Abbr,Term
1NF,First Normal Form
2.5D,Two-And-A-Half-Dimensional
286,Intel 80286 processor
2B1Q,2 Binary 1 Quaternary
2FA,Two-factor authentication
2GL,Second-Generation Programming Language
2KB,"2,000 Bytes"
2NF,Second Normal Form
386,Intel 80386 processor
3DCG,Three-Dimensional Computer Graphics
3DS,"Nintendo 3DS or 3 Dual Screen"
3GL,Third-Generation Programming Language
3GPP,3rd Generation Partnership Project
3LS,3rd Level Support
3NF,Third Normal Form
3PV,Peak Player Production Values
486,Intel 80486 processor
4B5BLF,4 Byte 5 Byte Local Fiber
4G,Fourth Generation
4GL,Fourth-generation Programming Language
4NF,Fourth Normal Form
5GL,Fifth-Generation Programming Language
5NL,Fifth Normal Form
6NF,Sixth Normal Form
802.11,Wireless LAN
8B10BLF,8 Byte 10 Byte Local Fiber
A11Y,Accessibility
AAA,"Authentication,Authorization,Accounting"
AABB,Axis Aligned Bounding Box
AAC,Advanced Audio Coding
AAI,Applied Artificial Intelligence
AAM,Automatic Acoustic Management
AAS,as a service
AAS,Auto Area Segmentation
ABC,Atanasoff-Berry Computer
ABIOS,Advanced BIOS
ABP,AdBlock Plus
AC,Alternating Current
ACCT,Account
ACE,Access Control Entry
ACID,"Atomicity, Consistency, Isolation, Durability"
Ack,Acknowledgement
ACL,Access Control list
ACL,Access Control List
ACPI,Advanced Configuration and Power Interface
ACR,Absolute Cell Reference
ADatP,Automated Data Processing
ADC,Analog-to-Digital Converter
ADF,Automatic Document Feeder
ADSL,Asymmetric Digital Subscriber Line
AFP,Apple Filing Protocol
AGP,Accelerated Graphics Port
AIFF,Audio Interchange File Format
ALU,Arithmetic Logic Unit
ANSI,American National Standards Institute
API,Application Programming Interface
APU,Accelerated Processing Unit
ARP,Address Resolution Protocol
ASCII,American Standard Code for Information Interchange
ASP,Application Service Provider
ATM,Asynchronous Transfer Mode
ATX,Advanced Technology eXtended (a form factor for motherboards and power supplies)
AVR,Audio/Video Receiver
AWS,Amazon Web Services
Bash,Bourne-Again Shell
BASIC,Beginner's All-purpose Symbolic Instruction Code
BCC,Blind Carbon Copy
BGP,Border Gateway Protocol
BIOS,Basic Input/Output System
BLE,Bluetooth Low Energy
BLOB,Binary Large OBject
BMP,Bitmap
BSOD,Blue Screen of Death
BTX,Balanced Technology eXtended (a form factor for personal computer motherboards)
BYOA,Bring Your Own Apps
BYOC,Bring Your Own Cloud
BYOE,Bring Your Own Encryption
BYOI,Bring Your Own Identity
BYON,Bring Your Own Network
CAD,Computer-Aided Design
CAN,Campus Area Network
CD,Compact Disc
CGDC,Computer Game Developers Conference (became GDC in 1998)
CGF,Computer-Generated Forces (Simulation)
CGM,Computer Graphics Metafile
CHI,Computer-Human Interaction
CLI,Command Line Interface/Interpreter
CLOB,Character Large OBject
CLOS,Common Lisp Object System
CMIS,Content Management Interoperability Services
CMOS,Complementary Metal–Oxide–Semiconductor
CMS,Cisco Meeting Server
CNO,Computer Network Operations
Codec,"Coder-Decoder / Compressor-Decompressor / Compression-Decompression algorithm"
COLA,"comp.os.linux.announce"
CORBA,Common Object Request Broker Architecture
CPU,Central Processing Unit
CSS,Cascading Style Sheets
CSV,Comma Separated Values (file format)
CVS,Concurrent Versions System
DAB,Digital Audio Broadcasting
DB,Database
DBCS,Double Byte Character Set
DCCP,Datagram Congestion Control Protocol
DCIM,Digital Camera Images
DCOP,Desktop Communication Protocol
DDA,"Digital Differential Analyzer (graphics algorithm), or Digital Differential Analyzer"
DDD,"Data Display Debugger or Digital Digital Digital (CD mastering)"
DDL,"Digital Data Link or Data Definition Language"
DDoS,Distributed Denial of Service
DECT,Digital European Cordless Telephone
DIF,Data Interchange Format
DIMM,Dual In-line Memory Module 
DLL,Dynamic Link Library
DMI,Desktop Management Interface 
DMOS,Double Diffused MOS transistor
DOI,Digital Object Identifier
DOS,"Denial of Service,or Disk Operating System"
DRAM,Dynamic Random Access Memory 
DRM,Digital Rights Management
DSP,Digital Signal Processing
DVD,"Digital Versatile Disk (was Digital Video Disk)"
EBCDIC,Extended Binary Coded Decimal Interchange Code
