Computer and Internet Acronyms
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
| .DLL | Direct Link Library |
| .GIF | Graphics Interchange Format |
| .JPEG | Joint Photographic Experts Group |
| A |
| AAC | Avanced Audio Coding |
| AARP | AppleTalk Address Resolution Protocol |
| ABEND | Abnormal End |
| AC | Alternating Current |
| ACD | Automatic Call Distributor |
| ACL | Access Control List |
| ACM | Association For Computing Machinery |
| ACPI | Advanced Configuration & Power Interface |
| ACTA | America's Carriers Telecommunications Association |
| ACU | Automatic Calling Unit |
| ADB | Android Debug Bridge |
| ADCCP | Advanced Data Communications Control Protocol |
| ADF | Automatic Document Feeder |
| ADO | ActiveX Data Objects |
| ADP | Automatic Data Processing |
| ADPCM | Adaptive Differential Pulse Code Modulation |
| ADS | Alternate Data Streams |
| ADSL | Asymmetric Digital Subscriber Line |
| ADT | Android Development Tools |
| ADVEIS | Anti-Virus Dependent Vulnerabilities In Email Infrastructure Security |
| AE | Academic Edition |
| AES | Asynchronous Event Scheduler |
| AFAIK | As Far As I Know |
| AGC | Automatic Gain Control |
| AGP | Accelerated Graphics Port |
| AH | Authentication Header |
| AI | Artificial Intelligence |
| AIFF | Audio Interchange File Format |
| AIM | AOL Instant Messenger |
| AIML | Astronomical Instrument Markup Language |
| AIX | Advanced Interactive Executive |
| ALU | Arithmetic Logic Unit |
| AMC | Advanced Management Console |
| AMD | Advanced Micro Devices |
| AML | Astronomy Markup Language |
| AMP | Advanced Metal Powder |
| AMPS | Advanced Mobile Phone Service |
| AMS | American Mobile Satellite Corporation |
| AN | Active Network |
| ANSA | Adaptive Network Security Alliance |
| ANSI | American National Standards Institute |
| AOL | America on Line |
| APA | All Points Addressable |
| API | Application Program Interface |
| APK | Android Package Kit |
| APM | Advanced Power Management |
| APWG | Anti-Phishing Working Group |
| ARLL | Advance Run Length Limited |
| ARM | Advanced RISC Machine Ltd |
| ARP | Address Resolution Protocol |
| ARPA | Advanced Research Projects Agency |
| ARQ | Automatic Repeat Request |
| ART | Android Run Time |
| ASAP | Active Secure Authentication Protocol |
| ASCII | American Standard Code for Information Interchange |
| ASD | Auto Sharing Device |
| ASF | Active Streaming Format |
| ASIC | Application-Specific Integrated |
| ASP | Active Server Pages |
| AT | Advanced Technologies |
| ATA | Advanced Technology Attachment |
| ATAPI | Advanced Technology Attachment Packet Interface |
| ATL | Active(ActiveX) Template Library |
| ATM | Asynchronous Transfer Mode |
| AUI | Attachment Unit Interface |
| AVC | Advanced Video Coding |
| AVDs | Android Virtual Devices |
| AVI | Audiovisual Interleaving |
| AVR | Automatic Voltage Regulations |
| AWT | Abstract Windows Toolkit |
| B | Back to Top |
| B2B | Business-to-Business |
| BALUN | Balun |
| BAPI | Business Application Programming Interface |
| BASIC | Beginners All -purpose Symbolic Instruction Code |
| BAT | Bandwidth Allocation Technology |
| BBS | Bulletin Board System |
| BCC | Blind Carbon Copy |
| BCD | Binary-Coded Decimal |
| BEDO RAM | Burst EDO RAM |
| BEOS | Business Application Programming Interface |
| BFR | Big, Fast Router |
| BIOS | Basic Input/Output System |
| B-ISDN | Broadband-Integrated Services Digital Network |
| BIT | Binary Digit |
| BLOB | Binary Large Object |
| BLOC | Brightmail Logistics & Operations |
| BMC | Business Model Canvas |
| BMI | Body Mass Index |
| BMP | Bitmap |
| BNC | Bayonet Connectors |
| BOF | Beginning-of-File |
| BPEL | Business Process Execution Language |
