| AAA |
Authentication Authorization, Accounting |
| AABB |
Axis Aligned Bounding Box |
| AAC |
Advanced Audio Coding |
| AAL |
ATM Adaptation Layer |
| AARP |
AppleTalk Address Resolution Protocol |
| ABCL |
Actor-Based Concurrent Language |
| ABI |
Application Binary Interface |
| ABM |
Asynchronous Balanced Mode |
| ABR |
Area Border Router |
| ABR |
Auto Baud-Rate detection |
| ABR |
Available Bitrate |
| ABR |
Average Bitrate |
| AC |
Acoustic Coupler |
| ACE |
Advanced Computing Environment |
| ACID |
Atomicity Consistency Isolation Durability |
| ACK |
ACKnowledgement |
| ACM |
Association for Computing Machinery |
| ACME |
Automated Classification of Medical Entities |
| ACPI |
Advanced Configuration and Power Interface |
| AD |
Active Directory |
| AD |
Administrative Domain |
| ADC |
Apple Display Connector |
| ADB |
Apple Desktop Bus |
| ADCCP |
Advanced Data Communications Control Procedures |
| ADO |
ActiveX Data Objects |
| ADSL |
Asymmetric Digital Subscriber Line |
| ADT |
Abstract Data Type |
| AE |
Adaptive Equalizer |
| AES |
Advanced Encryption Standard |
| AF |
Anisotropic Filtering |
| AFP |
Apple Filing Protocol |
| AGP |
Accelerated Graphics Port |
| AH |
Active Hub |
| AI |
Artificial Intelligence |
| AIX |
Advanced Interactive eXecutive |
| Ajax |
Asynchronous JavaScript and XML |
| AL |
Active Link |
| AL |
Access List |
| ALAC |
Apple Lossless Audio Codec |
| ALGOL |
Algorithmic Language |
| ALSA |
Advanced Linux Sound Architecture |
| ALU |
Arithmetic and Logical Unit |
| AM |
Access Method |
| AM |
Active Matrix |
| AMOLED |
Active-Matrix Organic Light-Emitting Diode |
| AM |
Active Monitor |
| AM |
Allied Mastercomputer |
| AM |
Amplitude Modulation |
| AMD |
Advanced Micro Devices |
| AMQP |
Advanced Message Queuing Protocol |
| AMR |
Audio Modem Riser |
| ANN |
Artificial Neural Network |
| ANSI |
American National Standards Institute |
| ANT |
Another Neat Tool |
| AoE |
ATA over Ethernet |
| AOP |
Aspect-Oriented Programming |
| APCI |
Application-Layer Protocol Control Information |
| API |
Application Programming Interface |
| APIC |
Advanced Programmable Interrupt Controller |
| APIPA |
Automatic Private IP Addressing |
| APL |
A Programming Language |
| APR |
Apache Portable Runtime |
| ARC |
Adaptive Replacement Cache |
| ARC |
Advanced RISC Computing |
| ARIN |
American Registry for Internet Numbers |
| ARM |
Advanced RISC Machines |
| AROS |
AROS Research Operating System |
| ARP |
Address Resolution Protocol |
| ARPA |
Address and Routing Parameter Area |
| ARPA |
Advanced Research Projects Agency |
| ARPANET |
Advanced Research Projects Agency Network |
| AS |
Access Server |
| ASCII |
American Standard Code for Information Interchange |
| AuthIP |
Authenticated Internet Protocol |
| ASET |
Automated Security Enhancement Tool |
| ASG |
Abstract Semantic Graph |
| ASIC |
Application-Specific Integrated Circuit |
| ASIMO |
Advanced Step in Innovative Mobility |
| ASLR |
Address Space Layout Randomization |
| ASM |
Algorithmic State Machine |
| ASMP |
Asymmetric Multiprocessing |
| ASP |
Active Server Pages |
| ASP |
Application Service Provider |
| ASR |
Asynchronous Signal Routine |
| AST |
Abstract Syntax Tree |
| ASSP |
Application-Specific Standard Product |
| AT |
Advanced Technology |
| AT |
Access Time |
| AT |
Active Terminator |
| ATA |
Advanced Technology Attachment |
| ATAG |
Authoring Tool Accessibility Guidelines |
| ATAPI |
Advanced Technology Attachment Packet Interface |
| ATM |
Asynchronous Transfer Mode |
| AV |
Antivirus |
| AVC |
Advanced Video Coding |
| AVI |
Audio Video Interleaved |
| AWK |
Aho Weinberger Kernighan |
| AWT |
Abstract Window Toolkit |
| AWFL |
Acronym With Four Letters |
| B2B |
Business-to-Business |
| B2C |
Business-to-Consumer |
| B2E |
Business-to-Employee |
| BAL |
Basic Assembly Language |
| BAM |
Block Availability Map |
| Bash |
Bourne-again shell |
| BASIC |
Beginner's All-Purpose Symbolic Instruction Code |
| BBP |
Baseband Processor |
| BBS |
Bulletin Board System |
| BCD |
Binary Coded Decimal |
| BCD |
Boot Configuration Data |
| BCNF |
Boyce–Codd normal form |
| BEEP |
Blocks Extensible Exchange Protocol |
| BER |
Bit Error Rate |
| BFD |
Bidirectional Forwarding Detection |
| BFD |
Binary File Descriptor |
| BFS |
Breadth-First Search |
| BFT |
Byzantine Fault Tolerant |
| BGP |
Border Gateway Protocol |
| BI |
Business Intelligence |
| BiDi |
Bi-Directional |
| bin |
binary |
| BINAC |
Binary Automatic Computer |
| BIND |
Berkeley Internet Name Domain |
| BIOS |
Basic Input Output System |
| bit |
binary digit |
| Blob |
Binary large object |
| Blog |
Web Log |
| BMP |
Basic Multilingual Plane |
| BOM |
Byte Order Mark |
| BOOTP |
Bootstrap Protocol |
| BPDU |
Bridge Protocol Data Unit |
| BPEL |
Business Process Execution Language |
| BPL |
Broadband over Power Lines |
| BPM |
Business Process Management |
| BPM |
Business Process Modeling |
| bps |
bits per second |
| BRM |
Business Reference Model |
| BRMS |
Business Rule Management System |
| BRR |
Business Readiness Rating |
| BRS |
Broadband Radio Service |
| BSA |
Business Software Alliance |
| BSB |
Backside Bus |
| BSD |
Berkeley Software Distribution |
| BSoD |
Blue Screen of Death |
| BSS |
Block Started by Symbol |
| BT |
BitTorrent |
| BT |
Bluetooth |
| B TAM |
Basic Telecommunications Access Method |
| BW |
Bandwidth |
| BYOD |
Bring Your Own Device |
| Byte |
By eight (group of 8 bits) |
| CA |
Computer architecture |
| CAD |
Computer-Aided Design |
| CAE |
Computer-Aided Engineering |
| CAID |
Computer-Aided Industrial Design |
| CAI |
Computer-Aided Instruction |
| CAM |
Computer-Aided Manufacturing |
| CAPTCHA |
Completely Automated Public Turing Test to tell Computers and Humans Apart |
| CAT |
Computer-Aided Translation |
| CAQ |
Computer-Aided Quality Assurance |
| CASE |
Computer-Aided Software Engineering |
