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From some basic internet terms to programming languages, we’ve compiled a list of all the important tech acronyms you may (or may not) need to know. Don’t worry, even the most tech-savvy forget what JPEG actually stands for. Developers, users and marketers alike, check out TECKpert’s tech acronym guide.
| Acronym | Meaning |
| ACL | Access Control List |
| ADSL | Asymmetric Digital Subscriber Line |
| AES | Advanced Encryption Standard |
| AGP | Accelerated Graphics Port |
| AIFF | Audio Interchange File Format |
| AJAX | Asynchronous JavaScript and XML |
| ALU | Arithmetic Logic Unit |
| API | Application Program Interface |
| ASCII | American Standard Code for Information Interchange |
| ASP | Active Server Page or Application Service Provider |
| ATM | Asynchronous Transfer Mode |
| AUP | Acceptable Use Policy |
| AVS | Address Verification System |
| AWS | Amazon Web Services |
| Bash | Bourne-Again Shell |
| BASIC | Beginner’s All-purpose Symbolic Instruction Code |
| BIOS | Basic Input/Output System |
| BL | Backlink |
| Blob | Binary Large Object |
| BMP | Bitmap |
| BR | Break |
| BSOD | Blue Screen of Death |
| BYOC | Bring Your Own Cloud |
| BYOD | Bring Your Own Device |
| CaaS | Communication as a Service |
| CAD | Computer-Aided Design |
| Cc | Carbon Copy |
| CCD | Charged Coupled Device |
| CDMA | Code Division Multiple Access |
| CDN | Content Delivery Network |
| CGI | Common Gateway Interface |
| CIO | Chief Information Officer |
| CLOB | Character Large Object |
| CMO | Chief Marketing Officer |
| CMOS | Complementary Metal Oxide Semiconductor |
| CMS | Content Management System |
| CMYK | Cyan Magenta Yellow Black |
| CNAME | Canonical Name |
| CPA | Cost Per Action |
| CPC | Cost Per Click |
| CPL | Cost Per Lead |
| CPM | Cost Per 1,000 Impressions |
| CPU | Central Processing Unit |
| CRAP | Contrast, Repetition, Alignment, Proximity |
| CRM | Customer Relationship Management |
| CRON | Command Run ON |
| CRUD | Create, Read, Update and Delete |
| CSC | Card Security Code |
| CSRF | Cross-Site Request Forgery |
| CSS | Cascading Style Sheet |
| CSS3 | Cascading Style Sheet Version 3 |
| CTO | Chief Technology Officer |
| CTR | Click-Through Rate |
| CVS | Concurrent Versions System |
| CVV | Card Verification Value |
| DAC | Digital-to-Analog Converter |
| DBMS | Database Management System |
| DCIM | Digital Camera IMages |
| DDL | Data Definition Language |
| DDR | Double Data Rate |
| DDR2 | Double Data Rate 2 |
| DDR3 | Double Data Rate Type 3 |
| DFS | Distributed File System |
| DHCP | Dynamic Host Configuration Protocol |
| DHTML | Dynamic HyperText Markup Language |
| DIR | Directory |
| DIV | Division |
| DLC | Downloadable Content |
| DLL | Dynamic Link Library |
| DMA | Direct Memory Access |
| DMOZ | Mozilla Directory |
| DMZ | Demilitarized Zone |
| DNS | Domain Name System |
| DOM | Document Object Model |
| DOS | Disk Operating System |
| DPI | Dots Per Inch |
| DRAM | Dynamic Random Access Memory |
| DRM | Digital Rights Management |
| DSL | Digital Subscriber Line |
| DSLAM | Digital Subscriber Line Access Multiplexer |
| DTD | Document Type Definition |
| DV | Digital Video |
| DVD+R | Digital Versatile Disc Recordable |
| DVD+RW | Digital Versatile Disk Rewritable |
| DVD-R | Digital Versatile Disc Recordable |
