| 3DNow! | Multi-Media Extensions (AMD) |
| AC | Alternating Current |
| ACPI | Advanced Configuration and Power Interface |
| ACR | Advanced Communications Riser |
| AE | Applications Engineer |
| AFS | Andrew File System |
| AGP | Accelerated Graphics Port |
| AI | Artificial Intelligence |
| ALU | Arithmetic-Logic Unit |
| AM | Amplitude Modulated |
| AMD | Advanced Micro Devices, Inc. |
| AMD | Air Moving Device (aka fan) |
| AMI | American Megatrends Inc. |
| AMR | Audio Modem Riser |
| ANSI | American National Standards Institute |
| APIC | Advanced Programmable Interrupt Controller |
| APM | Advanced Power Management |
| ASCII | American Standard Code for Information Interchange |
| ASIC | Application Specific Integrated Circuit |
| ASPI | Advanced SCSI Programming Interface |
| AT | Advanced Technology |
| ATA | AT bus Attachment |
| ATAPI | ATA Packet Interface |
| ATDM | Asynchronous Time Division Multiplexing |
| ATM | Asynchronous Transfer Mode |
| ATX | AT eXtended |
| AUI | Attached Unit Interface |
| BBS | Bulletin Board System |
| BCC | Block Check Character |
| BCD | Binary Coded Decimal |
| BE | Back End |
| BEDO | Burst EDO |
| BiCMOS | Bipolar Complementary Metal-Oxide Semiconductor |
| BIOS | Basic Input / Output System |
| BMB | Baseboard Management Bus |
| BNC | Bayonet Nut Connector |
| BPS/bps | Bytes/bits Per Second |
| BSC | Binary Synchronous Communications |
| BSD | Berkeley Standard Distribution |
| BT | Base Transmit |
| BTU | British Thermal Units |
| CAD | Computer Aided Design |
| CAM | Computer Aided Manufacturing |
| CAM | Content Addressable Memory |
| CAM | Common Access Method |
| CAS | Column Address Strobe |
| CBX | Common Branch eXtender |
| CCD | Charge Coupled Device |
| CCITT | Consultative Committee of International Telephony and Telegraphy |
| CD | Carrier Detect |
| CDDI | Copper Distributed Data Interface |
| CDROM | Compact Disk Read Only Memory |
| CGA | Colour Graphics Adapter |
| CHS | Cylinder Head Sector |
| CISC | Complex Instruction-Set Computer |
| CLA | Carry Look-ahead Adder |
| CMOS | Complementary Metal-Oxide Semiconductor |
| CNR | Communications and Network Riser |
| CODEC | |
| CP/M | Control Program / Monitor |
| CPI | Clocks Per Instruction |
| CPU | Central Processing Unit |
| CQFP | Ceramic Quad Flat Pack |
| CR | Carriage Return |
| CRC | Cyclical Redundancy Check |
| CRIMM | Continuity RIMM |
| CRQ | Command Response Queue |
| CRT | Cathode Ray Tube |
| CS | Chip Select |
| CSMA/CD | Carrier Sense Multiple-Access /with Collision Detect |
| CSR | Command Status Register |
| CST | Container Security Breach (aka door open) |
| CTS | Clear To Send |
| DAT | Digital Audio Tape |
| DBI | Dynamic Bus Inversion |
| DC | Direct Current |
| DCD | Data Carrier Detect |
| DCE | Data Circuit-terminating Equipment |
| DD | Double Density |
| DDC | Display Data Channel |
| DDR | Double Data Rate |
| DEC | Digital Equipment Corporation |
| DES | Data Encryption Standard |
| DHCP | Dynamic Host Configuration Protocol |
| DID | Direct Inward Dial |
| DIMM | Dual Inline Memory Module |
| DIN | Deutsche Industrie Norm (German) |
| DIP | Dual-In-line Package |
| DIS | Draft International Standard |
| DMA | Direct Memory Access |
| DMI | Desktop Management Interface |
| DOS | Disk Operating System |
| DP | Dual Processor |
| DPE | Data Parity Error |
| DPSK | Differential Phase Shift Keying |
| DRAM | Dynamic Random Access Memory |
| DRDOS | Digital Research Disk Operating System |
| DRM | Dual Retention Mechanism |
| DS | Double Sided |
| DSP | Digital Signal Processor |
| DSR | Data Set Ready |
| DTC | Data Terminal Controller |
| DTE | Data Terminating Equipment |
| DTMF | Dual-Tone Multi-Frequency |
