| AAC | Advanced Audio Coding |
| ABR | Available Bit Rate |
| ACL | Access Control List |
| ACM | Association for Computing Machinery |
| ADB | Apple Desktop Bus |
| ADC | Analog-to-Digital Converter |
| ADF | Automatic Document Feeder |
| ADSL | Asymmetric Digital Subscriber Line |
| AES | Advanced Encryption Standard |
| AFA | All-Flash Array |
| AGP | Accelerated Graphics Port |
| AI | Artificial Intelligence |
| ALGOL | Algorithmic Language |
| ALU | Arithmetic Logic Unit |
| AM | Allied Master Computer |
| ANSI | American National Standards Institute |
| AP | Access Point |
| API | Application Programming Interface |
| APIPA | Automatic Private IP Addressing |
| APT | Advanced Persistent Threat |
| ARP | Address Resolution Protocol |
| ARPANET | Advanced Research Projects Agency Network |
| ASCII | American Standard Code for Information Interchange |
| ASIC | Application-Specific Integrated Circuit |
| ASP | Active Server Pages |
| ASP.NET | Active Server Pages .NET |
| ATA | Advanced Technology Attachment |
| ATX | Advanced Technology Extended |
| BASIC | Beginner’s All-purpose Symbolic Instruction Code |
| BGP | Border Gateway Protocol |
| BI | Business Intelligence |
| BIOS | Basic Input/Output System |
| BLOB | Binary Large Object |
| BNC | Bayonet Neill-Concelman (connector) |
| BOINC | Berkeley Open Infrastructure for Network Computing |
| BOOT | Basic Output Output Test |
| BPI | Bits Per Inch |
| BPS | Bits Per Second |
| BRB | Be Right Back |
| BSoD | Blue Screen of Death |
| CA | Computer Accountancy |
| CAD | Computer-Aided Design |
| CAE | Computer-Aided Engineering |
| CAI | Computer-Aided Instruction |
| CAID | Computer-Aided Industrial Design |
| CAM | Computer-Aided Manufacturing |
| CAPTCHA | Completely Automated Public Turing test to tell Computers and Humans Apart |
| CAQ | Computer-Aided Quality Assurance |
| CASE | Computer-Aided Software Engineering |
| CAT | Computer-Aided Translation |
| CC | Computer Cleaning |
| CCTV | Closed-Circuit Television |
| CD | Compact Disc |
| CDE | Common Desktop Environment |
| CDMA | Code Division Multiple Access |
| CDN | Content Delivery Network |
| CF | Compact Flash |
| CFD | Computational Fluid Dynamics |
| CG | Computer Graphics |
| CGI | Common Gateway Interface |
| CIFS | Common Internet File System |
| CISC | Complex Instruction Set Computer |
| CLI | Command-Line Interface |
| CMOS | Complementary Metal-Oxide Semiconductor |
| CMS | Content Management System |
| CNAME | Canonical Name Record |
| COBOL | Common Business-Oriented Language |
| COM | Component Object Model |
| CPU | Central Processing Unit |
| CRC | Cyclic Redundancy Check |
| CRL | Certificate Revocation List |
| CRON | Command Run On |
| CRT | Cathode Ray Tube |
| CRUD | Create, Read, Update, Delete |
| CSMA/CD | Carrier Sense Multiple Access with Collision Detection |
| CSS | Cascading Style Sheets |
| CURL | Client URL |
| DAC | Digital-to-Analog Converter |
| DBMS | Database Management System |
| DCOM | Distributed Component Object Model |
| DDoS | Distributed Denial of Service |
| DDR | Double Data Rate |
| DFS | Distributed File System |
| DHCP | Dynamic Host Configuration Protocol |
| DIMM | Dual In-line Memory Module |
| DLL | Dynamic Link Library |
| DML | Data Manipulation Language |
| DNS | Domain Name System |
| DNSSEC – | Domain Name System Security Extensions |