| DVD-RAM | Digital Versatile Disc Random Access Memory |
| DVD-RW | Digital Versatile Disk Rewritable |
| DVI | Digital Video Interface |
| DVR | Digital Video Recorder |
| ECC | Error Correction Code |
| EDI | Electronic Data Interchange |
| EIDE | Enhanced Integrated Drive Electronics |
| EMM | Enterprise Mobility Management |
| EPS | Encapsulated PostScript |
| EUP | Enterprise Unified Process |
| EXIF | Exchangeable Image File Format |
| FDDI | Fiber Distributed Data Interface |
| FIFO | First In, First Out |
| FILO | First In, Last Out |
| FiOS | Fiber Optic Service |
| FLA | Flash Authoring File |
| FLOPS | Floating Point Operations Per Second |
| FPU | Floating Point Unit |
| FSB | Frontside Bus |
| FTP | File Transfer Protocol |
| Gbps | Gigabits Per Second |
| GIF | Graphics Interchange Format |
| GIGO | Garbage In, Garbage Out |
| GIS | Geographic Information Systems |
| GIT | GNU Interactive Tools |
| GPS | Global Positioning System |
| GPU | Graphics Processing Unit |
| GTLD | Generic Top-Level Domain |
| GUI | Graphical User Interface |
| GUID | Globally Unique Identifier |
| HDD | Hard Disk Drive |
| HDMI | High-Definition Multimedia Interface |
| HDTV | High Definition Television |
| HDV | High-Definition Video |
| HFS | Hierarchical File System |
| HREF | HyperText Reference |
| HTML | HyperText Markup Language |
| HTML 4 | HyperText Markup Language Version 4 |
| HTML 5 | HyperText Markup Language Version 5 |
| HTTP | HyperText Transfer Protocol |
| HTTPS | HyperText Transport Protocol Secure |
| I/O | Input/Output |
| IaaS | Infrastructure as a Service |
| IBL | Inbound Link |
| ICANN | Internet Corporation For Assigned Names and Numbers |
| ICF | Internet Connection Firewall |
| ICMP | Internet Control Message Protocol |
| ICS | Internet Connection Sharing |
| ICT | Information and Communication Technologies |
| IDE | Integrated Device Electronics or Integrated Development Environment |
| IDS | Intrusion Detection System |
| IEEE | Institute of Electrical and Electronics Engineers |
| IGP | Integrated Graphics Processor |
| IIS | Internet Information Services |
| IMAP | Internet Message Access Protocol |
| IMG | Image |
| InterNIC | Internet Network Information Center |
| IP | Internet Protocol |
| IPS | Intrusion Prevention System |
| IPX | Internetwork Packet Exchange |
| IRC | Internet Relay Chat |
| IRQ | Interrupt Request |
| ISA | Industry Standard Architecture |
| iSCSI | Internet Small Computer Systems Interface |
| ISDN | Integrated Services Digital Network |
| ISO | International Organization for Standardization |
| ISP | Internet Service Provider |
| IT | Information Technology |
| JFS | Journaled File System |
| JPEG | Joint Photographic Experts Group |
| JRE | Java Runtime Environment |
| JS | JavaScript |
| JSF | JavaServer Faces |
| JSON | JavaScript Object Notation |
| JSP | Java Server Page |
| Kbps | Kilobits Per Second |
| KDE | K Desktop Environment |
| KVM Switch | Keyboard, Video, and Mouse Switch |
| LAMP | Linux, Apache, MySQL, and PHP |
| LAN | Local Area Network |
| LCD | Liquid Crystal Display |
| LDAP | Lightweight Directory Access Protocol |
| LED | Light-Emitting Diode |
| LIFO | Last In, First Out |
| LPI | Lines Per Inch |
| LTE | Long Term Evolution |
| LUN | Logical Unit Number |
| MaaS | Monitoring as a Service |