| BPI | Bits/Bytes per Inch |
| BPL | Bits Per Line |
| BPS | Bits Per Second |
| BRI | Basic Rate Interface |
| BSC | Base Station Controller |
| BSD | Berkeley Software(system) Distribution |
| BSWD | BellSouth Intelligent Wireless Data Network |
| C | Back to Top |
| CA | Certificate Authority |
| CAD | Computer-Aided Design |
| CAE | Computer-Aided Engineering |
| CAI | Computer-Aided Instruction |
| CAM | Computer-Aided Manufacturing |
| CAP | Carrierless Amplitude Phase |
| CASE | Computer Aided Software Engineering |
| CAT | Computer-Aided Testing |
| CAUCE | Citizens Against Unsolicited Commercial E-mail |
| CBL | Computer-Aided Learning |
| CBR | Constant BitRate |
| CBT | Computer Based Training |
| CCD | Charge-Coupled Device |
| CCP | Certificate in computer Programming |
| CD | Compact Disc. |
| CD | Carrier Detect |
| CDMA | Code Division Multiple Access |
| CD-R | CD-Recordable |
| CD-RW | CD-Rewritable |
| CDI | Compact Disc-Interactive |
| CDN | Content Delivery Network |
| CDPD | Cellular Data Packet Delivery |
| CDPD | Cellular Digital Packet Data |
| CF | Compact Flash card |
| CGA | Color/Graphics Adapter |
| CGI | Computer Graphics Interface |
| CGI | Common Gateway Interface |
| CIDR | Classless Inter-Domain Routing |
| CIM | Computer-Integrated Manufacturing |
| CIM | Computer-Input Microfilm |
| CIR | Committed Information Rate |
| CISC | Complex Instruction Set Computing |
| CLF | Common Log Format |
| CMOS | Complementary Metal-Oxide Semiconductor |
| CMS | Content Management System |
| CMTS | Cable Modem Termination Systems |
| CMVP | Concierge Minimum Viable Product |
| COBOL | Common Business Oriented Language |
| COM | Computer-Output Microfilm |
| COM | Component Object Model |
| COPPA | Children Online Privacy Protection Act |
| CORE | Internet Council of Registrars |
| CPE | Customer Premises Equipment |
| CR | Carriage Return |
| CRC | Cyclical Redundancy Check |
| CRL | Certificate Revocation List |
| CRT | Cathode-Ray Tube |
| CRU | Customer Replacement Unit |
| CSS | Cascading Style Sheets |
| CSU | Channel Service Unit |
| CTI | Computer Telephony Integration |
| CTS | Clear To Send |
| CVS | Concurrent Versions System |
| D | Back to Top |
| DAC | Digital-to-Anolog Converter |
| DAE | Digital Audio Extraction |
| DAFS | Direct Access File System |
| DAO | Data Access Objects |
| DARPAnet | Defense Advanced Research Projects Administration |
| DASD | Direct-access storage Device |
| DAT | Digital Audio Tape |
| DB | DataBase |
| DBA | Data Base Administrator |
| DBCS | Doubler Byte Character Set |
| DBMS | Database Management System |
| DC | Direct Current |
| DCC | Direct Cable Connection |
| DCD | Data Carrier Detected |
| DCE | Data Communications Equipment |
| DCF | Design Rule For Camera File Systems |
| DCI | Display Control Interface |
| DDE | Dynamic Data Exchange |
| DDI | Direct Draw Interface |
| DDOS | Distributed Denial Of Service |
| DDR2 | Double Data Rate 2 |
| DDR | Double Data Rate |
| DDR SDRAM | Double Data Rate-Synchronous DRAM |
| DDS | Digital Data Storage |
| DEBI | DMA Extended Bus Interface |
| DEC | Digital Equipment Corporation |
| DES | Digital Encryption Standard |
| DFM | Design For Manufacturing |
| DFP | Digital Flat Panel |
| DHCP/TD> | Dynamic Host Configuration Protocol |
| DIMM | Dual In-Line Memory Modules |
| DIA | Dedicated Internet Access |
| DIF | Data Interchange Format |
| DIF | Directory Interchange Format |
| DIP | Dual In-line Package |
| DIVX | Digital Video Express |
| DLC | Data Link Control |
| DLL | Dynamic Link Library |
| DLP | Digital Light Processing |
| DLT | Digital Linear Tape |
| DMA | Direct Memory Access |
| DMCA | Digital Millennium Copyright Act |
| DMI | Desktop Management Interface |
