keywords.txt

2-D, two-dimensional
2FA, two-factor authentication
2G, second generation
3-D, three-dimensional
3G, 3rd Generation
3GPP, 3rd Generation Partnership Project
5G, 5th Generation
24x7, 24 hours a day seven days a week
24/7, 24 hours a day seven days a week
AA, Anti-alias
AAC, Advanced Audio Coding
AAM, autmoatic acoustic management
AAS, as a service or Auto Area Segmentation
ABC, Atanasoff-Berry Computer
Abend, abnormabl end
ABIOS, Advanced BIOS
ABP, AdBlock Plus
AC, alternating current anonymous coward or Asherons Call
ACCT, account
ACE, access control entry
Ack, acknowledgment
ACL, access control list
ACM, Association for Computing Machinery
ACPI, Advanced Configuration and Power Interface
ACR, absolute cell reference attenuation crosstalk ratio actual cell rate or annual compliance report
ACS, access control system
AD, Active Directory
ADB, Android Debug Bridge or Apple Desktop Bus
ADC, analog-to-digital
ADO, ActiveX Data Object
ADPCM, adaptive delta pulse code modulation
ADSI, Active Directory Service Interface or analog display service interface
ADSL, asymmetric digital subscriber line
ADSM, ADSTAR Distributed Storage Management
AE, After Effects or automatic exposure
AE lock, auto exposure lock
AES, Advanced Encryption Standard
AF, Autofocus
AGP, accelerated graphics port
AHCI, Advanced Host Controller Interface
AI, artificial intelligence
AIM, AOL Instant Messenger or Apple IBM and Motorola
AIML, Artificial Intelligent Markup Language
AIMM, AGP in-line memory module
AIO, All-in-One
AIX, advanced interactive executive
AJAX, Asynchronous JavaScript and XML
AKA, also known as
ALGOL, algorithmic language
Alpha, alphabet
ALU, arithmetic logic unit
AM, amplitude modulation or ante meridiem
AMA, ask me anything
AMOLED, active-matrix organic light-emitting diode
Amp, ampere
ANI, Automatic Number Identification
ANSI, American National Standards Institute
AOP, aspect-oriented programming or auto operator
AOSP, Android Open Source Project
API, application programming interface
APIC, Advanced Programmable Interrupt Controller
APIPA, Automatic Private Internet Protocol Addressing
APK, Android package file
APM, advanced power management
App, application
APT, advanced packaging tool or advanced persistent threat
APU, accelerated processing unit or advanced processing unit
AR, augmented reality
ARCnet, Attached Resource Computer network
A record, address record
Arg, argument alternate reality games or augmented reality games
ARP, Address Resolution Protocol
ARPA, Advanced Research Projects Agency or address and routing parameter area
ARPANET, Advanced Research Projects Agency Network
ARQ, automatic repeat request
AS, autonomous system
AS/400, Application System/400
ASAP, as soon as possible
ASCII, American Standard Code for Information Interchange
ASME, American Society of Mechanical Engineers
ASMR, autonomous sensory meridian response
ASN, autonomous system number
ASN.1, abstract syntax number one
ASP, Active Server Pages application service provider authorized service provider or answer set programming
ASPI, advanced SCSI programming interface
ASR, automated system recovery or automatic speech recognition
AT, advanced technology
ATA, Advanced Technology Attachment
ATAPI, AT Attachment Packet Interface
ATC, advanced transfer cache
ATF, above the fold
ATM, ascynchronous transfer mode at the moment or automated teller machine
ATRAC, Adaptive Transform Acoustic Coding
ATX, Advanced Technology eXtended
AU, arithmetic unit
AUI, Attachment Unit Interface
AUP, acceptable use policy
Auto, automatic automobile or autonomous
AV, antivirus aperture value or avatar
AVC, Advanced Video Coding
AVI, Audio Video Interleaved
AVR, automatic voltage regulator automatic voice recognition or automatic voice response
AWS, Amazon Web Services
B2B, business-to-business
B2B, business-to-consumer
BAE, before anyone else
Basic, Beginners All-purpose Symbolic Instruction Code
BAT, Baby AT
BB, broadband
BBS, BIOS boot specification bulletin board system or be back shortly
BC, before Christ
BCC, blind carbon copy
BCD, binary-coded decimal
BCP, best current practices
BCPL, Basic Combined Programming Language
BD, Blu-ray disc
BDC, backup domain controller
BDF, Glyph Bitmap Distribution Format
BDI, bidirectional isolation
BDO, bidirectional override
BEDO DRAM, Burst EDO DRAM
BER, bit error rate or beyond economical repair
BERT, bit error rate tester or bit error rate test
BF, Battlefield or boy friend
BG, background bad game battleground or big grin
BGA, ball grid array
BGMP, Border Gateway Multicast Protocol
BGP, Border Gateway Protocol
BHO, Browser Helper Object
Bi-di, bidirectional
BIND, Berkeley Internet Name Domain
BIO, biography
BIOS, basic input/output system
BISYNC, BinarySynchronous Communications
Bit, binary digit
BITNET, because it's time network
BIU, bold italic underline
BNC, Bayonet Neill-Concelman
BO, back orifice
BOFH, Bastard Operator From Hell
BOINC, Berkeley Open Infrastructure for Network Computing
BOM, byte order mark bill of materials beginning of message or beginning of medium
Bool, Boolean
BPB, BIOS pattern block
BPDU, Bridge Protocol Data Unit
BPL, broadband-over-powerline
bps, bits per second
Bps, bytes per second
BPSK, biphase shift keying
Br, Break or battle royale
BRI, basic rate interface
Brouter, bridge router
BSB, back-side bus
BSC, Binary Synchronous Communications
BSoD, Blue Screen of Death
BSoD, Black Screen of Death
BSS, basic service set
BTC, bitcoin or Behavior Tech Computers
BTDT, been there done that
BTX, Balanced Technology eXtended
C2, Core 2
CA, certificate authority
Cab, Cabinet file
CAD, computer-aided design
CAP, Competitive Access Provider
CAPS, CapsLock
CAPSLK, CapsLock
CAPTCHA, Completely Automated Public Turing test to tell Computers and Humans Apart
CAS, column address select or column access strobe
CASC, Certificate Authority Security Council
CAT, Central Africa Time
CATV, Cable TV or Community Access Television
CBL, calculator based labs
CBT, computer-based training
CC, carbon copy C compiler Creative Commons or Cursor control
CCC, Catalyst Control Center
CCD, charge-coupled device
CCDE, Cisco Certified Design Expert
CCFL, cold cathode fluorescent lighting
CCIE, Cisco Certified Internetworking Expert
CCITT, Comit Consultatif International Tlphonique et Tlgraphique
CCNA, Cisco Certified Network Associate
CCNP, Cisco Certified Network Professional
CCS, call-control signaling or common command set
CCTV, closed circuit television
CCW, counterclockwise
CD, change directory or compact disc
CDA, Communication Decency Act or compact audio disc
CDDA, compact disc digital audio
CDDB, compact disc database
CDDI, Copper Distributed Data Interface
CDE, Common Desktop Environment
CDfs, Compact Disc file system
CD-i, Compact Disc Interactive
CDMA, Code Division Multiple Access
CDN, content delivery network or content distribution network
CDP, Cache Discovery Protocol Certificate in Data Processing Columbia Data Products content delivery platform content discovery platform or continuous data protection
CD-PROM, Compact Disc-Programmable ROM
CD-R, Compact Disc Recordable
CDRFS, CD-R file system
CD-ROM, Compact Disc Read-Only Memory
CD-ROM XA, CD-ROM extended architecture
CD-RW, Compact Disc Re-Writable
CDSL, Consumer DSL