| MAC Address | Media Access Control Address |
| MAM | Mobile Application Management |
| MAMP | Mac OS X, Apache, MySQL, and PHP |
| MANET | Mobile Ad Hoc Network |
| MAPM | Mobile Application Platform Management |
| Mbps | Megabits Per Second |
| MBR | Master Boot Record |
| MCA | Micro Channel Architecture |
| MDI | Medium Dependent Interface |
| MDM | Mobile Device Management |
| MEAP | Mobile Enterprise Applications Platform |
| MID | Merchant ID |
| MIDI | Musical Instrument Digital Interface |
| MIM | Mobile Information Management |
| MIPS | Million Instructions Per Second |
| MIS | Management Information System |
| MMS | Multimedia Messaging Service |
| MP3 | MPEG-1 Audio Layer-3 |
| MPEG | Moving Picture Experts Group |
| MTU | Maximum Transmission Unit |
| NAT | Network Address Translation |
| NetBIOS | Network Basic Input/Output System |
| NIC | Network Interface Card |
| NNTP | Network News Transfer Protocol |
| NOC | Network Operations Center |
| NSP | Network Service Provider |
| NTFS | New Technology File System |
| NUI | Natural User Interface |
| NVRAM | Non-Volatile Random Access Memory |
| OASIS | Organization for the Advancement of Structured Information Standards |
| OBL | Outbound Link |
| OCR | Optical Character Recognition |
| ODBC | Open Database Connectivity |
| OEM | Original Equipment Manufacturer |
| OLAP | Online Analytical Processing |
| OLE | Object Linking and Embedding |
| OOP | Object-Oriented Programming |
| OSD | On Screen Display |
| OSPF | Open Shortest Path First |
| P2P | Peer To Peer |
| PaaS | Platform as a Service |
| PCB | Printed Circuit Board |
| PCI | Peripheral Component Interconnect |
| PCI-X | Peripheral Component Interconnect Extended |
| PCMCIA | Personal Computer Memory Card International Association |
| PDA | Personal Digital Assistant |
| Portable Document Format | |
| PHP | HyperText Preprocessor |
| PIM | Personal Information Manager |
| PMU | Power Management Unit |
| PNG | Portable Network Graphic |
| PON | Passive Optical Network |
| POP3 | Post Office Protocol |
| POST | Power On Self Test |
| PPC | Pay Per Click |
| PPGA | Plastic Pin Grid Array |
| PPI | Pixels Per Inch |
| PPL | Pay Per Lead |
| PPM | Pages Per Minute |
| PPP | Point to Point Protocol |
| PPPoE | Point-to-Point Protocol over Ethernet |
| PPS | Pay Per Sale |
| PPTP | Point-to-Point Tunneling Protocol |
| PR | PageRank |
| PRAM | Parameter Random Access Memory |
| PROM | Programmable Read-Only Memory |
| PS/2 | Personal System/2 |
| PSD | PhotoShop Document |
| PUM | Potentially Unwanted Modification |
| PUP | Potentially Unwanted Program |
| QA | Quality Assurance |
| QBE | Query By Example |
| RAID | Redundant Array of Independent Disks |
| RAM | Random Access Memory |
| RDF | Resource Description Framework |
| RDRAM | Rambus Dynamic Random Access Memory |
| RFID | Radio-Frequency Identification |
| RGB | Red Green Blue |
| RISC | Reduced Instruction Set Computing |
| ROI | Return on Investment |
| ROM | Read-Only Memory |
| RoR | Ruby on Rails |
| RPC | Remote Procedure Call |
| RPM | Revenue Per 1,000 Impressions |
| RSS | Really Simple Syndication |
| RSS | RDF Site Summary |
| RTE | Runtime Environment |
| RTF | Rich Text Format |
| RUP | Rational Unified Process |
| S3 | Amazon Simple Storage Service |
| SaaS | Software as a Service |