| DMT | Discrete Multitone Modulation |
| DMZ | Demilitarized Zone |
| DNS | Domain Name System/Server |
| DOM | Document Object Model |
| DOS | Disk Operating System |
| DOS | Denial-of-Service |
| DP | Data Processing |
| DPI | Dots Per Inch |
| DPS | Data Protection System |
| DRAM | Dynamic RAM(Random Access Memory) |
| DRM | Digital Rights Management |
| DRY | "Don't Repeat Yourself" |
| DSL | Digital Subscriber Line |
| DSLAM | DSL Access Multiplexer |
| DSOM | Distributed System Object Model |
| DSP | Digital Signal Processor |
| DSR | Data Set Ready |
| DSS | Digital Signature Standard |
| DSTN | Double-layer Supertwist Nematic |
| DSU | Data Service Unit |
| DSU | Dynamic System Updates |
| DSVD | Digital Simultaneous Voice And Data |
| DTD | Document Type Definition |
| DTE | Data Termination(Terminal) Equipment |
| DTP | Desktop Publishing |
| DUN | Dial-Up Networking |
| DV | Digital Video |
| DVD | Digital Video Disc |
| DVD | Digital Versatile Disc |
| DVD+R | Digital Versatile Disk Recordable |
| DVD+RW | Digital Versatile Disk Rewritable |
| DVD-R | Digital Versatile Disc Recordable |
| DVD-RAM | Digital Versatile Disc Random Access Memory |
| DVD-ROM | Digital Versatile Disc - Read Only |
| DVD-RW | Digital Versatile Disk Rewritable |
| DVI | Digital Visual Interface |
| DVM | Dalvik Virtual Machine |
| DVR | Digital Video Recorder |
| DWDM | Dense Wave Division Multiplexing |
| E | Back to Top |
| EAP | Extensible Authentication Protocol |
| EAX | Enhanced Audio Experience |
| EBCDIC | Extended Binary Coded Decimal |
| ECC | Error Correction Code |
| ECLF | Extended Common Log Format |
| ECN | Explicit Congestion Notification |
| EDI | Electronic Data Interchange |
| EDGE | Enhanced Data Rates For Global Evolution |
| EDLC | Electrochemical Double-layer Capacitor |
| EDO RAM | Extended-Data-Out RAM |
| EDP | Electronic Data Processing |
| EDRAM | Enhanced Dynamic Random Access Memory |
| EGA | Enhanced Graphics Adapter |
| EIA | Electronic Industries Alliance(Association) |
| EIDE | Enhanced Integrated Device Electronics |
| EISA | Extended Industry Standard Architecture |
| ELD | Electroluminescent Display |
| ELF | Extremely Low Frequency |
| EMM | Expanded Memory Manager |
| EMP | Emergency Management Port |
| EMS | Expanded Memory Specification |
| EOF | End-of-File Marker |
| EOL | End of LIFE |
| EPA | Environmental Protection Agency |
| EPP | Enhanced Parallel Port |
| EPROM | Erasable Programmable Read-Only Memory |
| EPS | Encapsulated PostScript |
| ERP | Enterprise Resource Planning |
| eSATA | External Serial Advanced Technology Attachment |
| ESC | Escape Character |
| ESCD | Extended System Configuration Data |
| ESD | Entry Systems Division |
| ESD | Electrostatic Discharge |
| ESDI | Enhanced System Device Interface |
| ESN | Electric Serial Number |
| ESRB | Entertainment Software Rating Board |
| ETOX | EPROM Tunnel Oxide |
| EUHP | eSATA USB Hybrid Port |
| EULA | End User License Agreement |
| EUP | Enterprise Unified Process |
| EWAN | Emulator Without A Name |
| EXIF | Exchangeable Image File |
| F | Back to Top |
| FAHQT | Fully Automatic High-Quality Translation |
| FAMOS | Floating Gate Avalanche MOS |
| FAQ | Frequently Asked Questions |
| FAT | File Allocation Table |
| FBGA | Fine-pitch Ball-grid Array |
| FCB | File Control Block |
| FCC | File Carbon Copy |
| FCC | Federal Communications Commission |
| FDD | Floppy Disk Drive |
| FDDI | Fiber Distributed-Data Interface |
| FDHD | Floppy Drive, High Density |
| FDM | Frequency Division Multiplexing |
| FF | Form Feed |
| FFS | Flash File System |
| FHSS | Frequency Hopping Spread Spectrum |
| FIF | Fractal Image Format |
| FIFO | First In First Out |