| cc |
C Compiler |
| CD |
Compact Disc |
| CDE |
Common Desktop Environment |
| CDFS |
Compact Disk File System |
| CDMA |
Code Division Multiple Access |
| CDN |
Content Delivery Network |
| CDP |
Continuous Data Protection |
| CD-R |
CD-Recordable |
| CD-ROM |
CD Read-Only Memory |
| CD-RW |
CD-Rewritable |
| CDSA |
Common Data Security Architecture |
| CERT |
Computer Emergency Response Team |
| CES |
Consumer Electronics Show |
| CF |
Compact Flash |
| CFG |
Context-Free Grammar |
| CFG |
Control Flow Graph |
| CG |
Computer Graphics |
| CGA |
Color Graphics Array |
| CGI |
Common Gateway Interface |
| CGI |
Computer-Generated Imagery |
| CGT |
Computational Graph Theory |
| CHAP |
Challenge-Handshake Authentication Protocol |
| CHS |
Cylinder-Head-Sector |
| CIDR |
Classless Inter-Domain Routing |
| CIFS |
Common Internet Filesystem |
| CIM |
Common Information Model |
| CIM |
Computationally Independent Model |
| CIO |
Chief Information Officer |
| CIR |
Committed information rate |
| CISC |
Complex Instruction Set Computer |
| CJK |
Chinese, Japanese, and Korean |
| CJKV |
Chinese, Japanese, Korean, and Vietnamese |
| CLI |
Command Line Interface |
| CLR |
Common Language Runtime |
| CM |
Configuration Management |
| CM |
Content Management |
| CMDB |
Configuration Management Database |
| CMMI |
Capability Maturity Model Integration |
| CMOS |
Complementary Metal-Oxide Semiconductor |
| CMS |
Content Management System |
| CN |
Canonical Name |
| CN |
Common Name |
| CNC |
Computer Numerical Control |
| CNG |
Cryptographic Next Generation |
| CNG |
Cryptography Next Generation |
| CNR |
Communications and Networking Riser |
| COBOL |
Common Business-Oriented Language |
| COM |
Component Object Model or communication |
| CORBA |
Common Object Request Broker Architecture |
| COTS |
Commercial Off-The-Shelf |
| CPA |
Cell Processor Architecture |
| CPAN |
Comprehensive Perl Archive Network |
| CP/M |
Control Program/Monitor |
| CPRI |
Common Public Radio Interface |
| CPS |
characters per second |
| CPU |
Central Processing Unit |
| CR |
Carriage Return |
| CRAN |
Comprehensive R Archive Network |
| CRC |
Cyclic Redundancy Check |
| CRLF |
Carriage Return Line Feeds |
| CRM |
Customer Relationship Management |
| CRS |
Computer Reservations System |
| CRT |
Cathode Ray Tube |
| CRUD |
Create, Read, Update and Delete |
| CS |
Cable Select |
| CSI |
Common System Interface |
| CSM |
Compatibility Support Module |
| CSMA/CD |
Carrier sense multiple access with collision detection |
| CSP |
Cloud Service Provider |
| CSP |
Communicating Sequential Processes |
| CSRF |
Cross-Site Request Forgery |
| CSS |
Cascading Style Sheets |
| CSS |
Content-Scrambling System |
| CSS |
Closed Source Software |
| CSS |
Cross-Site Scripting |
| CSV |
Comma-Separated Values |
| CT |
Computerized Tomography |
| CTAN |
Comprehensive TeX Archive Network |
| CTCP |
Client-To-Client Protocol |
| CTI |
Computer Telephony Integration |
| CTFE |
Compile Time Function Execution |
| CTL |
Computational Tree Logic |
| CTM |
Close To Metal |
| CTS |
Clear To Send |
| CTSS |
Compatible Time-Sharing System |
| CUA |
Common User Access |
| CVS |
Concurrent Versioning System |
| DAC |
Discretionary Access Control |
| DAL |
Database Abstraction Layer |
| DAO |
Data Access Object |
| DAO |
Disk-At-Once |
| DAP |
Directory Access Protocol |
| DARPA |
Defense Advanced Research Projects Agency |
| DAT |
Digital Audio Tape |
| DB |
Database |
| DBA |
Database Administrator |
| DBCS |
Double Byte Character Set |
| DBMS |
Database Management System |
| DCC |
Direct Client-to-Client |
| DCCP |
Datagram Congestion Control Protocol |
| DCCA |
Debian Common Core Alliance |
| DCL |
Data Control Language |
| DCS |
Distributed Control System |
| DCOM |
Distributed Component Object Model |
| DD |
Double Density |
| DDE |
Dynamic Data Exchange |
| DDI |
DNS DHCP & IP Address management |
| DDL |
Data Definition Language |
| DDoS |
Distributed Denial of Service |
| DDR |
Double Data Rate |
| DEC |
Digital Equipment Corporation |
| DES |
Data Encryption Standard |
| dev |
development |
| DFA |
Deterministic Finite Automaton |
| DFD |
Data Flow Diagram |
| DFS |
Depth-First Search |
| DFS |
Distributed File System |
| DGD |
Dworkin's Game Driver |
| DHCP |
Dynamic Host Configuration Protocol |
| DHTML |
Dynamic Hypertext Markup Language |
| DIF |
Data Integrity Field |
| DIMM |
Dual Inline Memory Module |
| DIP |
Dual In-line Package |
| DISM |
Deployment Image and Service Management Tool |
| DIVX |
Digital Video Express |
| DKIM |
Domain Keys Identified Mail |
| DL |
Download |
| DLL |
Dynamic Link Library |
| DLNA |
Digital Living Network Alliance |
| DLP |
Data loss protection |
| DMA |
Direct Memory Access |
| DMCA |
Digital Millennium Copyright Act |
| DMI |
Direct Media Interface |
| DML |
Data Manipulation Language |
| DML |
Definitive Media Library |
| DMZ |
Demilitarized Zone |
| DN |
Distinguished Name |
| DND |
Drag-and-Drop |
| DNS |
Domain Name System |
| DOA |
Dead on Arrival |
| DOCSIS |
Data Over Cable Service Interface Specification |
| DOM |
Document Object Model |
| DoS |
Denial of Service |
| DOS |
Disk Operating System |
| DP |
Dot Pitch |
| DPC |
Deferred Procedure Call |
| DPI |
Deep Packet Inspection |
| DPI |
Dots Per Inch |
| DPMI |
DOS Protected Mode Interface |
| DPMS |
Display Power Management Signaling |
| DR |
Disaster Recovery |
| DRAM |
Dynamic Random-Access Memory |
| DR-DOS |
Digital Research - Disk Operating System |
| DRI |
Direct Rendering Infrastructure |
| DRM |
Digital Rights Management |
| DRM |
Direct Rendering Manager |
| DSA |
Digital Signature Algorithm |
| DSDL |
Document Schema Definition Languages |
| DSDM |
Dynamic Systems Development Method |
| DSL |
Digital Subscriber Line |
| DSL |
Domain-Specific Language |
| DSLAM |
Digital Subscriber Line Access Multiplexer |