CD-WO, Compact Disc Write Once
CE, collector's edition cancel entry compact edition or consumer edition
Cell phone, cellular telephone
CentOS, Community Enterprise Operating System
CEO, chief executive officer
CERN, Conseil Europeen pour la Recherche Nuclaire
CERT, Computer Emergency Response Team or certified
Cert, certificate certified or certification
CES, Consumer Electronics Show
CF, CompactFlash
CFPM, cubic feet per minute
CGA, Color Graphics Adapter
CGI, common gateway interface or computer-generated imagery
CH, Computer Hope or College Humor
CHAP, Challenge-Handshake Authentication Protocol
Char, character
chdir, change directory
CHS, cylinder-head-sector
cHTML, compact HTML
CIDR, classless inter-domain routing
CIFS, common Internet file system
CIM, common information model
CIR, committed information rate
CISC, complex instruction set computer
CISSP, certified information systems security professional
CLCC, ceramic leadless lead carrier
CLI, command-line interface
CLNS, connectionless network service
CLOS, Common Lisp object system
CLR, common language runtime
CLSID, class ID
CLUT, color lookup table
CMA, Computer Misuse Act
CMC, computer-mediated communication
CMOS, complementary metal-oxide semiconductor
CMS, content management system
CMYK, cyan magenta yellow black
CNCT, Certified Network Computer Technician
CNE, Certified Novell Engineer
CNR, Communication and Network Riser
CNST, Certified Network Systems Technician
CO, central office
COA, Certificate of Authenticity
COAST, Cache On A STick
COB, close of business chip on board
COBOL, Common Business Oriented Language
Code, source code
Codec, COmpression / DECompression
Coil, electromagnetic coil
COLA, comp.os.linux.announce
COM, Component Object Model or Computer Output Microfilm
COMDEX, Computer Dealers' Exhibition
CompTIA, Computer Technology Industry Association
Con, console confidence or conference
COPPA, Children's Online Privacy Protection Act or California Online Privacy Protection Act
Core, core dump
CPA, cost per action or cost per acquisition
CPAN, comprehensive Perl archive network
CPC, cost per click
CPGA, ceramic pin grid array
CPI, characters per inch
CPL, Combined Programming Language
CPM, cost per thousand or cost per mile
CPS, characters per second
CPTM, cost per targeted thousand
CPU, central processing unit
CR, carriage return
CRC, cyclic redundancy check
CREN, Corporation for Research and Educational Networking
C-RIMM, continuity RIMM
CRL, Certificate Revocation List
CR/LF, carriage return/line feed
CRM, customer relationship management
CRT, cathode ray tube
Crypto, cryptography or cryptocurrency
CS, customer service computer science counter-strike cable select or code segment
CSMA/CD, carrier sense multiple access/collision detection
CSNET, Computer Science Network
CSS, cascading style sheets Content Scramble System chirp spread spectrum
CST, Computer Service Technician
CSU/DSU, Channel Service Unit/Data Service Unit
CSV, comma-separated values
CTA, call to action
CTCP, client-to-client protocol
CTD, crash to desktop
CTF, Capture the Flag
CTO, technology officer or chief technical officer
CTR, click-through rate
Ctrl, Control key
CTS, Clear to Send
CTTY, change teletype
CU, control unit
CUI, character user interface or command-line user interface
CUPS, Common Unix Printing System
Curmbox, Current Mailbox
CUT, Coordinated Universal Time
CVE, Common Vulnerabilities and Exposures
CVS, Concurrent Version System
CWIS, Campus Wide Information System
D2D, disk-to-disk
DAC, digital-to-analog converter or discretionary access control
DACL, discretionary access control list
DAE, digital audio extraction does anyone else
DARPA, Defense Advanced Research Projects Agency
DART, Data Access in Real Time Dynamic Analysis and Replanning Tool or Microsoft Diagnostics and Recovery Toolset
DASD, direct access storage device
DASP, Disk Anti-Shock Protection Drive Active Slave Present or Dynamic Adaptive Speculative Pre-Processor
DAT, Digital Audio Tape
DAW, digital audio workstation
DB, database
DBA, database administrator database analyst decibels adjust or doing business as
DBAN, Darik's Boot and Nuke
DBMS, database management system
DC, direct current domain controller data center or disconnect
DCC, Direct Client-to-Client
DCE, data circuit-terminating equipment data communication equipment Desktop Composting Engine or distributed computing environment
DCIM, digital camera images
DCOM, Distributed Component Object Model
DD, double density or don't die
DDBMS, distributed database management system
DDE, Dynamic Data Exchange
DDK, driver development kit
DDL, data definition language
DDNS, dynamic DNS
DDO, disk drive overlay or Dungeons & Dragons Online
DDoS, Distributed Denial of Service
DDP, Datagram Delivery Protocol
DDR, double data rate dial-on-demand routing or Dance Dance Revolution
DDR2, double data rate two
DDR3, double data rate three
DDR4, double data rate four
DDR SDRAM, double data rate synchronous dynamic random access memory
DDS, Digital Data Storage
DEA, Data Encryption Algorithm
DEC, Digital Equipment Corporation
DES, Data Encryption Standard
DFMC, direct methanol fuel cell
DHCP, Dynamic Host Configuration Protocol
DHTML, dynamic Hypertext Markup Language
DID, direct inward dialing
DIF, Directory Interchange Format
DIME, direct Internet message encapsulation
DIMM, dual in-line memory module
DIP, dual in-line package
DIVX, digital video express
DIX, Digitial Intel and Xerox
DJ, disc jockey
DL, download or down low
D/L, download
DLA, drive letter access
DLC, Data Link Control digital loop carrier or downloadable content
DLL, dynamic-link library
DLNA, Digital Living Network Alliance
DLP, data loss prevention data level parallelism discrete logarithm problem or Digital Light Processing
DLT, digital linear tape
DM, direct message Device Manager or deathmatch
DMA, direct memory access
DMAC, Direct Memory Access Control
DMAR, destination memory address register
DMCA, Digital Millennium Copyright Act
DMI, Desktop Management Interface
DML, data manipulation language
DMTF, Distributed Management Task Force
DMZ, demilitarized zone
DNS, Domain Name System
DOA, dead on arrival
DoCoMo, Do Communications Over Mobile
DOD, Department of Defense
DoS, denial of service
DOS, disk operating system
DoT, damage over time
Double, Double-precision floating-point
DP, DisplayPort
DPI, dots per inch
Dpkg, Debian package manager
DPMI, DOS Protected Mode Interface
DPMS, display power management system
DPS, damage per second
DRAM, dynamic random access memory
DRM, digital rights management
Drop, malware dropper
DRQ, data request
DS, drive select
DSAP, Destination Service Access Point
DSL, digital subscriber line or Damn Small Linux
DSO, data source object
DSP, digital signal processor or drive secondary present
DSR, Dynamic Source Routing or Dell System Restore
DSS, Digital Satellite Service or Digital Signature Standard
DSVD, Digital Simultaneous Voice and Data
DTE, data terminal equipment or data terminating equipment
DTR, Data Terminal Ready
DTS, digital thermal sensor Digital Theater Sound or data transformation services
DTX, discontinuous transmission
DUN, Dial-Up Networking
DUST, did you see that
DUT, device under test
DVD, digital versatile disc