| FIOS | Fiber Optic Service |
| FOIP | Fiber Optic Internet Provider |
| FLOPS | Floating-Point Operations Per Second |
| FORTRAN | Formula Translator; Programming Language |
| FPM RAM | Fast Page Mode RAM |
| FPS | Frames Per Second |
| FPU | Floating-Point Unit |
| FRAD | Frame Relay Assembler/Disassembler |
| FRAM | Ferroelectric RAM |
| FSB | Front Side Bus |
| FSK | Frequency Shift Keying |
| FSP | File Service Protocol |
| FTP | File Transfer Protocol |
| FTTH | Fiber-To-The-Home |
| FWIW | For What It's Worth |
| FYI | For Your Information |
| G | Back to Top |
| GBE | Gigabit Ethernet |
| GIGO | Garbage In, Garbage Out |
| GIMP | General (GNU) Image Manipulation Progam |
| GIS | Geographic Information System |
| GM | General MIDI |
| GMT | Greenwich Mean Time |
| GPF | General Protection Fault |
| GPRS | General Packet Radio Service |
| GPU | Graphics Processing Unit |
| GSM | Global Systems for Mobile Technology |
| GOSIP | Government OSI Profile |
| GSM | Global System for Mobile Technology |
| GUI | Graphical User Interface |
| GUID | Globally Unique Identifier |
| H | Back to Top |
| HAL | Hardware Abstraction Layer |
| HCI | Human-Computer Interaction |
| HDB | Hydrodynamic Bearings |
| HD | High Density |
| HDLC | High-Level Data Link Control |
| HDD | Hard Disk Drive |
| HDMI | High-Definition Multimedia Interface |
| HDML | Handheld Device Markup Language |
| HDR | High Data Rate |
| HDSL | High Bit-Rate DSL |
| HDTV | High Definition Television |
| HDV | High-Definition Video |
| HEL | Hardware Emulation Layer |
| HFS | Hierarchical File System |
| HID | Human Interface Device |
| HIPO | Hierarchical Plus Input-Processing-output |
| HKLM | HKEY_Local_Machine |
| HMA | High Memory Area |
| HMD | Head-Mounted Display |
| HP | Hewlett-Packard |
| HPAS | Hypermedia Presentation And Authoring |
| HPFS | High Performance File System |
| HREF | Hypertext Reference |
| HS | High Speed |
| HSF | Heat Sink And Fan |
| HSL | Hypermedia Synchronization Language |
| HSM | Hierarchical Storage Management |
| HTML | Hypertext Markup Language |
| HTTP | Hypertext Transport Protocol |
| I | Back to Top |
| IAB | Internet Architecture Board |
| IAC | Internet Access Coalition |
| IAD | Integrated Access Device |
| IBG | Interblock Gap |
| IBM | international Business Machines |
| ICA | Independent Computing Architecture |
| ICANN | Internet Corporation for Assigned Names & Numbers |
| ICF | Internet Connection Firewall |
| ICMP | Internet Control Message Protocol |
| ICQ | I Seek You |
| ICRA | Internet Content Rating Association |
| ICS | Internet Connection Sharing |
| IDE | Integrated Device Electronics |
| IDEA | International Data Encryption Algorithm |
| IDSL | ISDN Digital Subscriber Line |
| IEEE | Institute of Electrical & Elec. Engineers |
| IETF | Internet Engineering Task Force |
| IGES | Initial Graphics Exchange Specification |
| IGMP | Internet Group Management Protocol |
| IGP | Intergrated Graphics Processor |
| IIM | Internet Interaction Management |
| IIS | Internet Information Server |
| IM | Instant Messaging |
| IMAP | Internet Message Access Protocol |
| IMHO | In My Humble Opinion |
| INTERNIC | Internet Network Information Center |
| I/O | Input/Output |
| IOS | Input Output System |
| IP | Internet Protocol |
| iPaaS | integration Platform as a Service |
| IPL | Initial Program Load |
| IPOS | Input-Processing-Output-Storage |
| IPTO | Information Processing Techniques Office |
| IPTV | Internet Protocol Television |
| IPX | Internetwork Packet Exchange |
| IRC | Internet Relay Chat(Talk Realtime) |
| IRDA | Infrared Data Association |
| IRQ | Interrupt Request |
| ISA | Industry Standard Architecture |
| ISAM | Indexed Sequential Access Method |