| DSN |
Database Source Name |
| DSN |
Data Set Name |
| DSP |
Digital Signal Processor |
| DSSSL |
Document Style Semantics and Specification Language |
| DTD |
Document Type Definition |
| DTE |
Data Terminal Equipment or data transfer rate |
| DTP |
Desktop Publishing |
| DTR |
Data Terminal Ready or Data transfer rate |
| DVD |
Digital Versatile Disc |
| DVD-R |
DVD-Recordable |
| DVD-ROM |
DVD-Read Only Memory |
| DVD-RW |
DVD-Rewritable |
| DVI |
Digital Visual Interface |
| DVR |
Digital Video Recorder |
| DW |
Data Warehouse |
| EAI |
Enterprise Application Integration |
| EAP |
Extensible Authentication Protocol |
| EAS |
Exchange ActiveSync |
| EBCDIC |
Extended Binary Coded Decimal Interchange Code |
| EBML |
Extensible Binary Meta Language |
| ECC |
Elliptic Curve Cryptography |
| ECMA |
European Computer Manufacturers Association |
| ECN |
Explicit Congestion Notification |
| ECOS |
Embedded Configurable Operating System |
| ECRS |
Expense and Cost Recovery System |
| EDA |
Electronic Design Automation |
| EDGE |
Enhanced Data rates for GSM Evolution |
| EDI |
Electronic Data Interchange |
| EDO |
Extended Data Out |
| EDSAC |
Electronic Delay Storage Automatic Calculator |
| EDVAC |
Electronic Discrete Variable Automatic Computer |
| EEPROM |
Electronically Erasable Programmable Read-Only Memory |
| EFI |
Extensible Firmware Interface |
| EFM |
Eight-to-Fourteen Modulation |
| EFS |
Encrypting File System |
| EGA |
Enhanced Graphics Array |
| E-mail |
Electronic mail |
| EGP |
Exterior Gateway Protocol |
| eID |
electronic ID card |
| EIDE |
Enhanced IDE |
| EIGRP |
Enhanced Interior Gateway Routing Protocol |
| EISA |
Extended Industry Standard Architecture |
| ELF |
Extremely Low Frequency |
| ELF |
Executable and Linkable Format |
| EMACS |
Editor MACroS |
| EMS |
Expanded Memory Specification |
| ENIAC |
Electronic Numerical Integrator And Computer |
| EOD |
End of Day |
| EOF |
End of File |
| EOL |
End of Line |
| EOM |
End Of Message |
| EOS |
End OF Support |
| EPIC |
Explicitly Parallel Instruction Computing |
| EPROM |
Erasable Programmable Read-Only Memory |
| ERD |
Entity-Relationship Diagram |
| ERM |
Entity-Relationship Model |
| ERP |
Enterprise Resource Planning |
| eSATA |
external SATA |
| ESB |
Enterprise service bus |
| ESCON |
Enterprise Systems Connection |
| ETL |
Extract, Transform, Load |
| EUC |
Extended Unix Code |
| EULA |
End User License Agreement |
| EWMH |
Extended Window Manager Hints |
| EXT |
EXTended file system |
| FAP |
FORTRAN Assembly Program |
| FASM |
Flat ASseMbler |
| FAT |
File Allocation Table |
| FAQ |
Frequently Asked Questions |
| FBDIMM |
Fully Buffered Dual Inline Memory Module |
| FC-AL |
Fibre Channel Arbitrated Loop |
| FCB |
File Control Block |
| FCS |
Frame Check Sequence |
| FDC |
Floppy Disk Controller |
| FDS |
Fedora Directory Server |
| FDD |
Frequency-Division Duplexing |
| FDD |
Floppy Disk Drive |
| FDDI |
Fiber Distributed Data Interface |
| FDM |
Frequency-Division Multiplexing |
| FDMA |
Frequency-Division Multiple Access |
| FEC |
Forward Error Correction |
| FEMB |
Front-End Motherboard |
| FET |
Field Effect Transistor |
| FHS |
Filesystem Hierarchy Standard |
| FICON |
FIber CONnectivity |
| FIFO |
First In First Out |
| FIPS |
Federal Information Processing Standards |
| FL |
Function Level |
| FLAC |
Free Lossless Audio Codec |
| FLOPS |
FLoating-Point Operations Per Second |
| FLOSS |
Free/Libre/Open Source Software |
| FMC |
Fixed Mobile Convergence "Mobile UC or Unified Communications over Wireless" |
| FOLDOC |
Free On-line Dictionary of Computing |
| FOSDEM |
Free and Open source Software Developers' European Meeting |
| FOSI |
Formatted Output Specification Instance |
| FOSS |
Free and Open Source Software |
| FP |
Function Programming |
| FPGA |
Field Programmable Gate Array |
| FPS |
Floating Point Systems |
| G11N |
Globalization |
| Gas |
GNU Assembler |
| Gb |
Gigabit |
| GB |
Gigabyte |
| GCC |
GNU Compiler Collection |
| GCJ |
GNU Compiler for Java |
| GCR |
Group Code Recording |
| GDB |
GNU Debugger |
| GDI |
Graphics Device Interface |
| GFDL |
GNU Free Documentation License |
| GIF |
Graphics Interchange Format |
| GIGO |
Garbage In, Garbage Out |
| GIMP |
GNU Image Manipulation Program |
| GIMPS |
Great Internet Mersenne Prime Search |
| GIS |
Geographic Information System |
| GLUT |
OpenGL Utility Toolkit |
| GML |
Geography Markup Language |
| GNOME |
GNU Network Object Model Environment |
| GNU |
GNU's Not Unix |
| GOMS |
Goals, Operators, Methods, and Selection rules |
| GPASM |
GNU PIC ASseMbler |
| GPFS |
General Parallel File System |
| GPG |
GNU Privacy Guard |
| GPGPU |
General-Purpose Computing on Graphics Processing Units |
| GPIB |
General-Purpose Instrumentation Bus |
| GPL |
General Public License |
| GPL |
General-Purpose Language |
| GPRS |
General Packet Radio Service |
| GPT |
GUID Partition Table |
| GPU |
Graphics Processing Unit |
| GRUB |
Grand Unified Boot-Loader |
| GERAN |
GSM EDGE Radio Access Network |
| GSM |
Global System for Mobile Communications |
| GTK+ |
GIMP Toolkit |
| GUI |
Graphical User Interface |
| GUID |
Globally Unique IDentifier |
| GWT |
Google Web Toolkit |
| GYR |
IT Networking |
| HA |
High Availability |
| HAL |
Hardware Abstraction Layer |
| HBA |
Host Bus Adapter |
| HCI |
Human Computer Interaction |
| HD |
High Density |
| HDD |
Hard Disk Drive |
| HCL |
Hardware Compatibility List |
| HDL |
Hardware Description Language |
| HDMI |
High-Definition Multimedia Interface |
| HF |
High Frequency |
| HFS |
Hierarchical File System |
| HHD |
Hybrid Hard Drive |
| HID |
Human Interface Device |
| HIG |
Human Interface Guidelines |
| HIRD |
Hurd of Interfaces Representing Depth |
| HLASM |
High Level ASseMbler |
| HLS |
HTTP Live Streaming |
| HMA |
High Memory Area |
| HP |
Hewlett-Packard |