DVI, digital visual interface
DVMT, Dynamic Video Memory Technology
DVR, Digital Video Recorder
Dword, double word
DxDiag, DirectX diagnostics
E-911, Enhanced 911
E3, Electronic Entertainment Expo
EA, Electronic Arts
EAI, enterprise application integration
EAP, Extensible Authentication Protocol
EAP-FAST, Flexible Authentication via Secure Tunneling
EAPROM, Electronically Alterable Programmable Read-Only Memory
Eb / EB, Exabit / Exabyte
EBCDIC, Extended Binary Coded Decimal Interchange Code
E-book, electronic book
ECC, error-correcting code
ECDSA, Elliptic Curve Digital Signature Algorithm
ECHS, extended cylinder-head-sector
ECMA, European Computer Manufacturers Association
ECP, Extended Capabilities Port
EDA, electronic design automation
EDI, electronic data interchange
EDIINT, electronic data interchange-Internet integration
EDO, Extended Data Out
EDP, electronic data processing
EDSAC, Electronic Delay Storage Automatic Calculator
EDVAC, Electronic Discrete Variable Automatic Computer
EEPROM, electrically erasable programmable read-only memory
EFI, Extensible Firmware Interface
EFS, Encrypting File System
EGA, Enhanced Graphics Adapter
eGPU, external graphics processing unit
EHCI, enhanced host controller interface
EHR, Electronic Health Record
EIA, Electronic Industries Alliance
EIDE, enhanced integrated drive electronics
EIGRP, Enhanced Interior Gateway Routing Protocol
EISA, Extended Industry Standard Architecture or Extended ISA
EIST, enhanced Intel SpeedStep technology
ELD, electroluminescent display
E-learning, electronic learning
ELF, extremely low frequency
EM, emphasized
E-mail, electronic mail
EMF, electromotive force or enhanced metafile
EMI, electromagnetic interference
EMM, expanded-memory manager
EMR, Electromagnetic radiation or electronic medical record
EMS, emergency management services or expanded memory specification
ENIAC, Electronic Numerical Integrator and Calculator
EOD, end of day or end of discussion
EOF, end-of-file
EOL, end of life or End-of-Line
EOM, end-of-message
EOP, end-of-page
EOT, End-of-Transmission or end of topic
EOW, end of week
EPD, electronic paper display
EPIC, Electronic Privacy Information Center
EPP, Enhanced Parallel Port
EPROM, Erasable Programmable Read-Only Memory
EPS, encapsulated PostScript
ePUB, electronic publication
EQ, equals equalizer or EverQuest
ESA, Entertainment Software Association
ESCD, Extended System Configuration Data
ESD, electrostatic discharge
ESDI, Enhanced Small Disk Interface
ESI, Enhanced Serial Interface
ESP, e-mail server provider
ESRB, Entertainment Software Rating Board
ETA, estimated time of arrival
ETA-I, Electronic Technicians Association International
ETX, End-of-Text
EULA, End-User License Agreement
Eval, evaluate
EVD, enhanced versatile disc
EV-DO, Evolution-Data Optimized or Evolution-Data Only
EVP, enhanced virus protection
exFAT, Extended File Allocation Table
F, fahrenheit
FAD, functioning as designed
Famicom, family computer
FAQ, frequently asked questions
FAST, Flexible Authentication via Secure Tunneling
FAT, file allocation table
FAU, file allocation unit
Fav, favorite
FB, facebook or frame buffer
FCC, Federal Communications Commission
FCIP, Fibre Channel over IP
FC-PGA, flip-chip pin grid array
FD, floppy drive or file descriptor
FDC, Floppy Disk Controller
FDD, floppy disk drive
FDDI, Fiber Distributed Data Interface
FDHP, Full Duplex Handshaking Protocol
Feat, feature
FF, Firefox fast forward form feed or friends forever
FFA, free for all
FFS, For F***'s Sake freefall sensor
FHD, Full High Definition
FIF, fractal image format
FIFO, first in first out
FiOS, Fiber Optic Service
FIPS, Federal Information Processing Standards
Fixed, fixed-point
FLAC, Free Lossless Audio Codec
Flash, Adobe Flash
Float, floating-point
FLOPS, Floating-Point Operation Per Second
FM, frequency modulation
FMV, full motion video
Fn, function
FNBN, for nerds by nerds
FNEA, full name and e-mail address
FNR, format and restore
FOAD, fu** off and die
FOIA, Freedom of Information Act
FOIRL, fiber-optic inter-repeater links
FOMO, fear of missing out
FORTRAN, Formula Translation
FOSS, free and open-source software
FP, fast page or FrontPage
FPGA, field-programmable gate array
FPM, fast page mode
FPROM, field programmable read-only memory
FPS, frames per second or first-person shooter
FPU, floating-point unit
FQDN, fully qualified domain name
FR, Frame Relay
FRAM, Ferroelectric RAM
FRU, field-replacable unit
FS, file system
FSB, front-side bus
Fsck, file system check
FSM, female seeking male
FSO, free-space optical communication
FSP, File Sharing Protocol
Fstab, file systems table
FSTN, film supertwist nematic
Fstype, file system type
FTAM, file transfer access and management
FTC, Federal Trade Commission
FTP, File Transfer Protocol
FU, fu** you
FUBAR, f***ed up beyond all repair fouled up beyond all recognition or fouled up beyond all repair
FUD, fear uncertainty and doubt
FWH, Firmware Hub
FYI, for your information
G+, Google Plus
G2G, Good to go Got to go or government to government
GA, general availabililty
GaAs, Gallium Arsenide
Gb / GB, gigabit / gigabyte
GBIC, gigabit interface converter
Gbps, Gigabits per second
GCC, GNU Compiler Collection
GCHQ, Government Communications Headquarters
GCR, group code recording
GDDR, graphics double data rate
GDI, Graphics Device Interface
GDPR, General Data Protection Regulation
GE, General Electric or "greater than or equal to"
GEM, Graphics Environment Manager
GF, GeForce
GFM, GitHub Flavored Markdown
GFS, Global File System or Google File System
GHz, Gigahertz
Gib / GiB, gibibit / gibibyte
GIGO, "garbage in garbage out"
GIMP, GNU image manipulation program
GIMPS, great Internet mersenne prime search
GIS, Geographic Information System
GIYF, Google Is Your Friend
GKS, Graphical Kernel System
GM, game masters gold master golden masters good morning or good manners
Gmail, Google Mail
GNU, GNU's Not Unix
Goat, greatest of all time
GPF, general protection fault
GPG, GNU Privacy Guard
GPL, general public license
GPO, Group Policy Object
GPPM, graphic pages per minute
GPRS, General Packet Radio Service
GPS, Global Positioning System
GPT, GUID partition table
GPU, graphics processing unit
Gram, Instagram
Gravatar, globally recognized avatar
GRUB, GRand Unified Bootloader
GSM, Global System for Mobile communication
GT, Greater than or Greenwich Mean Time
GTA, Grand Theft Auto
GTK, GIMP toolkit
GUI, graphical user interface
GUID, globally unique identifier
GWAM, gross words a minute
Gzip, GNU zip
H, height
HACMP, high availability cluster multiprocessing
HAL, hardware abstraction layer
HAN, home area network
HBA, host bus adapter
HCI, human computer interface
HCL, hardware compatibility list
HD, hard drive high-definition or high-density
HDC, hard disk controller
HDCP, High-bandwidth Digital Content Protection
HDD, hard disk drive
HD DVD, High Definition Digital Versatile Disc
HDLC, High-level Data Link Control
HDMI, High-Definition Multimedia Interface
HDML, handheld device markup language
HD-ROM, high-density read-only memory
HDSL, high-bit-rate digital subscriber line
HDTV, high-definition TV
HEIF, High Efficiency Image File format
HES, hypertext editing system
HEVC, high efficiency video coding
HFC, hybrid fiber coax
HFS, hierarchical file system