| ISAPI | Internet Server API |
| ISBN | International Standards Book Number |
| ISCSI | Internet Small Computer System Interface |
| ISDN | Integrated Services Digital Network |
| ISO | International Standardization Organization |
| ISOC | Internet Society |
| ISP | Internet Service Provider |
| IT | Information Technology |
| ITU | International Telecommuncations Union |
| IX | Internet Exchange |
| J | Back to Top |
| JBIG | Joint Bi-level Image Experts Group |
| JCL | Job Control Language |
| JDBC | Java Database Connectivity |
| JDK | Java Developers (Development) Kit |
| JEIDA | Japan Electronic Industry Development Association |
| JFIF | JPEG File Interchange Format |
| JMC | JDK Mission Control |
| JRE | Java Runtime Environment |
| JSP | Java Server Pages |
| K | Back to Top |
| KB | Kilobyte |
| KBPS | Kilobits Per Second |
| KDE | K Desktop Environment |
| KDP | Kindle Direct Publishing |
| KFC | Keyword Focused Content |
| KTS | Kill The Spams |
| KVM | Keyboard, Video, Monitor |
| L | Back to Top |
| L2TP | Layer Two Tunneling Protocol |
| LAN | Local Area Network |
| LAWN | Local-Area Wireless Network |
| LBA | Logical Block Addressing |
| LBV | Layered Biometric Verification |
| LCD | Liquid Crystal Display |
| LDAP | Lightweight Directory Access Protocol |
| LEO | Low Earth Orbit |
| LEP | Light Emitting Polymers |
| LEPP | Lifetime Equipment Protection Policy |
| LF | Line Feed |
| LGMR | Laser Guided Magnetic Recording |
| LI-ION | Lithium Ion |
| LIFO | Last In, First Out |
| LILO | Linux Loader |
| LIM | Lifeline Interface Module |
| LIM | Lotus-Intel-Microsoft |
| LMB | Left Mouse Button |
| LPI | Line Per Inch |
| LPM | Lifeline Port Module |
| LPT | Local Printer Terminal |
| LRA | Local Registration Authority |
| LTE | Long-Term Evolution |
| LTO | Linear Tape Open |
| LUN | Logical Unit Number |
| LVD | Low-Voltage Differential |
| M | Back to Top |
| MAC | Message Authentication Code |
| MAC | Medium Access Control |
| MAEs | Metropolitan Area Exchanges |
| MAR | Microsoft Authorized Refurbisher |
| MAU | Media Attachment Units |
| MAU | Monthly Active Users |
| MBaaS | Mobile Backend as a Service |
| MD5 | Message Digest 5 |
| MDBS | Mobile Data Base Station |
| MDI | Multi Document Interface |
| MD-IS | Mobile Data Intermediate System |
| ME | Millenium Edition |
| M-ES | Mobile End System |
| MFD | Multifunction Device |
| MIDI | Musical Instrument Digital Interface |
| MIME | Multimedia Internet Mail Extensions |
| MIPS | Millions of Instructions Per Second |
| MIS | Management Information Service/System |
| MLID | Multiple Link Interface Driver |
| MLP | Minimum Loveable Product |
| MMDS | Multipoint Microwave Distribution System |
| MODEM | Modulator/Demodulator |
| MP3 | MPEG-1 Audio Layer 3 |
| MPEG | Moving Picture Experts Group |
| MR | Modem Ready |
| MSN | MicroSoft Network |
| MSN | Mechanical Serial Number |
| MSP | Minimum Sellable Product |
| MTA | Multimedia Telecommunications Association |
| MTBFs | Meantime Between Failures |
| MUD | Multiple User Dungons |
| MUI | Multilingual User Interface |
| MVC | Model View Controller |
| MVP | Model View Presenter |
| MVP | Minimal Viable Product |
| MVVM | Model-View-View Model |
| A | Back to Top |
| NAPs | Network Access Points |
| NAT | Network Address Translation |
| NCP | Netware Core Protocol |
| NDK | Native Development Kit |
| NDS | Netware Directory Services |
| NFR | Not for Resale |
| NI | Non-Interlaced |
| NIF | Network Interface Facility |
| NiMH | Nickel-Metal Hydride |
| NIST | National Institute of Standards & TechnologyAccelerated Graphics Port |
| NIU | Network Interface Unit |
| NNTP | Normal News Transfer Protical |