ECC,"Elliptic Curve Cryptography or Error-Correcting Code"
EOF,End of File
EULA,End-User License Agreement 
FAT,File Allocation Table
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 (Web browser)"
FFT,Fast Fourier Transformation
FIFO,"First In, First Out"
FILO,"First In, Last Out (see also LIFO)"
FIPS,Federal Information Processing Standards
FLAC,Free Lossless Audio Codec
FLOPS,Floating-Point Operations Per Second
FM,Frequency Modulation
FMV,Full Motion Video
FNBN,For Nerds By Nerds
FNEA,Full Name and E-mail Address
FNR,Format and Restore
FOAD,Fuck Off And Die
FOIA,Freedom of Information Act
FOIRL,Fiber-Optic Inter-Repeater Links
FORTRAN,The IBM Mathematical FORmula TRANslating System (programming language)
FOSS,Free and Open-Source Software
FOV,Field Of View
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
FTP,File Transfer Protocol
GBIC,Gigabit Interface Converter
Gbps,Gigabits per second
GCC,GNU Compiler Collection
GDDR,Graphics Double Data Rate
GDI,Graphics Device Interface
GDPR,General Data Protection Regulation
GEM,Graphics Environment Manager
GEOS,Graphical Environment Operating System
GFDL,GNU Free Documentation License
GFS,"Global File System or Google File System"
GIF,Graphics Interchange Format
GIGO,Garbage In Garbage Out
GIMP,GNU Image Manipulation Program
GIMPS,Great Internet Mersenne Prime Search
GIS,"Geographic Information System, or Google Image Search"
GIYF,Google Is Your Friend
GKS,Graphical Kernel System
GLUT,OpenGL Utility Toolkit
Gmail,Google Mail
GML,"Generalized Markup Language,Geography Markup Language,Game Maker Language,Graph Modelling Language,Graphical Motion Language,GUI Markup Language"
GNOME,GNU Network Object Model Environment
GNU,GNU's Not Unix
GPF,General Protection Fault
GPG,GNU Privacy Guard
GPL,GNU General Public License
GPMP,General Purpose Macro Processor
GPT,GUID Partition Table
GPU,Graphics Processing Unit
GTA,Grand Theft Auto (computer game)
GUI,Graphical User Interface
GXA,Global XML Web Services Architecture
GXF,General Exchange Format
GXL,Graph eXchange Language
HBCI,Home Banking Computer Interface
HCI,Human-Computer Interaction/Interface
HDD,"Hard Disk Drive, or High-Density Disk"
HDMI,High Definition Multimedia Interface
HDR,Hard disk recorder
HDTV,High-Definition Television
HMM,Hidden Markov Model
IDE,Integrated Development Environment
IoT,Internet of Things
IP,Internet Protocol
IRC,Internet Relay Chat
ISP,Internet Service Provider
IT,Information Technology
JFET,Junction Field-Effect Transistor 
L2TP,Layer 2 Tunneling Protocol
LAN,Local Area Network
LCD,Liquid Crystal Display
LDMOS,Laterally Diffused MOS transistor 
LLVM,Compiler Infrastructure (Low Level Virtual Machine)
MSDOS,Microsoft Disk Operating System
NIC,Network Interface Card
PC,Personal Computer
PR,Problem Report
RAM,Random Access Memory
RDP,Remote Desktop Protocol
SSD,Solid-State Drive
SWAT,Samba Web Administration Tool
SWF,Shockwave Flash file
Swift,Programming language released in 2014 by Apple Inc.
TPM,Trusted Platform Module
UDP,User Datagram Protocol
UEFI,Unified Extensible Firmware Interface
URL,Uniform Resource Locator
VPN,Virtual Private Network
VPS,Virtual Private Server
VRAM,Video RAM
VRF,Virtual Routing and Forwarding
VRM,"Vendor Risk Management, or Voltage Regulator Module"
VRML,Virtual Reality Modeling Language
VRR,Voice Recognition and Response
VRRP,Virtual Router Redundancy Protocol
VSA,virtual SAN appliance
VSA,Virtual Storage Appliance
VSAM,Virtual Storage Access Method
VSAN,virtual storage area network
VSAT,Very Small Aperture Terminal
VSB,vestigial sideband
VSE,Visual Studio Express
VSM,virtual systems management
VSMP,virtual symmetric multiprocessing
VSP,vertical solutions provider
VSP,Virtual Storage Portal
VSPP,VMware Service Provider Program
VSTO,Visual Studio Tools for Office or Microsoft Visual Studio Tools
VSTS,Visual Studio Team System
VTAM,Virtual Telecommunications Access Method
VTL,Virtual Tape Library
VUM,VMware vSphere Update Manager
VXLAN,gateway Virtual Extensible VLAN gateway
VXLAN,Virtual Extensible LAN
WAN,Wide Area Network
WWW,World Wide Web
XWM,X window manager
XWN,eXtended WordNet
XWS,X Window System
XYZ,Internet top-level domain (.xyz) released in 2014