| HPC |
High-Performance Computing |
| HPFS |
High Performance File System |
| HSDPA |
High-Speed Downlink Packet Access |
| HTC |
High-Throughput Computing |
| HSM |
Hierarchical Storage Management |
| HT |
Hyper Threading |
| HTM |
Hierarchical Temporal Memory |
| HTML |
Hypertext Markup Language |
| HTTP |
Hypertext Transfer Protocol |
| HTTPd |
Hypertext Transport Protocol Daemon |
| HTTPS |
HTTP Secure |
| HTX |
HyperTransport eXpansion |
| HURD |
Hird of Unix-Replacing Daemons |
| HVD |
Holographic Versatile Disc |
| Hz |
Hertz |
| IANA |
Internet Assigned Numbers Authority |
| iBCS |
Intel Binary Compatibility Standard |
| IBM |
International Business Machines |
| IC |
Integrated Circuit |
| ICANN |
Internet Corporation for Assigned Names and Numbers |
| ICE |
In-Circuit Emulator |
| ICE |
Intrusion Countermeasure Electronics |
| ICH |
I/O Controller Hub |
| ICMP |
Internet Control Message Protocol |
| ICP |
Internet Cache Protocol |
| ICS |
Internet Connection Sharing |
| ICT |
Information and Communication Technology |
| IDE |
Integrated Development Environment |
| IDE |
Integrated Drive Electronics |
| IDF |
Intermediate Distribution Frame |
| IDF |
Intermediate Data Format |
| IDL |
Interactive Data Language |
| IDL |
Interface Definition Language |
| IDS |
Intrusion Detection System |
| IE |
Internet Explorer |
| IEC |
International Electrotechnical Commission |
| IEEE |
Institute of Electrical and Electronics Engineers |
| IETF |
Internet Engineering Task Force |
| IFL |
Integrated Facility for Linux |
| IGMP |
Internet Group Management Protocol |
| IGRP |
Interior Gateway Routing Protocol |
| IHV |
Independent Hardware Vendor |
| IIOP |
Internet Inter-Orb Protocol |
| IIS |
Internet Information Services |
| IKE |
Internet Key Exchange |
| IL |
Intermediate Language |
| IMAP |
Internet Message Access Protocol |
| IME |
Input Method Editor |
| INFOSEC |
Information Systems Security |
| I/O |
Input/output |
| IoT |
Internet of Things |
| IP |
Intellectual Property |
| IP |
Internet Protocol |
| IPAM |
IP Address Management |
| IPC |
Inter-Process Communication |
| IPL |
Initial Program Load |
| IPMI |
Intelligent Platform Management Interface |
| IPO |
Inter Procedural Optimization |
| IPP |
Internet Printing Protocol |
| IPS |
In-Plane Switching |
| IPS |
Instructions Per Second |
| IPS |
Intrusion Prevention System |
| IPsec |
Internet Protocol security |
| IPTV |
Internet Protocol Television |
| IPv4 |
Internet Protocol version 4 |
| IPv6 |
Internet Protocol version 6 |
| IPX |
Internetwork Packet Exchange |
| IR |
Intermediate Representation |
| IRC |
Internet Relay Chat |
| IrDA |
Infrared Data Association |
| IRI |
Internationalized Resource Identifier |
| I/F |
Interface |
| IRP |
I/O Request Packet |
| IRQ |
Interrupt Request |
| IS |
Information Systems |
| IS-IS |
Intermediate System to Intermediate System |
| ISA |
Industry Standard Architecture |
| ISA |
Instruction Set Architecture |
| ISAM |
Indexed Sequential Access Method |
| ISATAP |
Intra-Site Automatic Tunnel Addressing Protocol |
| ISC |
Internet Storm Center |
| iSCSI |
Internet Small Computer System Interface |
| ISDN |
Integrated Services Digital Network |
| ISO |
International Organization for Standardization |
| iSNS |
Internet Storage Name Service |
| ISP |
Internet Service Provider |
| ISPF |
Interactive System Productivity Facility |
| ISR |
Interrupt Service Routine |
| ISV |
Independent Software Vendor |
| IT |
Information Technology |
| ITIL |
Information Technology Infrastructure Library |
| ITL |
Interval Temporal Logic |
| ITU |
International Telecommunication Union |
| IVRS |
Interactive Voice Response System |
| IVCR |
Interactive Virtual Classroom |
| J2EE |
Java 2 Enterprise Edition |
| J2ME |
Java 2 Micro Edition |
| J2SE |
Java 2 Standard Edition |
| JAXB |
Java Architecture for XML Binding |
| JAX-RPC |
Java XML for Remote Procedure Calls |
| JAXP |
Java API for XML Processing |
| JBOD |
Just a Bunch of Disks |
| JCE |
Java Cryptography Extension |
| JCL |
Job Control Language |
| JCP |
Java Community Process |
| JDBC |
Java Database Connectivity |
| JDK |
Java Development Kit |
| JEE |
Java Enterprise Edition |
| JES |
Job Entry Subsystem |
| JDS |
Java Desktop System |
| JFC |
Java Foundation Classes |
| JFET |
Junction Field-Effect Transistor |
| JFS |
IBM Journaling File System |
| JINI |
Jini Is Not Initials |
| JIT |
Just-In-Time |
| JME |
Java Micro Edition |
| JMX |
Java Management Extensions |
| JMS |
Java Message Service |
| JNDI |
Java Naming and Directory Interface |
| JNI |
Java Native Interface |
| JNZ |
Jump non-zero |
| JPEG |
Joint Photographic Experts Group |
| JRE |
Java Runtime Environment |
| JS |
JavaScript |
| JSE |
Java Standard Edition |
| JSON |
JavaScript Object Notation |
| JSP |
Jackson Structured Programming |
| JSP |
JavaServer Pages |
| JTAG |
Joint Test Action Group |
| JUG |
Java Users Group |
| JVM |
Java Virtual Machine |
| KB |
Keyboard |
| Kb |
Kilobit |
| KB |
Kilobyte |
| KB |
Knowledge Base |
| KiB |
Kibibyte |
| KDE |
K Desktop Environment |
| kHz |
Kilohertz |
| KM |
Knowledge Machine |
| KRL |
Knowledge Representation Language |
| KVM |
Keyboard, Video, Mouse |
| L10N |
Localization |
| L2TP |
Layer two Tunneling Protocol |
| LACP |
Link Aggregation Control Protocol |
| LAMP |
Linux Apache MySQL Perl |
| LAMP |
Linux Apache MySQL PHP |
| LAMP |
Linux Apache MySQL Python |
| LAN |
Local Area Network |
| LBA |
Logical Block Addressing |
| LB |
Load Balancer |
| LCD |
Liquid Crystal Display |
| LCR |
Least Cost Routing |
| LCOS |
Liquid Crystal On Silicon |
| LDAP |
Lightweight Directory Access Protocol |
| LE |
Logical Extents |
| LED |
Light-Emitting Diode |
| LF |
Line Feed |
| LF |
Low Frequency |
| LFS |
Linux From Scratch |
| LGPL |
Lesser General Public License |
| LIB |
LIBrary |
| LIF |
Low Insertion Force |
