual P rivate N etwork
VT - V ideo T erminal?
VTAM - V irtual T elecommunications A ccess M ethod
W
W3C - W orld W ide W eb C onsortium
WAFS - W ide A rea F ile S ervices
WAIS - W ide A rea I nformation S erver
WAN - W ide A rea N etwork
WAP - W ireless A ccess P oint
WAP - W ireless A pplication P rotocol
WAV - WAV Eform audio format
WBEM - W eb-B ased E nterprise M anagement
WDM - W avelength D ivision M ultiplexing
WebDAV - WWW D istributed A uthoring and V ersioning
WEP - W ired E quivalent P rivacy
Wi-Fi - Wi reless Fi delity
WiMAX - W orldwide I nteroperability for M icrowave Acc ess
WINS - W indows I nternet N aming S ervice
WMA - W indows M edia A udio
WOL - W ake o n L AN
WPA - W i-Fi P rotected A ccess
WSDL - W eb S ervices D escription L anguage
WWW - W orld W ide W eb
WYSIWYG - W hat Y ou S ee I s W hat Y ou G et
X
XAML - eX tensible A pplication M arkup L anguage
XDM - X Window D isplay M anager
XCBL - X ML C ommon B usiness L ibrary
XHTML - eX tensible H ypertext M arkup L anguage
XML - eX tensible M arkup L anguage
XMMS - X M ultim edia S ystem
XMPP - eX tensible M essaging and P resence P rotocol
XP - Cross P latform (not Windows XP)
XP - Ex treme P rogramming
XPCOM - Cross P latform C omponent O bject M odel
XPI - Cross P latform I nstaller
XPIDL - Cross P latform IDL
XSD - X ML S chema D efinition
XSL-T - eX tensible S tylesheet L anguage T ransformations
XSS - Cross S ite S cripting
XT -
XUL - X ML-based U ser-interface L anguage
Y
Y2K - Y ear Two Thousand
YACC - Y et A nother C ompiler C ompiler
YAML - Y AML A in't M arkup L anguage
YAST - Y et A nother S etup T ool
Z
ZCS - Z ero C ode S uppression
ZI - Z ero I nsertion
ZIF - Z ero I nsertion F orce
ZIFS - Z ero I nsertion F orce S ocket
ZOPE - Z O bject P ublishing E nvironment
ZMA - Z one M ulticast A ddress