| SAN | Storage Area Network |
| SATA | Serial Advanced Technology Attachment |
| SCSI | Small Computer System Interface |
| SD | Secure Digital |
| SDK | Software Development Kit |
| SDRAM | Synchronous Dynamic Random Access Memory |
| SDSL | Symmetric Digital Subscriber Line |
| SEM | Search Engine Marketing |
| SEO | Search Engine Optimization |
| SERP | Search Engine Results Page |
| SIMM | Single In-Line Memory Module |
| SIP | Session Initiation Protocol |
| SKU | Stock Keeping Unit |
| SLA | Software License or Service Level Agreement |
| SLD | Second-Level Domain |
| SLI | Scalable Link Interface |
| SMART | Self-Monitoring Analysis And Reporting Technology |
| SMB | Server Message Block |
| SMO | Social Media Optimization |
| SMTP | Simple Mail Transfer Protocol |
| SNMP | Simple Network Management Protocol |
| SOA | Service Oriented Architecture |
| SOAP | Simple Object Access Protocol |
| SQL | Structured Query Language |
| SRAM | Static Random Access Memory |
| SRC | Source |
| sRGB | Standard Red Green Blue |
| SSD | Solid State Drive |
| SSH | Secure Shell |
| SSID | Service Side Includes |
| SSID | Service Set Identifier |
| SSL | Secure Sockets Layer |
| SVG | Scalable Vector Graphics |
| SVN | Subversion |
| SWF | Small Web Format |
| TCP/IP | Transmission Control Protocol/Internet Protocol |
| TFT | Thin-Film Transistor |
| TIFF | Tagged Image File Format |
| TLD | Top-Level Domain |
| TTL | Time To Live |
| TWAIN | Toolkit Without An Informative Name |
| UAT | User Acceptance Testing |
| UDDI | Universal Description Discovery and Integration |
| UDP | User Datagram Protocol |
| UGC | User Generated Content |
| UI | User Interface |
| UML | Unified Modeling Language |
| UNC | Universal Naming Convention |
| UPnP | Universal Plug and Play |
| UPS | Uninterruptible Power Supply |
| URI | Uniform Resource Identifier |
| URL | Uniform Resource Locator |
| USB | Universal Serial Bus |
| UTF | Unicode Transformation Format |
| UX | User Experience |
| VCI | Virtual Channel Identifier |
| VDI | Virtual Desktop Infrastructure |
| VDSL | Very High Bit Rate Digital Subscriber Line |
| VDU | Visual Display Unit |
| VFAT | Virtual File Allocation Table |
| VGA | Video Graphics Array |
| VLB | VESA Local Bus |
| VLE | Virtual Learning Environment |
| VoIP | Voice Over Internet Protocol |
| VPI | Virtual Path Identifier |
| VPN | Virtual Private Network |
| VPS | Virtual Private Server |
| VRAM | Video Random Access Memory |
| VRML | Virtual Reality Modeling Language |
| W3C | World Wide Web Consortium |
| WAIS | Wide Area Information Server |
| WAIS | Web Accessibility Initiative |
| WAMP | Windows, Apache, MySQL, and PHP |
| WAN | Wide Area Network |
| WAP | Wireless Application Protocol |
| WCAG | Web Content Accessibility Guidelines |
| WDDM | Windows Display Driver Model |
| WEP | Wired Equivalent Privacy |
| Wi-Fi | Wireless Fidelity |
| WINS | Windows Internet Name Service |
| WML | Wireless Markup Language |
| WPA | Wi-Fi Protected Access |
| WWW | World Wide Web |
| WYSIWYG | What You See Is What You Get |
| XHTML | Extensible HyperText Markup Language |
| XML | Extensible Markup Language |
| XMP | Extensible Metadata Platform |
| XSLT | Extensible Style Sheet Language Transformation |
| XSS | Cross-Site Scripting |
| YUI | Yahoo! User Interface |
| ZIF | Zero Insertion Force |