| LIFO |
Last In First Out |
| LILO |
Linux Loader |
| LISP |
LISt Processing |
| LKML |
Linux Kernel Mailing List |
| LM |
Lan Manager |
| LOC |
Lines of Code |
| LPC |
Lars Pensjö C |
| LPI |
Linux Professional Institute |
| LPT |
Line Print Terminal |
| LRU |
Least Recently Used |
| LSB |
Least Significant Bit |
| LSB |
Linux Standard Base |
| LSI |
Large-Scale Integration |
| LTE |
Long Term Evolution |
| LTL |
Linear Temporal Logic |
| LTR |
Left-to-Right |
| LUG |
Linux User Group |
| LUN |
Logical Unit Number |
| LV |
Logical Volume |
| LVM |
Logical Volume Management |
| LGA |
Land Grid Array |
| MAC |
Mandatory Access Control |
| MAC |
Media Access Control |
| MAN |
Metropolitan Area Network |
| MANET |
Mobile Ad-Hoc Network |
| MAPI |
Messaging Application Programming Interface |
| Mb |
Megabit |
| MB |
Megabyte |
| MBCS |
Multi Byte Character Set |
| MBD |
Model-Based Design |
| MBR |
Master Boot Record |
| MCA |
Micro Channel Architecture |
| MCPC |
Multiple Channels Per Carrier |
| MDA |
Mail Delivery Agent |
| MDA |
Model-Driven Architecture |
| MDA |
Monochrome Display Adapter |
| MDD/MDSD |
Model-Driven (Software) Development |
| MDF |
Main Distribution Frame |
| MDI |
Multiple Document Interface |
| ME |
Microsoft Edge |
| ME |
[Windows] Millennium Edition |
| MF |
Medium Frequency |
| MFC |
Microsoft Foundation Classes |
| MFM |
Modified Frequency Modulation |
| MGCP |
Media Gateway Control Protocol |
| MHz |
Megahertz |
| MIB |
Management Information Base |
| MICR |
Magnetic Ink Character Recognition |
| MIDI |
Musical Instrument Digital Interface |
| MIMD |
Multiple Instruction, Multiple Data |
| MIMO |
Multiple-Input Multiple-Output |
| MINIX |
MIni-uNIX |
| MIPS |
Million Instructions Per Second |
| MIPS |
Microprocessor without Interlocked Pipeline Stages |
| MIS |
Management Information Systems |
| MISD |
Multiple Instruction, Single Data |
| MIT |
Massachusetts Institute of Technology |
| MIME |
Multipurpose Internet Mail Extensions |
| MMDS |
Multichannel Multipoint Distribution Service |
| MMDS |
Mortality Medical Data System |
| MMI |
Man Machine Interface. |
| MMIO |
Memory-Mapped I/O |
| MMORPG |
Massively Multiplayer Online Role-Playing Game |
| MMC |
Microsoft Management Console |
| MMU |
Memory Management Unit |
| MMX |
Multi-Media Extensions |
| MNG |
Multiple-image Network Graphics |
| MoBo |
Motherboard |
| MOM |
Message-Oriented Middleware |
| MOO |
MUD Object Oriented |
| MOP |
Meta-Object Protocol |
| MOSFET |
Metal-Oxide Semiconductor Field Effect Transistor |
| MOTD |
Message Of The Day |
| MPAA |
Motion Picture Association of America |
| MPEG |
Motion Pictures Experts Group |
| MPL |
Mozilla Public License |
| MPLS |
Multiprotocol Label Switching |
| MPU |
Microprocessor Unit |
| MS |
Memory Stick |
| MS |
Microsoft |
| MSB |
Most Significant Bit |
| MSN |
Microsoft Network |
| MS-DOS |
Microsoft DOS |
| MT |
Machine Translation |
| MTA |
Mail Transfer Agent |
| MTA |
Microsoft Technology Associate |
| MTBF |
Mean Time Between Failures |
| MTU |
Maximum Transmission Unit |
| MSA |
Mail Submission Agent |
| MSDN |
Microsoft Developer Network |
| MSI |
Medium-Scale Integration |
| MSI |
Message Signaled Interrupt |
| MUA |
Mail User Agent |
| MUD |
Multi-User Dungeon |
| MVC |
Model-View-Controller |
| MVP |
Most Valuable Professional |
| MVS |
Multiple Virtual Storage |
| MWC |
Mobile World Congress |
| MX |
Mail exchange |
| MXF |
Material Exchange Format |
| NACK |
Negative ACKnowledgement |
| NAK |
Negative AcKnowledge Character |
| NaN |
Not a Number |
| NAP |
Network Access Protection |
| NAS |
Network-Attached Storage |
| NASM |
Netwide ASseMbler |
| NAT |
Network Address Translation |
| NCP |
NetWare Core Protocol |
| NCQ |
Native Command Queuing |
| NCSA |
National Center for Supercomputing Applications |
| NDIS |
Network Driver Interface Specification |
| NDPS |
Novell Distributed Print Services |
| NDS |
Novell Directory Services |
| NEP |
Network Equipment Provider |
| NetBIOS |
Network Basic Input/Output System |
| NetBT |
NetBIOS over TCP/IP |
| NEXT |
Near-End CrossTalk |
| NFA |
Nondeterministic Finite Automaton |
| NFC |
Near field communication |
| NFS |
Network File System |
| NGL |
aNGeL |
| NGSCB |
Next-Generation Secure Computing Base |
| NI |
National Instruments |
| NIC |
Network Interface Controller |
| NIM |
No Internal Message |
| NIO |
New I/O |
| NIST |
National Institute of Standards and Technology |
| NLP |
Natural Language Processing |
| NLS |
Native Language Support |
| NMI |
Non-Maskable Interrupt |
| NNTP |
Network News Transfer Protocol |
| NOC |
Network Operations Center |
| NOP |
No OPeration |
| NOS |
Network Operating System |
| NP |
Nondeterministic Polynomial time |
| NPL |
Netscape Public License |
| NPTL |
Native POSIX Thread Library |
| NPU |
Network Processing Unit |
| NS |
Netscape |
| NSA |
Network Security Appliance |
| NSI |
Network Service Interface |
| NSPR |
Netscape Portable Runtime |
| NSS |
Novell Storage Service |
| NSS |
Network Security Services |
| NSS |
Name Service Switch |
| NT |
New Technology |
| NTFS |
NT Filesystem |
| NTLM |
NT Lan Manager |
| NTP |
Network Time Protocol |
| NUMA |
Non-Uniform Memory Access |
| NVR |
Network Video Recorder |
| NVRAM |
Non-Volatile Random Access Memory |
| OASIS |
Organization for the Advancement of Structured Information Standards |
| OAT |
Operational Acceptance Testing |
| OBSAI |
Open Base Station Architecture Initiative |
| ODBC |
Open Database Connectivity |
| OEM |
Original Equipment Manufacturer |
| OES |
Open Enterprise Server |
| OFTC |
Open and Free Technology Community |
| OID |
Object Identifier |
| OLAP |
Online Analytical Processing |
| OLE |
Object Linking and Embedding |
| OLED |
Organic Light Emitting Diode |
| OLTP |
Online Transaction Processing |
| OMF |
Object Module Format |
| OMG |
Object Management Group |