HGA, Hercules graphics adapter
HID, human interface device
Hiew, hacker's view
Hi-res, high resolution
HIT, human intelligence task
HLL, high-level language
HMA, high-memory area
HMU, hit me up
HOP, half OP
HOPE, hackers on planet Earth
HoT, Heal over Time
HP, Hewlett-Packard or Hit Points
HPA, high-performance addressing or hidden protected area
HPD, hybrid passive display
HPFS, high-performance file system
HPGL, Hewlett Packard Graphic Language
HP-UX, Hewlett Packard UniX
HQ, high-quality
HR, Human Resources
HREF, Hypertext reference
HSB, Hue Saturation and Brightness
HSF, heat sink and fan
HSL, Hue Saturation and Lightness
HSSI, High-Speed Serial Interface
HSYNC, Horizontal Synchronization
HT, Hyper-Threading or HyperTransport
HTML, Hypertext Markup Language
HTML <tr> tag
HTPC, home theater personal computer
HTTP, Hypertext Transfer Protocol
HUD, heads up display
Huh, Have you heard
HW, hardware
Hz, Hertz
IA-32, Intel Architecture 32
IA-64, Intel Architecture 64
IAB, Internet Architecture Board
IAC, In Any Case or Interapplication communications
IAD, integrated access device
IANA, Internet Assigned Numbers Authority
IAP, Internet access provider
IBG, interblock gap
ICA, independent computing architecture or integrated communications adapter
Icacl, Integrity control access control list
ICANN, Internet Corporation for Assigned Names and Numbers
ICCCM, Inter-Client Communication Conventions Manual
ICCP, Institute for Certification of Computer Professionals
ICMP, Internet Control Message Protocol
ICO, icon or Initial Coin Offering
iCOMP, Intel comparative microprocessor performance
ICRA, Internet Content Rating Association
ICS, Internet Connection Sharing
ICT, information and communications technology or International Computers and Tabulators
ICU, instruction cache unit interface converter unit ISA configuration utility or interactive chart utility
IDC, insulation displacement contact or insulation displacement connector
IDE, integrated development environment or integrated device electronics
IDEA, International Data Encryption Algorithm
IDMS, Integrated Database Management System
IDPS, intrusion detection prevention system
IDS, intrusion detection system
IDSL, integrated services digital network digital subscriber line
IE, Internet Explorer
IEC, International Electrotechnical Commision
IEEE, Institute of Electrical and Electronics Engineers
IEN, Internet Experiment Note Internet Engineering Notes or Image-Enabled Netware
IETF, Internet engineering task force
IF, interactive fiction
IFIP, International Federation for Information Processing
IFTF, Interactive Fiction Technology Foundation
IGES, Initial Graphics Exchange Specification
IGMP, Internet Group Management Protocol
IGP, Interior Gateway Protocol
IHA, Intel Hub Architecture
IIL, integrated injection logic
IIS, Internet Information Server
IM, instant message instant messenger or instant messaging
IMAP, Internet Message Access Protocol
IMDb, Internet Movie Database
IMEI, International Mobile Equipment Identity
IMSI, International Mobile Subscriber Identity
INC, incorporated or incoming
INCITS, International Committee for Information Technology Standards
Inetd, Internet service daemon
Info, information
Inode, index node
Int, integer
INTA, INTernational Trademark Association or INTerrupt Acknowledge
INTR, interrupt
I/O, input/output
IOC, input/output controller
IOCCC, Internet Obfuscated C Code Contest
IOPS, input/output operations per second
IOS, Input/Output Supervisor or Internetworking operating system
IP, Internet Protocol ingress protection intellectual property
IPB, illustrated parts breakdown
IPC, interprocess communication instructions per cycle
IPD, interpupillary distance
IPF, invalid page fault
IPL, initial program load
IPng, Internet Protocol next generation
IPOS, input processing output and storage or IP over Satellite
IP Rating, Ingress Protection Rating
IPS, intrusion prevention system
IPsec, Internet Protocol security
IPTO, Information Processing Technology Office
IPTV, Internet Protocol television
IPv4, Internet Protocol version 4
IPv6, Internet Protocol version 6
IPX/SPX, Internetwork Packet Exchange/Sequenced Packet Exchange
IR, infrared or information retrieval
IRC, Internet Relay Chat
IrDA, Infrared Data Association
IRG, interrecord gap
IRGB, Intensity-Red-Green-Blue
IRL, in real-life
IRQ, interrupt request
IS, image stabilization Information Services or Information Systems
ISA, Industry Standard Architecture
ISACA, Information System Audit and Control Association
ISAM, indexed sequential access method
ISAPI, Internet Server Application Programming Interface
ISATAP, Intra-Site Automatic Tunnel Addressing Protocol
ISBN, International Standard Book Number
ISDN, Integrated Services Digital Network
ISIS, Image and Scanner Interface Specification infinitely scalable intelligent storage or integrated software for imagers and spectrometers
ISO, International Organization for Standardization
ISP, Internet service provider
ISV, independent software vendor
IT, information technology
ITC, International Typeface Corporation
ITIL, Information Technology Infrastructure Library
ITU, International Telecommunication Union
ITX, Information Technology eXtended
JAR, Java archive
Java EE, Java Platform Enterprise Edition
JCL, job control language
JDBC, Java Database Connectivity
JDK, Java Development Kit
JEDEC, Joint Electron Device Engineering Council
JHTML, Java within HTML
JIL, Java Intermediate Language or Joint Innovation Lab
JIT, just-in-time
JNI, Java Native Interface
JPEG, Joint Photographic Experts Group
JRE, Java Runtime Environment
JSON, JavaScript Object Notation
JSP, JavaServer Pages
JSR, jump to subroutine
JTAG, Joint Test Action Group
JVM, Java virtual machine
K, kilobit OK
kb / kbit, kilobit
KB, knowledge base
Kbps, kilobits per second
KDE, K Desktop Environment
kHz, kilohertz
KiB, kibibyte
Kib, kibibit
kilo, one thousand
KOS, kill on sight
KVM, keyboard video and mouse or Kernel-based Virtual Machine
L2, level 2 cache
L2P, learn to play
L2TP, Layer 2 Tunneling Protocol
LAME, LAME ain't an MP3 encoder
LAN, local area network
LAPM, Link Access Procedure for Modems
Laser, light amplification by stimulated emission of radiation
LAWN, local area wireless network
LBA, large block addressing
LBS, location-based service
LC, lowercase
LCC, leadless chip carrier
LCD, liquid crystal display
LD, laserdisc
LDAP, Lightweight Directory Access Protocol
LE, Less than or Equal to
LED, light-emitting diode
LED monitor, light-emitting diode
LF, line feed
LFAP, Light-weight Flow Admission Protocol
LFD, Login Failure Daemon
LFG, looking for group
LFM, looking for more
LFN, long file name
LG, Life's Good
LGA, land grid array
LGPL, Lesser General Public License
LH, Loadhigh
LIFO, last in first out
Li-ion, lithium-ion
LILO, Last In Last Out or Linux loader
Li-polymer, lithium-polymer
LIPS, Linear Inferences Per Second or LInux Phone Standard
Lisp, List Processing
LISTSERV, list server
LKGC, last known good configuration
LLC, limited liability company or Logical Link Control
LMK, let me know
LMS, Learning Management System
LNP, local number portability
LOD, level of detail
LOF, loss of frame
LOL, laugh out loud League of Legends lots of love or lots of luck
