| Mnemonic | MEANING |
| AGP | Accelerated Graphics Port |
| ANSI | American National Standards Institute |
| API | Application Programming Interface |
| APIPA | Automatic Private Internet Protocol Addressing |
| ARP | Address Resolution Protocol |
| ASCII | American Standard Code for Information Interchange |
| ASPI | Advanced SCSI Program Interface |
| ATAPI | AT Attachment Package Interface |
| ATM | Asynchronous Transfer Mode |
| BBS | Bulletin Board System |
| BDC | Backup Domain Controller |
| BI-DI | Bi-directional |
| BIOS | Basic Input Output System |
| BMP | Bitmap image |
| BNC | Bayonet Neill Concellman |
| BOOTP | BOOT Prom |
| bps | bits per second |
| BTT | |
| CDB | Command Descriptor Blocks |
| CMOS | Complimentary Metal Oxide Silicon |
| CDFS | Compact Disk File System (replaces MSCDEX) |
| CD-ROM | Compact Disk - Read Only Memory |
| CNAME | Canonical Name resource record |
| CPU | Central Processing Unit |
| CRC | Cyclical Redundancy Check |
| CSMA/CD | Carrier Sense Multiple Access with Collision Detection |
| DBSet | |
| DCE | Data Comm Exchange |
| DDI | Device Driver Interface |
| DHCP | Dynamic Host Configuration Protocol |
| DIB | Device Independent Bitmap |
| DIMM | Dual In-line Memory Module |
| DLC | Data Link Control (protocol) |
| DLL | Dynamic Link Library |
| DNS | Domain Name System |
| DOS | Disk Operating System |
| DVD | None, Ex Digital Versatile/Video Disk |
| ECP | Enhanced Capabilities Port |
| EDO | Extended Data Output |
| EEPROM | Electrically Erasable Programmable Read Only Memory |
| EIDE | Enhanced Integrated Drive Electronics |
| EISA | Enhanced Industry Standard Architecture |
| EPP | Enhanced Parallel Port |
| EPROM | Erasable Programmable Read Only Memory |
| FAT | File Allocation Table |
| FAT32 | 32-bit File Allocation Table |
| FDD | Floppy Disk Drive |
| FDDI | Fiber Distributed Data Interface |
| FPNW | File and Print sharing for NetWare |
| FQDN | Fully Qualified Domain Name |
| FTP | File Transfer Protocol |
| GDI | Graphical Device Interface |
| GIF | Graphics Interchange Format |
| GUI | Graphical User Interface |
| HDD | Hard Disk Drive |
| HPFS | OS/2 File System |
| HTML | HyperText Markup Language |
| HTTP | HyperText Transfer Protocol |
| IANA | Internet Assigned Numbers Authority |
| ICMP | Internet Control Message Protocol |
| IDE | Integrated Drive Electronics |
| IFS | Installable File System (manager) |
| IHV | Independent Hardware Vendor |
| IIS | Internet Information Server |
| INIC | Internet Network Information Centre |
| IP | Internet Protocol |
| IPC | Inter - Process Communication |
| IPX | Internetwork Packet Exchange |
| ISDN | Integrated Services Digital Network |
| ISP | Internet Service Provider |
| LAN | Local Area Network |
| LFN | Long File Name |
| LPT | Line Print Terminal |
| JPEG | Joint Photographic Experts Group |
| MAC | Media Access Control |
| MAPI | Messaging Application Programming Interface |
| MAU | Multistation Access Point |
| MCI | Media Control Interface |
| MIDI | Musical Instrument Digital Interface |
| MMP | Multichassis Multilink Point to point protocol |
| NCP | Netware Core Protocol |
| NDIS | Network Driver Interface Specification |
| NDS | Netware Directory Services |
| NetBEUI | NETBIOS Extended User Interface |
| NetBIOS | Network Basic Input/Output System |
| NetDDE | Network Dynamic Data Exchange |
| NetX | Netware shell (real mode) |
| NIC | Network Interface Card |
| NOS | Network Operating System |
| NT | New Technology |
| NTFS | NT File System |
| ODI | Open Datalink Interface (I.e. Novell) |
| OEM | Original Equipment Manufacturers |
| OLE | Object Linking and Embedding |
| OSI | Open System Interconnect model |
| PCI | Peripheral Component Interconnect |
| PCMCIA | Personal Computer Memory Card International Association |
| PDC | Primary Domain Controller |
| PIC | Programmable Interrupt Controller |
| PPP | Point to Point Protocol |
| PPTP | Point to Point Tunneling Protocol |
| PSTN | Public Switched Telephone Network |
| PWS | Personal Web Server |
| RAM | Random Access Memory |
| RARP | Reverse Address Resolution Protocol |
| RAS | Remote Access Service |
| RFC | Request For Comment |
| RIP | Routing Information Protocol |
| RPC | Remote Procedure Calls |
| SAP | Service Addressing Protocol |
| SCSI | Small Computer Systems Interface |
| SDRAM | Synchronous Dynamic Ram |
| SIMM | Single In-Line Memory Module |
| SLIP | Serial Line Internet Protocol |
| SMB | Server Message Blocks |
| SNMP | Simple Network Management Protocol |
| SOA | Start Of Authority resource record |
| SPP | Standard Parallel Port |
| SPX | Sequenced Packet Exchange |
| STP | Shielded Twisted Pair |
| TAPI | Telephony Application Programming Interface |
| TCP | Transmission Control Protocol |
| TDI | Transport Driver Interface |
| TFTP | Trivial File Tranfer Protocol |
| TLD | Top Level Domain |
| TSR | Terminate and Stay Resident |
| TTL | Time To Live |
| TWAIN | Technology Without An Important Name |
| UART | Universal Asynchronous Receiver Transmitter |
| UDP | User Datagram Protocol |
| UNC | Universal Naming Convention |
| UNIX | Pun based on earlier Multics operating system |
| URL | Uniform Resource Locater |
| UTP | Unsheaved Twisted Pair |
| VESA | Video Electronic Standards Association |
| VFAT | Virtualised File Allocation Table for 32bit file access |
| VLM | Virtual Loadable Modules |
| VMS | Virtual Memory System |
| VPN | Virtual Private Network |
| WDM | Win32 Device Manager |
| WINS | Windows Internet Name Service |
| WWW | World Wide Web |
Last Updated on 23/05/08
By Tina Cordon