| OMR |
Optical Mark Reader |
| OO |
Object-Oriented |
| OO |
OpenOffice |
| OOE |
Out-of-Order Execution |
| OOM |
Out Of Memory |
| OOo |
OpenOffice.org |
| OoOE |
Out-of-Order Execution |
| OOP |
Object-Oriented Programming |
| OOTB |
Out of the box |
| OPML |
Outline Processor Markup Language |
| ORB |
Object Request Broker |
| ORM |
Object-Relational Mapping |
| OS |
Open Source |
| OS |
Operating System |
| OSCON |
O'Reilly Open Source CONvention |
| OSDN |
Open Source Development Network |
| OSI |
Open Source Initiative |
| OSI |
Open Systems Interconnection |
| OSPF |
Open Shortest Path First |
| OSS |
Open Sound System |
| OSS |
Open-Source Software |
| OSS |
Operations Support System |
| OSTG |
Open Source Technology Group |
| OUI |
Organisationally Unique Identifier |
| P2P |
Peer-To-Peer |
| PaaS |
Platform as a Service |
| PAN |
Personal Area Network |
| PAP |
Password Authentication Protocol |
| PARC |
Palo Alto Research Center |
| PATA |
Parallel ATA |
| PBS |
Portable Batch System |
| PC |
Personal Computer |
| PCB |
Printed Circuit Board |
| PCB |
Process Control Block |
| PC DOS |
Personal Computer Disc Operating System |
| PCI |
Peripheral Component Interconnect |
| PCIe |
PCI Express |
| PCL |
Printer Command Language |
| PCMCIA |
Personal Computer Memory Card International Association |
| PCM |
Pulse-Code Modulation |
| PCRE |
Perl Compatible Regular Expressions |
| PD |
Public Domain |
| PDA |
Personal Digital Assistant |
| PDF |
Portable Document Format |
| PDH |
Plesiochronous Digital Hierarchy |
| PDP |
Programmed Data Processor |
| PE |
Physical Extents |
| PERL |
Practical Extraction and Reporting Language |
| PFA |
Please Find Attachment |
| PG |
Peripheral Gateway |
| PGA |
Pin Grid Array |
| PGA |
Programmable Gate Array |
| PGO |
Profile-Guided Optimization |
| PGP |
Pretty Good Privacy |
| PHP |
Hypertext Preprocessor |
| PIC |
Peripheral Interface Controller |
| PIC |
Programmable Interrupt Controller |
| PID |
Proportional-Integral-Derivative |
| PID |
Process ID |
| PIM |
Personal Information Manager |
| PINE |
Program for Internet News and Email |
| PIM |
Platform Independent Model |
| PIO |
Programmed Input/Output |
| PKCS |
Public Key Cryptography Standards |
| PKI |
Public Key Infrastructure |
| PLC |
Power Line Communication |
| PLC |
Programmable Logic Controller |
| PLD |
Programmable Logic Device |
| PL/I |
Programming Language One |
| PL/M |
Programming Language for Microcomputers |
| PL/P |
Programming Language for Prime |
| PLT |
Power Line Telecommunications |
| PMM |
POST Memory Manager |
| PNG |
Portable Network Graphics |
| PnP |
Plug-and-Play |
| PNRP |
Peer Name Resolution Protocol |
| PoE |
Power over Ethernet |
| POID |
Persistent Object Identifier |
| POJO |
Plain Old Java Object |
| POP |
Point of Presence |
| POP3 |
Post Office Protocol v3 |
| POSIX |
Portable Operating System Interface, formerly IEEE-IX |
| POST |
Power-On Self Test |
| PPC |
PowerPC |
| PPI |
Pixels Per Inch |
| PPP |
Point-to-Point Protocol |
| PPPoA |
PPP over ATM |
| PPPoE |
PPP over Ethernet |
| PPTP |
Point-to-Point Tunneling Protocol |
| PR |
Pull Request |
| PS |
PostScript |
| PS/2 |
Personal System/2 |
| PSA |
Professional Services Automation |
| PSM |
Platform Specific Model |
| PSU |
Power Supply Unit |
| PSVI |
Post-Schema-Validation Infoset |
| PTS-DOS |
PhysTechSoft - Disk Operating System |
| PV |
Physical Volume |
| PVG |
Physical Volume Group |
| PVR |
Personal Video Recorder |
| PXE |
Preboot Execution Environment |
| PXI |
PCI eXtensions for Instrumentation |
| QDR |
Quad Data Rate |
| QA |
Quality Assurance |
| QFP |
Quad Flat Package |
| QoS |
Quality of Service |
| Qt |
Quasar Toolkit |
| QTAM |
Queued Teleprocessing Access Method |
| QSOP |
Quarter Small Outline Package |
| qWave |
Quality Windows Audio/Video Experience |
| RACF |
Resource Access Control Facility |
| RAD |
Rapid Application Development |
| RADIUS |
Remote Authentication Dial In User Service |
| RAID |
Redundant Array of Independent Disks |
| RAII |
Resource Acquisition Is Initialization |
| RAIT |
Redundant Array of Inexpensive Tapes |
| RAM |
Random Access Memory |
| RARP |
Reverse Address Resolution Protocol |
| RAS |
Reliability, Availability and Serviceability |
| RAS |
Remote Access Service |
| RC |
Region Code |
| RC |
Release Candidate |
| RC |
Run Commands |
| RCS |
Revision Control System |
| RD |
Remote Desktop |
| rd |
remove directory |
| RDBMS |
Relational Database Management System |
| RDC |
Remote Desktop Connection |
| RDF |
Resource Description Framework |
| RDM |
Relational Data Model |
| RDOS |
Real-time Disk Operating System |
| RDP |
Remote Desktop Protocol |
| RDS |
Remote Data Services |
| REFAL |
Recursive Functions Algorithmic Language |
| REST |
Representational State Transfer |
| regex |
Regular Expression |
| regexp |
Regular Expression |
| RF |
Radio Frequency |
| RFC |
Request For Comments |
| RFI |
Radio Frequency Interference |
| RFID |
Radio Frequency Identification |
| RGB |
Red, Green, Blue |
| RGBA |
Red, Green, Blue, Alpha |
| RHL |
Red Hat Linux |
| RHEL |
Red Hat Enterprise Linux |
| RIA |
Rich Internet Application |
| RIAA |
Recording Industry Association of America |
| RIP |
Raster Image Processor |
| RIP |
Routing Information Protocol |
| RIR |
Regional Internet registry |
| RISC |
Reduced Instruction Set Computer |
| RISC OS |
Reduced Instruction Set Computer Operating System |
| RJE |
Remote Job Entry |
| RLE |
Run-Length Encoding |
| RLL |
Run-Length Limited |
| rmdir |
remove directory |
| RMI |
Remote Method Invocation |
| RMS |
Richard Matthew Stallman |
| ROM |
Read Only Memory |
| ROMB |
Read-Out Motherboard |
| ROM-DOS |
Read Only Memory - Disk Operating System |
| RPC |
Remote Procedure Call |
| RPG |
Report Program Generator |
| RPM |
RPM Package Manager |
| RRAS |
Routing and Remote Access Service |