Lo-res / low-res, low-resolution
LOS, Line of Sight or Loss of signal
LP, long play
LPB, low ping b*^$#
LPD, line printer daemon
LPI, lines per inch
LPM, lines per minute
LPS, Library Programs Service
LPT, line printer terminal
LPWAN, low-power wide-area network
LPX, Low Profile eXtension
LQ, letter-quality
LRC, longitudinal redundancy check
LRDIMM, load-reduced dual inline memory module
LRU, line replaceable unit or least recently used
LSB, least significant bit
LSC, least significant character
LSD, least significant digit
LSP, Layered Service Provider or link state packet
LTE, Long-Term Evolution
LU, logic unit or logical unit
Luser, Local user
lvl, level
LZ or Lzone, Landing Zone
M-, meta key
MAC, media access control or Macintosh
Macro, macroinstruction
MAE, Metropolitan Area Ethernet
mAH, milliamp hour
MAN, manual or metropolitan area network
MAPI, Message Application Programming Interface
MAPS, Mail Abuse Prevention Systems
MAR, memory address register
Matlab, matrix laboratory
Matrix, Matrix code
MAU, media access unit
Max, maximize or maximum
mb, motherboard
Mb, megabit
MB, megabyte
MBAM, Malwarebytes
MBean, Managed Beans
MBL, microcomputer-based labs
Mbps, megabits per second
MBps, megabytes per second
MBR, master boot record
MC, megacycle
MCA, Micro Channel Architecture
MCGA, memory controller gate array or multicolor graphics array
MCITP, Microsoft Certified IT Professional
MCSA, Microsoft Certified Systems Administrator
MCSE, Microsoft Certified System Engineer
MDA, Monochrome Display Adapter
MDBMS, Multidimensional Database Management System
MDC, modification detection code
MDF, main distribution frame
MDI, multiple-document interface
MDRAM, Multibank DRAM
Memo, memorandum
MFA, multi-factor authentication
Mflop, megaflop
MFM, Modified Frequency Modulation
MFP, multifunction printer
MFT, Master File Table
Mget, multiple get
MHz, megahertz
Mib, mebibit
MiB, mebibyte
MIB, management information base
MICR, magnetic ink character recognition
Microsoft MVP, Microsoft Most Valuable Professional
MIDI, Musical Instrument Digital Interface
MIME, Multipurpose Internet Mail Extension
MIMO, multiple-input multiple-output
Min, minimum
MIN, mobile identification number
MIPS, millions of instructions per second
MIR, mail in rebate
MIS, management information system
MIT, Massachusetts Institute of Technology
MITMA, man-in-the-middle attack
Mkdir, make directory
MMC, MultiMediaCard or Microsoft Management Console
MMI, man machine interface
MMORPG, massively multiplayer online role playing game
MMS, Multimedia Message Service
MMU, memory management unit
MMX, MultiMedia eXtension
MNP, Microcom Network Protocol
Moblog, mobile blog
Mod, modulo
Model no., model number
Modem, modulator/demodulator
MO diskette, magneto-optical diskette
Mofo, Mozilla Foundation
MOS, metal-oxide-semiconductor
MOSFET, metal-oxide semiconductor field-effect transistor
MOTD, message of the day
MOV, Metal Oxide Varistor
MPAA, Motion Picture Association of America
MPC, Multimedia Personal Computer
MPEG, Moving Picture Experts Group
MPI, message passing interface
MPLS, Multiprotocol Label Switching
MPP, massively parallel processing
Mput, multiple put
MRP, Materials Requirement Planning
MRU, Maximum Receive Unit
MRUD, Most Recently Used Directory
MS, millisecond Microsoft or memory stick
MSC, Most Significant Character
MSCS, Microsoft Cluster Server
MSD, Microsoft Diagnostics or Most Significant Digit
MSDN, Microsoft Developer Network
MS-DOS, Microsoft Disk Operating System
MSDS, material safety data sheet
MSE, Microsoft Security Essentials
MSF, male seeking female
MSN, The Microsoft Network
MSP, Management Service Provider
MSRP, Manufacturer's Suggested Retail Price
MSVC, Microsoft Visual C++
MT, Moluccas or mistell
MTA, mail transfer agent or message transfer agent
MTBF, mean time between failure
MTU, maximum transmission unit
MUD, multi-user dungeon
MUI, multi-user interface
MUT, Mauritius Time or MultiUser Talk
Mutex, mutual exclusion object
MVNO, mobile virtual network operator
MVP, most valuable player
MVS, multiple virtual storage
MX record, Mail eXchange record
N/A, not applicable or not available
NA, North American not applicable or not available
NAK, negative acknowledgment
NaN, not a number
NAS, network access server or network-attached storage
NAT, Network Address Translation
NCP, NetWare Core Protocol or Network Control Protocol
NCSA, National Center for Supercomputing Applications
NCSC, National Cybersecurity Center
NDA, non-disclosure agreement
NDAS, Network Direct Attached Storage
NDIS, network driver interface specification
NDR, non-destructive readout network data representation or non-active dormant to be removed
NDRO, non-destructive readout
ne, not equal
NEC, Nippon Electronics Company or National Electrical Code
NEM, New Economic Movement
Net, network
NetBEUI, NetBIOS Enhanced User Interface
NetBIOS, Network Basic Input/Output System
NFC, near-field communication
NFR, Not For Resell
NFS, network file system
NG, newsgroup
NGL, not gonna lie
NIC, network interface card
NIDS, network intrusion detection system
NII, National Information Infrastructure
NiMH, nickel-metal hydride
Nimrod, National Institute Machine Radiating On Downs
NIP, non-impact printer
NIT, Network Information Table or Network Interface Tap
NLP, natural language processing
NLQ, near letter-quality
NLS, online system
NLX, New Low Profile Extended
nm, nanometer
NMI, nonmaskable interrupt
NMS, network management system
NN, NOT NULL
NNTP, Network News Transfer Protocol
NOBUS, Nobody But Us
NO-OP, no operatation
NOR, Not-Or
NOS, network operating system
NPAPI, Netscape Plugin Application Programming Interface
NPC, non-playable character non-printing character or NP-Complete
NRZ, non-return-to-zero
ns, nanosecond nice shot or not sure
NSAP, Network Service Access Point
NSFNET, National Science Foundation Network
NSP, Name Server Protocol network service provider or news service provider
NSPA, Network Service Point Address
NSSN, National Standards Systems Network
NTFS, NTFS file system
NTLDR, NT loader
NTP, Network Time Protocol
NTSC, National Television System Committee
NTWY, noteworthy
NUC, Next Unit of Computing
Num, number
NVRAM, non-volatile random-access memory
NWAM, Network Auto Magic
OA, office automation
OBJ, object
OC, optical carrier or overclock
OCR, optical character recognition or optical character reader
OCTAVE, operationally critical threat asset and vulnerability evaluation
ODBC, Open Database Connectivity
ODI, Open Data-Link Interface
ODP, OverDrive Processor
ODPR, OverDrive Processor Replacement
OEM, original equipment manufacturer
OHCI, Open Host Controller Inferface
OID, object identifier
OIN, Open Invention Network
OLAP, online analytical processing
OLE, Object Linking and Embedding or OnLine English
OLED, organic light-emitting diode
OLPC, one laptop per child
OLTP, online transaction processing
OMR, optical mark reading
OO, object-oriented or OpenOffice
OOF, out of office
OOP, object-oriented programming
OP, operation operator opinion original poster or overpowered
Open, open source
OpenAL, Open Audio Library
OpenGL, Open Graphics Library
OR, OR operator or operation research
OS, operating system
OSD, on-screen display object-based storage device or open source definition