| 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 |
| DSN | Data Source Name |
| DTP | Desktop Publishing |
| DVD | Digital Versatile Disc |
| DVI | Digital Visual Interface |
| EBCDIC | Extended Binary Coded Decimal Interchange Code |
| ECC | Error Correction Code |
| ECMA | European Computer Manufacturers Association |
| EDVAC | Electronic Discrete Variable Automatic Computer |
| EEPROM | Electrically Erasable Programmable Read-Only Memory |
| EFI | Extensible Firmware Interface |
| EFS | Encrypting File System |
| EIDE | Enhanced Integrated Drive Electronics |
| ENIAC | Electronic Numerical Integrator And Computer |
| EOF | End of File |
| EPIC | Explicitly Parallel Instruction Computing |
| EPROM | Erasable Programmable Read-Only Memory |
| ERP | Enterprise Resource Planning |
| ESD | Electrostatic Discharge |
| EXIF | Exchangeable Image File Format |
| FAT | File Allocation Table |
| FAT32 | File Allocation Table 32-bit |
| FDD | Floppy Disk Drive |
| FDDI | Fiber Distributed Data Interface |
| FDM | Frequency Division Multiplexing |
| FIFO | First In, First Out |
| FIPS | Federal Information Processing Standards |
| FOLDOC | Free Online Dictionary of Computing |
| FPGA | Field-Programmable Gate Array |
| FQDN | Fully Qualified Domain Name |
| FSB | Front-Side Bus |
| FTP | File Transfer Protocol |
| GBIC | Gigabit Interface Converter |
| GDI | Graphics Device Interface |
| GDPR | General Data Protection Regulation |
| GIF | Graphics Interchange Format |
| GIGO | Garbage In Garbage Out |
| GIS | Geographic Information System |
| GPGPU | General-Purpose Computing on Graphics Processing Units |
| GPRS | General Packet Radio Service |
| GPT | GUID Partition Table |
| GPU | Graphics Processing Unit |
| GSM | Global System for Mobile Communications |
| GUI | Graphical User Interface |
| HAL | Hardware Abstraction Layer |
| HBA | Host Bus Adapter |
| HCI | Human-Computer Interaction |
| HDCP | High-bandwidth Digital Content Protection |
| HDD | Hard Disk Drive |
| HDMI | High-Definition Multimedia Interface |
| HID | Human Interface Device |
| HPC | High-Performance Computing |
| HSDPA | High-Speed Downlink Packet Access |
| HSRP | Hot Standby Router Protocol |
| HTC | High-Throughput Computing |
| HTML | HyperText Markup Language |
| HTML5 | Hypertext Markup Language version 5 |
| HTTP | HyperText Transfer Protocol |
| HTTP/HTTPS | Hypertext Transfer Protocol / Secure |
| HTTPS | HyperText Transfer Protocol Secure |
| I/O | Input/Output |
| IBM | International Business machines |
| IC | Integrated Circuit |
| ICANN | Internet Corporation for Assigned Names and Numbers |
| ICMP | Internet Control Message Protocol |
| ICQ | I Seek You |
| ICS | Internet Connection Sharing |
| IDE | Integrated Development Environment |
| IDF | Intermediate Distribution Frame |
| IM | Instant Messaging |
| IMAP | Internet Message Access Protocol |
| IMSI | International Mobile Subscriber Identity |
| IP | Internet Protocol |
| IPS | Intrusion Prevention System |
| IPsec | Internet Protocol Security |
| IPTV | Internet Protocol Television |
| IPv4 | nternet Protocol version 4 |
| IPv6 | Internet Protocol version 6 |
| IPX | Internetwork Packet Exchange |
| IRQ | Interrupt Request |
| ISDN | Integrated Services Digital Network |
| ISO | International Organization for Standardization |
| ISP | Internet Service Provider |