| RSA |
Rivest Shamir Adleman |
| RSI |
Repetitive Strain Injury |
| RSS |
Radio Service Software |
| RSS |
Rich Site Summary, RDF Site Summary, or Really Simple Syndication |
| RTAI |
Real-Time Application Interface |
| RTC |
Real-Time Clock |
| RTE |
Real-Time Enterprise |
| RTEMS |
Real-Time Executive for Multiprocessor Systems |
| RTL |
Right-to-Left |
| RTOS |
Real-Time Operating System |
| RTP |
Real-time Transport Protocol |
| RTS |
Ready To Send |
| RTSP |
Real Time Streaming Protocol |
| RTTI |
Run-time Type Information |
| RWD |
Responsive Web Design |
| SaaS |
Software as a Service |
| SAM |
Security Account Manager |
| SAN |
Storage Area Network |
| SAS |
Serial attached SCSI |
| SATA |
Serial ATA |
| SAX |
Simple API for XML |
| SBOD |
Spinning Beachball of Death |
| SBP-2 |
Serial Bus Protocol 2 |
| sbin |
superuser binary |
| SBU |
Standard Build Unit |
| SCADA |
Supervisory Control And Data Acquisition |
| SCID |
Source Code in Database |
| SCM |
Software Configuration Management |
| SCM |
Source Code Management |
| SCP |
Secure Copy |
| SCPC |
Single Channel Per Carrier |
| SCPI |
Standard Commands for Programmable Instrumentation |
| SCSA |
Secure Content Storage Association |
| SCSI |
Small Computer System Interface |
| SCTP |
Stream Control Transmission Protocol |
| SD |
Secure Digital |
| SDDL |
Security Descriptor Definition Language |
| SDH |
Synchronous Digital Hierarchy |
| SDI |
Single Document Interface |
| SEC |
Single Edge Contact |
| SDIO |
Secure Digital Input Output |
| SDK |
Software Development Kit |
| SDL |
Simple DirectMedia Layer |
| SDN |
Service Delivery Network |
| SDP |
Session Description Protocol |
| SDR |
Software-Defined Radio |
| SDRAM |
Synchronous Dynamic Random Access Memory |
| SDSL |
Symmetric DSL |
| SE |
Single Ended |
| SEI |
Software Engineering Institute |
| SEO |
Search Engine Optimization |
| SFTP |
Secure FTP |
| SFTP |
Simple File Transfer Protocol |
| SFTP |
SSH File Transfer Protocol |
| SGI |
Silicon Graphics, Incorporated |
| SGML |
Standard Generalized Markup Language |
| SGR |
Select Graphic Rendition |
| SHA |
Secure Hash Algorithm |
| SHDSL |
Single-pair High-speed Digital Subscriber Line |
| SIGCAT |
Special Interest Group on CD-ROM Applications and Technology |
| SIGGRAPH |
Special Interest Group on Graphics |
| SIMD |
Single Instruction, Multiple Data |
| SIMM |
Single Inline Memory Module |
| SIP |
Session Initiation Protocol |
| SIP |
Supplementary Ideographic Plane |
| SISD |
Single Instruction, Single Data |
| SISO |
Single-Input and Single-Output |
| SLI |
Scalable Link Interface |
| SLIP |
Serial Line Internet Protocol |
| SLM |
Service Level Management |
| SLOC |
Source Lines of Code |
| SME |
Subject Matter Expert |
| SPM |
Software project management |
| SPMD |
Single Program, Multiple Data |
| SMA |
SubMiniature version A |
| SMB |
Server Message Block |
| SMBIOS |
System Management BIOS |
| SMIL |
Synchronized Multimedia Integration Language |
| S/MIME |
Secure/Multipurpose Internet Mail Extensions |
| SMP |
Supplementary Multilingual Plane |
| SMP |
Symmetric Multi-Processing |
| SMPS |
Switch Mode Power Supply |
| SMS |
Short Message Service |
| SMS |
System Management Server |
| SMT |
Simultaneous Multithreading |
| SMTP |
Simple Mail Transfer Protocol |
| SNA |
Systems Network Architecture |
| SNMP |
Simple Network Management Protocol |
| SNTP |
Simple Network Time Protocol |
| SOA |
Service-Oriented Architecture |
| SOAP |
Simple Object Access Protocol |
| SOAP |
Symbolic Optimal Assembly Program |
| SOPA |
Stop Online Piracy Act |
| SoC |
System-on-a-Chip |
| SO-DIMM |
Small Outline DIMM |
| SOE |
Standard Operating Environment |
| SOHO |
Small Office/Home Office |
| SOI |
Silicon On Insulator |
| SP |
Service Pack |
| SPA |
Single Page Application |
| SPF |
Sender Policy Framework |
| SPI |
Serial Peripheral Interface |
| SPI |
Stateful Packet Inspection |
| SPARC |
Scalable Processor Architecture |
| SQL |
Structured Query Language |
| SRAM |
Static Random Access Memory |
| SSA |
Static Single Assignment |
| SSD |
Software Specification Document |
| SSD |
Solid-State Drive |
| SSDP |
Simple Service Discovery Protocol |
| SSE |
Streaming SIMD Extensions |
| SSH |
Secure Shell |
| SSI |
Server Side Includes |
| SSI |
Single-System Image |
| SSI |
Small-Scale Integration |
| SSID |
Service Set Identifier |
| SSL |
Secure Socket Layer |
| SSP |
Supplementary Special-purpose Plane |
| SSSE |
Supplementary Streaming SIMD Extensions |
| SSSP |
Single Source Shortest Path |
| SSTP |
Secure Socket Tunneling Protocol |
| su |
superuser |
| SUS |
Single UNIX Specification |
| SUSE |
Software und System-Entwicklung |
| SVC |
Scalable Video Coding |
| SVG |
Scalable Vector Graphics |
| SVGA |
Super Video Graphics Array |
| SVD |
Structured VLSI Design |
| SWF |
Shock Wave Flash |
| SWT |
Standard Widget Toolkit |
| Sysop |
System operator |
| TAO |
Track-At-Once |
| TAPI |
Telephony Application Programming Interface |
| TASM |
Turbo ASseMbler |
| TB |
TeraByte |
| Tcl |
Tool Command Language |
| TCP |
Transmission Control Protocol |
| TCP/IP |
Transmission Control Protocol/Internet Protocol |
| TCU |
Telecommunication Control Unit |
| TDMA |
Time Division Multiple Access |
| TFT |
Thin Film Transistor |
| TFTP |
Trivial File Transfer Protocol |
| TI |
Texas Instruments |
| TLA |
Three-Letter Acronym |
| TLD |
Top-Level Domain |
| TLS |
Thread-Local Storage |
| TLS |
Transport Layer Security |
| TLV |
Type-length-value |
| tmp |
temporary |
| TNC |
Terminal Node Controller |
| TNC |
Threaded Neill-Concelman connector |
| TPF |
Transaction Processing Facility |
| TPM |
Trusted Platform Module |
| TROFF |
Trace Off |
| TRON |
Trace On |
| TRON |
The Real-time Operating system Nucleus |
| TRSDOS |
Tandy Radio Shack - Disk Operating System |
| TSO |
Time Sharing Option |