OSF, Open Software Foundation
OSHA, Occupational Safety and Health Administration
OSI, Open Systems Interconnection or Open-Source Initiative
OSK, on-screen keyboard
OSPF, open shortest path first
OSRI, operating system reinstall
OSS, open-source software or operations support systems
OTP, on the phone one-time password or one-time programmable
OVR, overtype mode
P2W, pay-to-win
PaaS, Platform as a Service
PAD, packet assembler/disassembler
PAE, Physical Address Extension
PARC, Palo Alto Research Center
Parm, parameter
PATA, Parallel AT Attachment
Pb, petabit
PB, Packard Bell or petabyte
PBX, private branch extension or private branch exchange
PC, personal computer or player character
PCB, printed circuit board
PC-DOS, Personal Computer Disk operating system
PCI, Peripheral Component Interconnect
PCIe, PCI Express
PCI-X, Peripheral Component Interconnect Extended
PCL, printer command language
PCM, pulse-code modulation
PCMCIA, Personal Computer Memory Card International Association
P-code, pseudocode or packed code
PCS, personal communications service
PDA, personal digital assistant
PDC, Primary Domain Controller
PDF, Portable Document Format or Package Definition File
PDL, page-description layer
PDoS, permanent denial-of-service
PDP, Programmed Data Processor
PDU, protocol data unit
PEAR, PHP Extension and Application Repository
PEGI, Pan-European game information
PEP, Packet Ensemble Protocol
Permalink, permanent link
PET, Personal Electronic Transactor
PGA, pin grid array Professional Graphics Adapter or Professional Golf Association
Pg Dn, page down
PGP, Pretty Good Privacy
Pg Up, page up
PHP, PHP: Hypertext Preprocessor
Pic, picture
PICNIC, problem in chair not in computer
PICO, PIne COmposer
PICS, Platform for Internet Content Selection
PID, process identifier or product identification
PIF, program information file
PII, Pentium 2 or personally identifiable information
PIIX, PCI IDE Xcelerator
PIM, personal information management or Protocol Independent Multicast
PIN, personal identification number
PIO, programmed input/output
PL, power leveling
PLCC, plastic leaded chip carrier
PLED, Power LED
Plus, Microsoft Plus!
PM, private message personal message power management Presentation Manager preventive maintenance post meridiem or polarization maintaining
P-machine, pseudomachine
PMF, polarization maintaining fiber
PMS, Pantone Matching System
PN, part number
PNG, Portable Network Graphics
PnP, Plug and Play or party and play
POD, plain old documentation or print on demand
POE, point of entry or Power over Ethernet
POP, Post Office Protocol or point of pressence
PoS, Proof-of-Stake
POS, packet over SONET parent over shoulder piece of s#!^ or point of sale
POSIX, Portable operating system interface for Unix
POST, power-on self-text
POTS, plain old telephone system
POV, point of view
PoW, Proof-of-Work
PPC, pay per click
PPGA, Plastic Pin Grid Array
PPI, pixels per inch
PPM, pages per minute or Perl package manager
PPP, Point-to-Point Protocol
PPPoE, Point-to-Point Protocol over Ethernet
PPS, Privacy Policy Statement
PPT or PP, PowerPoint
PPTP, Point-to-Point Tunnel Protocol
PR, Pagerank or press release
PRAM, Parameter RAM
Printf, print formatted
PRISM, Planning Tool for Resource Integration Synchronization and Management
Privmsg, Private Message
PRN, printer
Proglog, progress log
Prolog, Programming in Logic
PROM, programmable read-only memory
PrtScrn or Prt Scrn, Print Screen key
PS, power supply PowerShell or print screen
PS/2, Personal System/2
PS2, PlayStation 2
PS3, PlayStation 3
PS4, PlayStation 4
PSAT, Preliminary Scholastic Assessment Test
PSD, Photoshop Document
PSoC, programmable system on a chip
PSP, PlayStation Portable Python Server Pages Paint Shop Pro
PSR, Problem Steps Recorder
PST, Pacific Standard Time please send tell Personal Store
PSTN, public switched telephone network
PSU, power supply unit
PTR, Public Test Realm
PTS, pseudoterminal slave
PTY, pseudoterminal
PU, physical unit
PUBG, PlayerUnknown's Battlegrounds
PUG, pickup group
PVE, Player vs. Environment
PVP, Player vs. Player
PVR, personal video recorder
PW, password
PWA, progressive web application
PWD, print working directory or password
PWS, Personal Web Server
Px, pixel
PXE, preboot execution environment
PXI, PCI extensions for instrumentation
Q&A, questions and answers
QA, quality assurance
QAM, quadrature amplitude modulation
QBE, query by example
QHD, Quad High Definition
QIC, quarter-inch cartridge
QLED, quantum-dot light emitting diode
QMAC, Quad Media Access Controller
QnA, questions and answers
QoS, quality of service
QPSK, quadrature phase shift keying
QR Code, Quick Response Code
QSXGA, Quad Super Extended Graphics Array
RAD, rapid application development
RADIUS, Remote Authentication Dial-in User Service
RADSL, rate-adaptive DSL
RAID, redundant array of independent disks
RAM, random access memory
RAMAC, random-access method of accounting and control
RAP, Route Access Protocol
RAR, Roshal Archive
RARP, Reverse Address Resolution Protocol
RAS, remote access server Remote Access Service row address select or row access strobe
RAT, Remote Access Trojan
RBAC, role-based access control
RBL, real-time blackhole list
RC, release candidate remote connection remote control or run commands
RCE, Remote Code Execution Reverse Code Engineering or Regional Coding Enhancement
RCS, revision control system
RDBMS, relational database management system
RDF, Resource Description Framework
RDMS, report distribution management system
RDP, Remote Desktop Protocol
RDRAM, Rambus Dynamic Random Access Memory
Rec., receive
REC, Record
ReFS, Resilient File System
Regex, regular expression
Rel, release
REM, remark
REPL, read-eval-print loop
RF, radio frequency
RFC, Request for Comments
RFI, Radio Frequency Interference request for information
RFID, radio frequency identification
RF shielding, radio frequency shielding
RGB, red-green-blue
RHCE, Red Hat Certified Engineer
RIAA, Recording Industry Association of America
RIP, raster image processor raster image process or Routing Information Protocol
RIPE notes, Reseaux IP Europeens notes
RISC, reduced instruction set computer
RJ-45, Registered Jack-45
RL, real-life
RLE, run-length encoding
RLL encoding, run-length limited encoding
RLP, resource location protocol
RMA, return materials authorization
RMS, root mean square
ROM, read-only memory
ROM BIOS, read-only memory basic input/output system
RO terminal, read-only terminal
RPC, remote procedure call
RPG, role playing game report program generator or raster pattern generator
RPM, revolutions per minute or Red Hat Package Manager
RRAS, routing and remote access service
RRD, removable rigid disk
RS-449, Recommended Standard-449
RSAC, Recreational Software Advisory Council
RSAT, remote server administration tools or regulatory sequence analysis tools
RSL, Rambus signaling level
RSS, Really Simple Syndication or Relay Spam Stopper
RT, real-time or retweet
RTC, real-time clock
RTDM, read the damn manual
RTF, Rich Text Format
RTFM, read the f****** manual
RTOS, Real-time Operating System
RTR, RARE technical report
RTS, real-time strategy or Request to Send
RTSP, Real Time Streaming Protocol
RTTTL, Ringing Tone Text Transfer Language
RUT, are you there?