| ITIL | Information Technology Infrastructure Library |
| JBOD | Just a Bunch of Disks |
| JDK | Java Development Kit |
| JPEG | Joint Photographic Experts Group |
| JRE | Java Runtime Environment |
| JSON | JavaScript Object Notation |
| JVM | Java Virtual Machine |
| KB | Kilobyte |
| KVM | Keyboard, Video, and Mouse |
| L2TP | Layer 2 Tunneling Protocol |
| LAMP | Linux, Apache, MySQL, PHP/Python/Perl |
| LAN | Local Area Network |
| LANE | Local Area Network Emulation |
| LCD | Liquid Crystal Display |
| LDAP | Lightweight Directory Access Protocol |
| LED | Light Emitting Diode |
| LIFO | Last In, First Out |
| LLC | Logical Link Control |
| LUN | Logical Unit Number |
| MAC | Media Access Control |
| MAN | Metropolitan Area Network |
| MANET | Mobile Ad hoc Network |
| MAPI | Messaging Application Programming Interface |
| Mbps | Megabits Per Second |
| MBR | Master Boot Record |
| MDM | Mobile Device Management |
| MFA | Multi-Factor Authentication |
| MIDI | Musical Instrument Digital Interface |
| MIME | Multipurpose Internet Mail Extensions |
| MIMO | Multiple Input Multiple Output |
| MIPS | Million Instructions Per Second |
| ML | Machine Learning |
| MMC | Microsoft Management Console |
| MMU | Memory Management Unit |
| MP3 | MPEG Audio Layer-3 |
| MP4 | MPEG-4 Part 14 |
| MPEG | Moving Picture Experts Group |
| MS-DOS | Microsoft Disk Operating System |
| MTTR | Mean Time to Repair |
| MTU | Maximum Transmission Unit |
| MX – | Mail Exchange |
| NAS | Network Attached Storage |
| NAT | Network Address Translation |
| NBFC | Non-Banking Financial Company |
| NCQ | Native Command Queuing |
| NFS | Network File System |
| NIC | Network Interface Card |
| NLP | Natural Language Processing |
| NNTP | Network News Transfer Protocol |
| NOS | Network Operating System |
| NTFS | New Technology File System |
| OAUTH | Open Authorization |
| OCR | Optical Character Recognition |
| ODBC | Open Database Connectivity |
| OEM | Original Equipment Manufacturer |
| OLE | Object Linking and Embedding |
| OLED | Organic Light Emitting Diode |
| OMR | Optical Mark Recognition |
| OOP | Object-Oriented Programming |
| OS | Operating System |
| OSD | On-Screen Display |
| OSI | Open Systems Interconnection |
| OTA | Over The Air |
| OTP | One-Time Password |
| P2P | Peer-to-Peer |
| PAN | Personal Area Network |
| PATA | Parallel Advanced Technology Attachment |
| PC | Personal Computer |
| PCI | Peripheral Component Interconnect |
| PDF | Portable Document Format |
| PDU | Protocol Data Unit |
| PGP | Pretty Good Privacy |
| PHP | Hypertext Preprocessor |
| PIM | Personal Information Manager |
| PING | Packet Internet Groper |
| PIP | Package Installer for Python |
| PKI | Public Key Infrastructure |
| PNG | Portable Network Graphics |
| POP3 | Post Office Protocol 3 |
| PPI | Pixels Per Inch |
| PPP | Point-to-Point Protocol |
| PPTP | Point-to-Point Tunneling Protocol |
| PSTN | Public Switched Telephone Network |
| PSU | Power Supply Unit |
| PWM | Pulse Width Modulation |
| QR | Quick Response |
| QWERTY | Standard Keyboard Layout |
| RAID | Redundant Array of Independent Disks |
| RARP | Reverse Address Resolution Protocol |
| RDBMS | Relational Database Management System |
| RDMA | Remote Direct Memory Access |
| RDP | Remote Desktop Protocol |
| RFID | Radio Frequency Identification |
| RGB | Red Green Blue |