| NOC | Network Operations Center |
| NQL | Network Query Language |
| NSA | National Security Agency |
| NSI | Network Solutions Inc. |
| O | Back to Top |
| OCR | Optical Character Recognition |
| ODI | Open Data-Link Interface |
| OEM | Original Equipment Manufacturer |
| OFX | Open Financial Exchange |
| OH | Off Hook |
| OLE | Object Linking and Embedding |
| OMTM | One Metric That Matters |
| OOP | Object-Oriented Programming |
| OPC | Optical Photoconductor Drum |
| OSD | On-Screen Display |
| OSI | Open System Interconnection |
| OSTA | Optical Storage Technology Association |
| P | Back to Top |
| PB SRAM | Pipeline-Burst SRAM |
| PBX | Private Branch Exchange |
| PCI | Peripheral Component Interconnect |
| PCL | Printer Control Language |
| PCM | Pulse Code Modulation |
| PCMCIA | Personal Computer Memory Card International Association |
| PCS | Personal Communications Services |
| PDAs | Personal Digital Assistants |
| PDF | Portable Document Format |
| PGA | Pin Grid Array |
| PGP | Pretty Good Privacy |
| PHP | PHP Hypertext Preprocessor |
| PICS | Platform for Internet Content Selection |
| PIM | Personal Information Managers |
| PIN | Personal Identification Number |
| PINE | Program for Internet News & E-Mail |
| PKI | Public-Key Infrastructure |
| PLC | Programable Logic Controllers |
| PNG | Portable Network Graphics |
| PnP | Plug and Play |
| PoC | Proof of Concept |
| POP | Points of Presence |
| POP3 | Post Office Protocol(3) |
| POS | Point Of Sale |
| POST | Power-On Self Test |
| POTS | Plain Old Telephone Service |
| PPP | Point-To-Point Protocal |
| PPTP | Point to Point Tunneling Protocol |
| PQAs | Palm Query Applications |
| PRI | Primary Rate Interface |
| PS/2 | Personal Systems /2 |
| PWA | Progressive Web Application |
| Q | Back to Top |
| QAM | Qadrature Amplitude Modulation |
| QBE | Query by Example |
| R | Back to Top |
| RA | Real Audio |
| RADSL | Rate-Adaptive DSL |
| RAID | Redundant Array of Inexpensive Disk |
| RAM | Random Access Memory |
| RBL | Realtime Blackhole List |
| RD | Receive Data |
| RDCs | Regional Data Centers |
| REST | Representational State Transfer |
| RF | Radio Frequency |
| RFCs | Request For Comments |
| RIAA | The Recording Industry Association of America |
| RIS | Remote Installation Services |
| RPG | Report Program Generator |
| RPM | Revolutions Per Minute |
| RSAC | Recreational Software Advisory Council |
| RSS | Relay Spam Stopper |
| RTC | Real-Time Clock |
| RTP | Real-Time Transport Protical |
| RTS | Request To Send |
| RWD | Responsive Web Design |
| S | Back to Top |
| SAN | Storage Area Network |
| SAP | SAP America, Inc. |
| SAP | Secondary Audio Program |
| SAP | Service Advertising Protocol |
| SAS | Serial Attached SCSI |
| SATA | Serial Advanced Technology Attachment |
| SCAM | SCSI Configuration Automatically |
| SCSI | Small Computer System Interface |
| SD | Send Data |
| SDH | Synchronous Digital Hiearchy |
| SDK | Software Development Kit |
| SDMI | Secure Digital Music Initiative |
| SDRAM | Synchronous Dynamic Random Access Memory |
| SDSL | Single-Line DSL |
| SE | Single-Ended Bus |
| SEM | Search Engine Marketing |
| SEO | Search Engine Optimization |
| SEPP | Single-Edge Processor Package |
| SET | Secure Electronic Transactions |
| SFC | System File Checker |
| SFF | Small Form-Factor |
| SGI | Silicon Graphics Incorporated |
| SGML | Standard Generalized Markup Language |
| SGRAM | Synchronous Graphic RAM |
| SHA-1 | Secure Hash Algorithm 1 |
| SIA | Semiconductor Industry Association |
| SIG | Special Interest Group |
| SIMD | Single Instruction Multiple Data |
| SIMM | Single In-Line Memory Module |
| SIP | Single In-Line Package |
| SKU | Stock Keeping Unit |