RVR, realm vs. realm
RWD, responsive web design
RXD, received data
S2R, send to receive
SaaS, Software as a Service
SACD, Super Audio CD
SAN, storage area network
SANE, Standard Apple Numeric Environment or Scanner Access Now Easy
SAP, Service Advertising Protocol or Session Announcement Protocol
SAS, Serial Attached SCSI or Standalone Server
SATA, Serial AT Attachment
SATAN, Security Administrator Tool for Analyzing Networks
SBE, Small Business Edition
SC, Service Controller StarCraft or Supercomputing Conference
SCA, Single Connector Attachment
Scanf, scan formatted
SCC, Serial Communications Controller or shipping container code
SCCM, system center configuration manager
SCOM, System Center Operations Manager
ScrLk, Scroll Lock key
SCSI, small computer system interface
SD, Secure Digital single-sided diskette single-density diskette or standard definition
SDDL, Security Descriptor Definition Language
SDHC card, Secure Digital High Capacity card
SDK, software development kit
SDLC, synchronous data link control or systems development life cycle
SDLT, super digital linear tape
SDRAM, synchronous DRAM
SDSL, symmetrical DSL
SDU, service data unit
SE, search engine or second edition
SEA, self-extracting archive
SECC, single edge contact cartridge
SELinux, Security-Enhanced Linux
SEO, search engine optimization
Serial no., serial number
SERP, search engine results page
Servlet, Java servlet
SETI, Search for Extraterrestrial Intelligence
Setuid, set user ID on execution
Sexp or sexpr, s-expression
SFF, small form factor
SFTP, Secure File Transfer Protocol or SSH File Transfer Protocol
SFW, safe for work
SFX, special effects or sound effects
SGD, speech-generating device
SGML, Standard Generalized Markup Language
SHV connector, safe high-voltage connector
Sig, signature
SIGINT, signal interrupt or Signals Intelligence
Sim, simulation
SIM card, Subscriber Identity Module card
SIMD, single instruction multiple data
SIMM, single inline memory module
SIO, super input/output
SIP, single in-line package
SLA, sealed lead-acid or service-level agreement
SLI, Scalable Link Interface
SLIP, Serial Line Internet Protocol
Slogin, secure login
Slotket, socket adapter
SLSI, super-large scale integration
SMAR, source memory address register
SMART, Self-Monitoring Analysis and Reporting Technology
SMB, server message block system management bus or Super Mario Bros.
SMBus, System Management Bus
SM card, SmartMedia card
SMI, System Management Interrupt or Simple Mail Interface
SMIL, Synchronized Multimedia Integration Language
SMM, System Management Mode
SMP, symmetric multiprocessing
SMPS, switched-mode power supply
SMRAM, System Management RAM
SMS, short message service storage management subsystem or system management server
SMT, Surface-mount Technology
SMTP, Simple Mail Transfer Protocol
SNA, Systems Network Architecture
SNMP, Simple Network Management Protocol
SOA, service-oriented architecture or start of authority
SOAP, Simple Object Access Protocol
SoC, system on a chip
SO-DIMM, small outline dual in-line memory module
SOHO, small office/home office
SOI, silicon on insulator
SOL, Solitaire s*** out of luck
SONET, synchronous optical networking
SOP, super operator or standard operating procedure
Source, source code
SP, service pack or spelling
SPARC, Scalar Processor Architecture
SPD, Serial Presence Detection
S/PDIF, Sony and Phillips Digital Interconnect Format
Spec, specification
SPI, serial peripheral interface stateful packet inspection or system packet interface
SPIM, spam over instant message
Spit, Spam over Internet Telephony
SPL, systems programming language
splogs, spam blogs
Spool, simultaneous peripheral operatings online
SPP, Standard Parallel Port
SPS, Standard Power Supply
SQL, Structured Query Language
SRAM, static random access memory
SS, screenshot South Sudan
SSAP, Source Service Access Point
SSD, solid-state drive
SSE, Simple Sharing Extension or Streaming SIMD Extensions
SSEM, Small Scale Experimental Machine
SSI, Server Side Include or small-scale integration
SSID, service set identifier
SSL, Secure Sockets Layer
SSL, Space Sciences Laboratory UC Berkeley
SSP, storage service provider or System support program
SSR, solid-state relay
SSTP, Secure Socket Tunneling Protocol
Stdin, standard input
STM, Synchronous Transport Module
STN, supertwisted nematic
STP, Spanning Tree Protocol shielded twisted pair or software test plan
STR, Suspend-to-RAM or send to receive
STS, synchronous transport signal
Sub, subscript
Subnet, subnetwork mask
SUID, set user ID
Sup, superscript
SVCD, Super Video CD
SVGA, Super Video Graphics Array
S-Video, Super Video
SW, software
SXGA, Super Extended Graphics Array
SXGA+, Super XGA Plus
SYN, synchronize
sync, synchronize
synth, synthesizer
sysgen, system generation
syslog, system log
sysop, system operator
sysrq, system request
TA, terminal adapter
Ta, Tantalum
TACACS, Terminal Access Controller Access Control System
TAPI, Telephony Application Programming Interface
TAR, tape archive
TCO, total cost of ownership
TCPA, Trusted Computer Platform Alliance
TCP/IP, Transmission Control Protocol/Internet Protocol
TD, table data
TDD, telecommunications device for the deaf
TDM, team deathmatch
TDP, thermal design power or thermal design point
Tech, technology
Telco line, telecommunications line
TERA, The Exiled Ream of Arborea
TET, text enhancement technology
Texel, texture element
TFS, Team Foundation Server or three-finger salute
TFTP, Trivial File Transfer Protocol
TH, table head
THD, total harmonic distortion
Ti, Tebi Titanium or Textas Instruments
TIFF, Tagged Image File Format
TIGA, Texas Instruments Graphics Architecture
Tk, toolkit
T&L, transform clipping and lighting
TLD, top-level domain
TLP, thread-level parallelism
TLS, Transport Layer Security
TM, trademark
TN, twisted nematic
TOF, top of file
TOPS, transparent operating system
Tor, The Onion Router
TOS, tape operating system teacher over shoulder terms of service terms of use or type of service