| TSP |
Traveling Salesman Problem |
| TSR |
Terminate and Stay Resident |
| TTA |
True Tap Audio |
| TTF |
TrueType Font |
| TTL |
Transistor-Transistor Logic |
| TTL |
Time To Live |
| TTS |
Text-to-Speech |
| TTY |
Teletype |
| TUCOWS |
The Ultimate Collection of Winsock Software |
| TUG |
TeX Users Group |
| TWAIN |
Technology Without An Interesting Name |
| UAAG |
User Agent Accessibility Guidelines |
| UAC |
User Account Control |
| UART |
Universal Asynchronous Receiver/Transmitter |
| UAT |
User Acceptance Testing |
| UCS |
Universal Character Set |
| UDDI |
Universal Description, Discovery, and Integration |
| UDMA |
Ultra DMA |
| UDP |
User Datagram Protocol |
| UEFI |
Unified Extensible Firmware Interface |
| UHF |
Ultra High Frequency |
| UI |
User Interface |
| UL |
Upload |
| ULA |
Uncommitted Logic Array |
| UMA |
Upper Memory Area |
| UMB |
Upper Memory Block |
| UML |
Unified Modeling Language |
| UML |
User-Mode Linux |
| UMPC |
Ultra-Mobile Personal Computer |
| UMTS |
Universal Mobile Telecommunications System |
| UNC |
Universal Naming Convention |
| UPS |
Uninterruptible Power Supply |
| URI |
Uniform Resource Identifier |
| URL |
Uniform Resource Locator |
| URN |
Uniform Resource Name |
| USB |
Universal Serial Bus |
| usr |
user |
| UTC |
Coordinated Universal Time |
| UTF |
Unicode Transformation Format |
| UTP |
Unshielded Twisted Pair |
| UTRAN |
Universal Terrestrial Radio Access Network |
| UUCP |
Unix to Unix Copy |
| UUID |
Universally Unique Identifier |
| UUN |
Universal User Name |
| UVC |
Universal Virtual Computer |
| UWP |
Universal Windows Platform |
| UX |
User Experience |
| var |
variable |
| VAX |
Virtual Address eXtension |
| VCPI |
Virtual Control Program Interface |
| VR |
Virtual Reality |
| VRML |
Virtual Reality Modeling Language |
| VB |
Visual Basic |
| VBA |
Visual Basic for Applications |
| VBS |
Visual Basic Script |
| VDM |
Virtual DOS machine |
| VDSL |
Very High Bitrate Digital Subscriber Line |
| VESA |
Video Electronics Standards Association |
| VFAT |
Virtual FAT |
| VHD |
Virtual Hard Disk |
| VFS |
Virtual File System |
| VG |
Volume Group |
| VGA |
Video Graphics Array |
| VHF |
Very High Frequency |
| VLAN |
Virtual Local Area Network |
| VLSM |
Variable Length Subnet Mask |
| VLB |
Vesa Local Bus |
| VLF |
Very Low Frequency |
| VLIW |
Very Long Instruction Word |
| VLSI |
Very-Large-Scale Integration |
| VM |
Virtual Machine |
| VM |
Virtual Memory |
| VMM |
Virtual Machine Monitor |
| VNC |
Virtual Network Computing |
| VOD |
Video On Demand |
| VoIP |
Voice over Internet Protocol |
| VPN |
Virtual Private Network |
| VPU |
Visual Processing Unit |
| VSAM |
Virtual Storage Access Method |
| VSAT |
Very Small Aperture Terminal |
| VT |
Video Terminal |
| VTAM |
Virtual Telecommunications Access Method |
| VRAM |
Video Random Access Memory |
| W3C |
World Wide Web Consortium |
| WWDC |
Apple World Wide Developer Conference |
| WAFS |
Wide Area File Services |
| WAI |
Web Accessibility Initiative |
| WAIS |
Wide Area Information Server |
| WAN |
Wide Area Network |
| WAP |
Wireless Access Point |
| WAP |
Wireless Application Protocol |
| WASM |
Watcom ASseMbler |
| WBEM |
Web-Based Enterprise Management |
| WCAG |
Web Content Accessibility Guidelines |
| WCF |
Windows Communication Foundation |
| WDM |
Wavelength-Division Multiplexing |
| WebDAV |
WWW Distributed Authoring and Versioning |
| WEP |
Wired Equivalent Privacy |
| WFI |
Wait For Interrupt |
| WiFi |
Wireless Fidelity |
| WiMAX |
Worldwide Interoperability for Microwave Access |
| WinFS |
Windows Future Storage |
| WinRT |
Windows RunTime |
| WINS |
Windows Internet Name Service |
| WLAN |
Wireless Local Area Network |
| WOL |
Wake-on-LAN |
| WOR |
Wake-on-Ring |
| WORA |
Write once, run anywhere |
| WORE |
Write once, run everywhere |
| WPA |
Wi-Fi Protected Access |
| WPAD |
Web Proxy Autodiscovery Protocol |
| WPAN |
Wireless Personal Area Network |
| WPF |
Windows Presentation Foundation |
| WS-D |
Web Services-Discovery |
| WSDL |
Web Services Description Language |
| WSFL |
Web Services Flow Language |
| WUSB |
Wireless Universal Serial Bus |
| WWAN |
Wireless Wide Area Network |
| WWID |
World Wide Identifier |
| WWN |
World Wide Name |
| WWW |
World Wide Web |
| WYSIWYG |
What You See Is What You Get |
| WZC |
Wireless Zero Configuration |
| XAG |
XML Accessibility Guidelines |
| XAML |
eXtensible Application Markup Language |
| XDM |
X Window Display Manager |
| XDMCP |
X Display Manager Control Protocol |
| XCBL |
XML Common Business Library |
| XHTML |
eXtensible Hypertext Markup Language |
| XILP |
X Interactive ListProc |
| XML |
eXtensible Markup Language |
| XMMS |
X Multimedia System |
| XMPP |
eXtensible Messaging and Presence Protocol |
| XMS |
Extended Memory Specification |
| XNS |
Xerox Network Systems |
| XP |
Cross-Platform |
| XP |
Extreme Programming |
| XPCOM |
Cross Platform Component Object Model |
| XPI |
XPInstall |
| XPIDL |
Cross-Platform IDL |
| XPS |
XML Paper Specification |
| XSD |
XML Schema Definition |
| XSL |
eXtensible Stylesheet Language |
| XSL-FO |
eXtensible Stylesheet Language Formatting Objects |
| XSLT |
eXtensible Stylesheet Language Transformations |
| XSS |
Cross-Site Scripting |
| XTF |
eXtensible Tag Framework |
| XTF |
eXtended Triton Format |
| XUL |
XML User Interface Language |
| XVGA |
Extended Video Graphics Adapter |
| Y2K |
Year Two Thousand |
| YAAF |
Yet Another Application Framework |
| YACC |
Yet Another Compiler Compiler |
| YAML |
YAML Ain't Markup Language |
| YaST |
Yet another Setup Tool |
| ZCS |
Zero Code Suppression |
| ZIF |
Zero Insertion Force |
| ZIFS |
Zero Insertion Force Socket |
| ZISC |
Zero Instruction Set Computer |
| ZOI |
Zero One Infinity |
| ZOPE |
Z Object Publishing Environment |
| ZMA |
Zone Multicast Address |
| ZPL |
Z-level Programming Language |