| RISC | Reduced Instruction Set Computer |
| ROM | Read-Only Memory |
| RPM | Revolutions Per Minute |
| RTC | Real-Time Clock |
| RTF | Rich Text Format |
| RTOS | Real-Time Operating System |
| SAN | Storage Area Network |
| SAP | Systems, Applications, and Products in Data Processing |
| SATA | Serial Advanced Technology Attachment |
| SCSI | Small Computer System Interface |
| SDLC | Software Development Life Cycle |
| SDN | Software-Defined Networking |
| SDRAM | Synchronous Dynamic Random-Access Memory |
| SEO | Search Engine Optimization |
| SGML | Standard Generalized Markup Language |
| SIM | Subscriber Identity Module |
| SMTP | Simple Mail Transfer Protocol |
| SNMP | Simple Network Management Protocol |
| SOA | Service-Oriented Architecture |
| SQL | Structured Query Language |
| SSD | Solid State Drive |
| SSH | Secure Shell |
| SSL | Secure Sockets Layer |
| SVG | Scalable Vector Graphics |
| TB | Terabyte |
| TCP | Transmission Control Protocol |
| TCP/IP | Transmission Control Protocol/Internet Protocol |
| TDM | Time Division Multiplexing |
| TFT | Thin-Film Transistor |
| TFTP | Trivial File Transfer Protocol |
| TIFF | Tagged Image File Format |
| TLS | Transport Layer Security |
| TLS | Transport Layer Security |
| TTS | Text-to-Speech |
| UAC | User Account Control |
| UDP | User Datagram Protocol |
| UI | User Interface |
| UID | User Identifier |
| UL | Upload |
| ULSI | Ultra Large Scale Integration |
| UNC | Universal Naming Convention |
| UPI | Unified Payments Interface |
| UPS | Uninterruptible Power Supply |
| URI | Uniform Resource Locator |
| URL | Uniform Resource Locator |
| USB | Universal Serial Bus |
| USSD | Unstructured Supplementary Service Data |
| UTC | Coordinated Universal Time |
| UUID | Universally Unique Identifier |
| UX | User Experience |
| VBR | Variable Bit Rate |
| VDU | Visual Display Unit |
| VFS | Virtual File System |
| VGA | Video Graphics Array |
| VLAN | Virtual Local Area Network |
| VoLTE | Voice over LTE |
| VPN | Virtual Private Network |
| VR | Virtual Reality |
| VRAM | Video Random Access Memory |
| VRML | Virtual Reality Modeling Language |
| VRRP | Virtual Router Redundancy Protocol |
| VxLAN | Virtual Extensible LAN |
| WAF | Web Application Firewall |
| WAI | Web Accessibility Initiative |
| WAN | Wide Area Network |
| WANET | Wireless Ad Hoc Network |
| WAP | Wireless Application Protocol |
| WEP | Wired Equivalent Privacy |
| Wi-Fi | Wireless Fidelity |
| WiMAX | Worldwide Interoperability for Microwave Access |
| WINS | Windows Internet Name Service |
| WLAN | Wireless Local Area Network |
| WMV | Windows Media Video |
| WORM | Write Once Read Many |
| WPA | Wi-Fi Protected Access |
| WWW | World Wide Web |
| WYSIWYG | What You See Is What You Get |
| XAML | Extensible Application Markup Language |
| XDR | eXtended Detection and Response |
| XGA | Extended Graphics Array |
| XML | Extensible Markup Language |
| XSS | Cross-Site Scripting |
| XT | Extended Technology |
| Y2K | Year 2000 Bug |
| YAML | Yet Another Markup Language |
| ZFS | Zettabyte File System |
| ZIF | Zero Insertion Force |
| ZIP | Zone Improvement Plan (file compression) |
| ZKP | Zero-Knowledge Proof |
| ZLIB | Compression Library |
| ZRAM | Compressed RAM Disk |
| ZTS | Zend Thread Safety |
| ZUI | Zoomable User Interface |
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