TPI, tracks per inch
TPM, Trusted Platform Module
TP-PMD, Twisted-Pair Physical Medium Dependant
TR, technical report
Transistor, transfer resistance
Triple DEA, Tripple Data Encryption Algorithm
TRS, Tandy Radio Shack or Telecommunications Relay Service
TSR, terminate-and-stay-resident
TT, Turing test
TTFB, time to first byte
TTL, time to live or transistor-transistor logic
TTS, text-to-speech
TTY, teletypewriter or teletype
TV, television
TXD, trasmit data
UA, user agent
UAC, User Account Control
Uarch, microarchitecture
UART, Universal Asynchronous Receiver-Transmitter
UBCD, Ultimate Boot CD
UC, uppercase
UCE, unsolicited commercial e-mail
UDF, Universal Disk Format user-defined font or user-defined function
UDID, Unique Device Identification
UDIMM, unbuffered dual inline memory module
UDMA, Ultra Direct Memory Access
UDP, User Datagram Protocol
UDSL, unidirectional DSL
UEFI, Unified Extensible Firmware Interface
UHCI, Universal Host Controller Interface
UHD, Ultra High Definition
UI, user interface
U/L, upload
UL, upload uplink or Underwriters Laboratories
UL, unordered list
ULSI, Ultra Large Scale Integration
UMA, Upper Memory Area
UMB, upper memory block
UNC, Uniform Naming Convention or Universal Naming Convention
UNIVAC, Universal Automatic Computer
UPC, universal product code
UPI, User Program Interface
UPnP, Universal Plug and Play
UPS, uninterruptible power supply or United Parcel Service
URC, Uniform Resource Characteristic
URI, Uniform Resource Identifier
URL, Uniform Resource Locator
URN, Uniform Resource Name
USB, universal serial bus
USMT, User State Migration Tool
USP, unique selling point
USR, user or U.S. Robotics
USRT, Universal Synchronous Receiver-Transmitter
USWC, uncachable speculative write combining
UT, Universal Time
UTC, Coordinated Universal Time
UTF, Unicode Transformation Format
UTM, Unified Threat Management universal Turing machine Urchin Tracking Module
UTP, unshielded twisted pair cable
Uuencode, Unix-to-Unix encode
UUID, universal unique identifier
UV, ultraviolet
UWIN, University of Washington Information Navigator
UX, user experience
UXGA, Ultra Extended Graphics Array
VA, virtual address
VAC, Valve Anti-Cheat
VADSL, very high bit rate asymmetric digital subscriber line
VAN, value-added network
VAR, value-added reseller
VB, Visual Basic
VBR, variable bitrate or volume boot record
VBScript, Microsoft Visual Basic Scripting Edition
VBV, video buffering verifier
VC, venture capital videoconferencing virtual circuit or version control
VCEG, Video Coding Experts Group or Visual Coding Experts Group
VCI, virtual circuit identifier
VCPI, virtual control program interface
VCR, video cassette recorder
VDC, voltage direct current or video display controller
VDD, virtual device driver virtual disk drive
VDSL, very high data rate DSL
VDU, visual display unit or video display unit
Ver, Version
Veronica, Very Easy Rodent-Oriented Net-wide Index to Computer Archives
VESA, Video Electronics Standard Association
VGA, Video Graphics Array or Video Graphics Adapter
VHDL, VHSIC Hardware Description Language 
VHF, very high frequency
Vhost, virtual host
VHS, Video Home System
VIM, Vendor Independent Messaging
VIP, very important person
VLAN, virtual local area network
VLB, Vesa Local Bus
VL Bus, Vesa Local Bus
VLC, VideoLAN
VLSI, very-large-scale integration
VM, virtual machine virtual memory or voicemail
VMEbus, Versa Module Eurocard bus
VMM, Virtual Machine Manager or Virtual Machine Monitor
VMS, virtual memory system or voicemail system
VNC, Virtual Network Computing
VOD, video on demand
VoIP, Voice over Internet Protocol
VoMM, eVade o' Matic Module
VPN, virtual private network
VPS, virtual private server
VR, virtual reality
VRAM, video random access memory
VRLA, valve-regulated lead-acid
VRM, voltage regulator module
VRML, Virtual Reality Modeling Language
Vs, versus or Visual Studio
VSAM, virtual storage access method or virtual storage access memory
VTuber, Virtual YouTuber
W3C, World Wide Web Consortium
WAIS, Wide Area Information Server
WAN, wide area network
WAP, Wireless Application Protocol or wireless access point
WARP, Warning Advice and Reporting Point
WBEM, Web-based Enterprise Management
WCDMA, Wideband Code Division Multiple Access
WCN, Windows Connect Now
WD, Western Digital working directory or working draft
WDF, Window Driver Foundation or Windows Driver Frameworks
Web app, web application
WEP, Wired Equivalent Privacy
WFM, Wired for Management
WFP, Windows File Protection
WGA, Windows Genuine Advantage
WiMAX, Worldwide Interoperability for Microwave Access
Windows PE, Windows Pre-install Environment
Winsock, Windows socket
WISP, wireless Internet service provider
WMF, Windows metafile format or Wikimedia Foundation
WMI, Windows Management Instrumentation
WML, Wireless Markup Language or Website META Language
WOL, Wake-on-LAN
WOTD, word of the day
WOW, Windows on Windows or World of Warcraft
WP, word processor or WordPress
Wpcomp, write pre-comp or word processing competency
WQXGA, Wide Quad Extended Graphics Array
WRAM, Windows RAM
WSXGA, Widescreen Super eXtended Graphics Array
WTF, what the f***
WTH, what the hell
WWW, World Wide Web
WYSIWYG, what you see is what you get
WYSIWYP, what you see is what you print
X, X Window System
X11, X Window System
XDF, extended density format
XGA, Extended Graphics Array
XHTML, Extensible Hypertext markup Language
XML, Extensible Markup Language
XMPP, Extensible Messaging and Presence Protocol
XMS, extended memory specification
XPM, XP mode
XSL, Extensible Stylesheet Language
XSLT, Extensible Stylesheet Language Transformations
XSS, cross-site scripting
XT, extended technology
Y2K, year 2000
YAML, YAML Ain't Markup Language
YAUN, yet another Unix nerd
YT, you there or YouTube
ZB, zettabyte
ZCS, Zimbra Collaboration Suite
ZiB, zebibyte
ZIF, zero insertion force
ZIP, Zone Information Protocol or Zoning Improvement Plan
ZIPI, Zeta Instruments Processor Interface
ZV port, zoomed video port