| SLA | Service Level Agreement |
| SLDRAM | SyncLink DRAM |
| SLI | Scalable Link Interface |
| SLIP | Serial Line Internet Protocol |
| SM | Smart Media |
| SMART | Self-Monitoring Analysis And Reporting Technology |
| SMB | Server Message Block |
| SMDS | Switched Multimegabit Data Services |
| SMIF | Stream-Based Model Interchange Format |
| SMIL | Synchronized Multimedia Integration Language |
| SMP | Simple Management Protocol |
| SMP | Symmetric Multiprocessing |
| S/MIME | Secure MIME |
| SMS | Short Message Service |
| SMS | System Management Server |
| SMSC | Short Message Service Center |
| SMS-MO | Short Message Service - Mobile Originated |
| SMS-MT | Short Message Service - Mobile Terminated |
| SMTP | Simple Mail Transfer Protocol |
| SNA | Systems Network Architecture |
| SNMP | Simple Network Management Protocol |
| SO-DIMM | Small Outline Dual In-Line Memory Module |
| SOA | Service Oriented Architecture |
| SOAP | Simple Object Access Protocol |
| SOC | System-On-A-Chip |
| SOHO | Small Office Home Office |
| SONET | Synchronous Optical Network |
| SPARC | Scalable Processor Architecture |
| SPE | Superparamagnetic Effect |
| SPEC | Standard Performance Evaluation Corporation |
| SPGA | Staggered Pin Grid Area |
| SPID | Service Profile (Provider) Identification |
| SPIM | Spam Over Instant Messaging |
| SPX | Sequenced Packet Exchange |
| SQL | Structure Query Language |
| SR | Sound Recorder |
| SRAM | Static Random Access Memory |
| SRGB | Standard Red Green Blue |
| SRS | Stero Surround Sound |
| SRS | Shared Registration System |
| SSD | Solid State Drives |
| SSH | Secure Shell Protocol |
| SSI | Server-Side Include |
| SSID | Service Set Identifier |
| SSL | Secure Sockets Layer |
| SSSCA | Security Systems Standards And Certification Act |
| SST | Spread Spectrum Technology |
| STOP | Startup Trademark Opposition Policy |
| STP | Shielded Twisted-Pair Cabling |
| SVC | Switched Virtual Circuit |
| SVG | Scalable Vector Graphics |
| SVGA | Super Video Graphics Array |
| SVWP | Silicon Valley Web Press |
| SWISH | Simple Web Indexing System For Humans |
| SYMM | Synchronized Multimedia Integration Working Group |
| SYN | Synchronize Sequence Number |
| SYSOP | System Operator |
| T | Back to Top |
| T1 | T-One - Carrier Signal (communications) |
| T3 | T-Three - Carrier Signal (communications) |
| TA | Terminal Adapter |
| TAPI | Telephony Application Programming Interface |
| TCP/IP | Transmission Control protocol/Internet Protocol |
| TDM | Time Division Multiplexing |
| TDMA | Time Division Multiple Access |
| TFT | Thin Film Transistor |
| TFTP | Trivial File Transfer Protocol |
| TIA | Telecommunications Industry Association |
| TIFF | Tagged Image File Format |
| TIGA | Texas Instruments Graphics Architecture |
| TLDs | Top-Level Domains |
| TLS1.0 | Transport Layer Security 1.0 |
| TOPS | Transparent Operating System |
| TOS | Terms of Service |
| TR | Data Terminal Ready |
| TRAM | Transactional RAM |
| TSR | Terminate-and-Stay-Resident |
| TOS | Terms of Service |
| TSAPI | Telephony Service API |
| TTL | Through-The-Lens |
| TWAIN | Technology Without An Interesting Name |
| TWAIN | Toolkit Without An Informative Name |
| TWIP | Twentieth Of A Point |
| U | Back to Top |
| UAC | User Account Control |
| UART | Universal Asynchronous Receiver-Transmitter |
| UCITA | Uniform Computer Information Transaction Act |
| UDDI | Universal Description Discovery and Integration |
| UDP | User Datagram Protocol |
| UI | User Interface |
| UEFI | User Extensible Firmware |
| UIN | Universal Internet Number |
| UL | Underwriters Laboratories |
| ULSI | Ultra Large Scale Integration |
| ULTRAATA | Ultra AT Attachment |
| ULTRADMA | Ultra Direct Memory Access |
| UMA | Upper Memory Area |
| UMB | Upper Memory Block |
| UML | Unified Modeling Language |
| UML | User-Mode Linux |
| UNC | Universal Naming Convention |
| UNIX | Universal Interactive Executive |
| UPNP | Universal Plug And Play |
| UPS | Uninterruptible Power Supply |
| URI | Uniform Resource Identifier |
| URL | Uniform Resource Locator or Internet Address |
| USB | Universal Serial Bus |
| USENET | User Network |
| USR | U.S. Robotics |
| UTP | Unshield Twisted-Pair cabling |
| UUCP | Unix to Unix Copy |
| UUENCODE | Unix to Unix Encode |
| UUID | Universally Unique Identifier |
| V | Back to Top |
| VAR | Value-Added Reseller |
| VAX | Virtual Address eXtension |
| VB | Visual Basic |
| VBA | Visual Basic for Applications |
| VBE | Vesa Bios Extension |
| VBNS | Very High-speed Backbone Network Services |
| VBR | Variable BitRate |
| VBS | Visual Basic Scripts |
| VCI | Virtual Channel Identifier |
| VCM SDRAM | Virtual Channel Memory SDRAM |
| VCI | Virtual Channel Identifier |
| VCPI | Virtual Control Program Interface |
| VCSEL | Virtual-Cavity Surface-Emitting Laser |
| VDT | Video Display Terminal |
| VDSL | Very High Bit-Rate DSL |
| VESA | Video Electronics Standards Association |
| VFAT | Virtual File Allocation Table |
| VFW | Video For Windows |
| VGA | Video Graphics Array |
| VLAN | Virtual Local Area Network |
| VLB | Vesa Local Bus |
| VLE | Virtual Learning Environment |
| VLIW | Very Long Instruction Word |
| VLM | Virtual Loadable Modules |
| VLSI | Very-Large-Scale Integration |
| VM | Virtual Machine |
| VME BUS | VesaModule European |
| VMS | Virtual Memory System |
| VOB | Voice Over Broadband |
| VOD | Video On Demand |
| VODSL | Voice Over Digital Subscriber Line |
| VoIP | Voice over Internet Protocol |
| VPI | Virtual Path Identifier |
| VPN | Virtual Private Network |
| VPS | Virtual Private Servers |
| VR | Virtual Reality |
| VRAM | Video RAM |
| VRM | Voltage Regulator Module |
| VRML | Virtual Reality Modelling Language |
| VRU | Virus Research Unit |
| VSA | Virtual Storage Architecture |
| VSAT | Very Small Aperture Terminal |
| VTAM | Virtual Telecommunications Access Method |
| VTC | Virus Test Center |
| VYBO | Visualize Yourself Beyond Ordinary |
| W | Back to Top |
| W3C | World Wide Web Consortium |
| WAFS | Wide Area File Services |
| WAIS | Wide Area Information Server |
| WAN | Wide Area Network |
| WAP | Wireless Application Protocol |
| WAP | Wireless Access Point |
| WDM | Wavelength Division Multiplexing |
| WebVTT | Web Video Text Tracks |
| WINS | Windows Internet Name Service |
| WLAN | Wireless Local Area Network |
| WMA | Windows Media Audio |
| WMT | Windows Media Technologies |
| WML | Wireless Markup Language |
| WMP | Windows Media Player |
| WMV | Windows Media Video |
| WORM | Write Once, Read Many |
| WPA | Wi-Fi Protected Access |
| WSD | Web Services For Devices |
| WSDL | Web Services Description Language |
| WWW | World Wide Web |
| WWDC | Apple-World Wide Developer Conference |
| WYSIWYG | What You See Is What You Get |
| X | Back to Top |
| XDSL | X Digital Subscriber Line |
| XCBL | XML Common Business Library |
| XHTML | Extensible Hypertext Markup Language |
| XML | Extensible Markup Language |
| XMS | Extended Memory Spencification |
| XP | extreme Programming |
| XPS | XML Paper Specification |
| XSL | Extensible Stylesheet Language |
| XSLT | eXtensible Stylesheet Language Transformations |
| XUL | XML User Interface Language |
| XVGA | Extended Video Graphics Adapter |
| Y | Back to Top |
| Y2K | Year Two Thousand |
| YAGNI | "You Aren't Gonna Need It" |
| Z | Back to Top |
| ZCAV | Zone Constant Angular Velocity |
| ZIF | Zero-Insertion Force |
| ZIP | ZIP file archive |