| DTR | Data Terminal Ready |
| DVD | Digital Video/Versatile Device/Disk |
| EBCDIC | Extended Binary Coded Decimal Interchange Code |
| EC | Error Check |
| ECC | Error Check and Correction |
| ECL | Emitter-Coupled Logic |
| ECO | Engineering Change Order |
| ECP | Enhanced Communication Port |
| ECP | Extended Capabilities Port |
| ECU | EISA Configuration Utility |
| EDO | Extended Data Out RAM |
| EDPT | Enhanced Disk Parameter Table |
| EEPROM | Electrically Erasable Programmable Read Only Memory |
| EFI | Extensible Firmware Hub |
| EGA | Enhanced Graphics Adapter |
| EIA | Electronic Industries Association |
| EIDE | Enhanced Integrated Device Electronics |
| EISA | Enhanced Industry Standard Architecture |
| EMC | Electro-Magnetic Compatibility |
| EMF | Electro-Magnetic Force |
| EMI | Electro-Magnetic Interference |
| EMS | Expanded Memory Specification |
| EOF | End Of File |
| EOL | End Of Line |
| EOS | Electrical Over Stress |
| EPP | Enhanced Parallel Port |
| EPROM | Erasable Programmable Read Only Memory |
| ESCD | Extended System Configuration Data |
| ESD | Electro-Static Discharge |
| ESDI | Enhanced Small Devices Interface |
| FAT | File Allocation Table |
| FCC | Federal Communications Commission |
| FDD | Fixed / Floppy Disk Drive |
| FDDI | Fiber Distributed Data Interface |
| FDM | Frequency Division Multiplexing |
| FDX | Full-Duplex Transmission |
| FE | Front End |
| FEP | Front End Processor |
| FF | Form Feed |
| FIFO | First-In First-Out |
| FILO | First-In Last-Out |
| FM | Frequency Modulation |
| FPGA | Field Programmable Gate Array |
| FPM | Fast Page Mode RAM |
| FPU | Floating Point Unit |
| FRC | Functional Redundancy Checking |
| FRU | Field-Replaceable Unit |
| FSB | Front Side Bus |
| FSF | Free Software Foundation |
| FSK | Frequency Shifty Keying |
| FTP | File Transfer Program |
| FWH | Firmware Hub |
| GAS | Gallium Arsenide |
| GFLOPS | Billions of FLOating Point Operations Per Second (GigaFlops) |
| GNU | Gnu's Not UNIX |
| GUI | Graphical User Interface |
| GXB | Graphic eXpansion Bridge |
| HBA | Host Bus Adapter |
| HD | High Density / Hard Disk |
| HDD | Hard Disk Drive |
| HDX | Half-Duplex Transmission |
| HFS | Hierarchical File System |
| HPFS | High Performance File System |
| HS | Helical Scan |
| I/O | Input / Output |
| I2C | Intelligent Controller |
| IA | Intel Architecture |
| IB | In-Bound |
| IBM | International Business Machines Corporation |
| IC | Integrated Circuit |
| ICMP | Internet Control Message Protocol |
| IDC | Insulation Displacement Connector |
| IDE | Integrated Device Electronics |
| IEEE | Institute of Electrical and Electronic Engineers |
| IFB | I/O and Firmware Bridge |
| IMP | Interface Message Processor |
| IOAPIC | Input Output Advanced PIC |
| IPC | Inter Process Communication |
| IPX | Inter network Packet eXchange |
| IR | Infra-Red |
| IRQ | Interrupt ReQuest |
| ISA | Industry Standard Architecture |
| ISDN | Integrated Services Digital Network |
| ISO | International Standards Organisation |
| ITP | In-Target Probe |
| JFS | Journalised File System |
| kVA | KiloVolt-Amps |
| LAN | Local Area Network |
| LBA | Linear Block Array / Addressing |
| LCD | Liquid Crystal Display |
| LED | Light Emitting Diode |
| LF | Line Feed |
| LIM | Lotus/Intel/Microsoft's Expanded Memory Manager (EMS) |
| LRU | Least-Recently Used |
| LSB/lsb | Least Significant Byte/bit |
| LSI | Large Scale Integration |
| LVD | Low Voltage Differential |
| LUN | Logical Unit Number |
| MAN | Metropolitan Area Network |
| MB/Mb | Mega Bytes/bits |
| MBR | Master Boot Record |
| MCA | Micro Channel Architecture |
| MCGA | Multi-Colour Graphics Array |
| MCH | Memory Controller Hub |
| MCM | Multi-Chip Module |
| MDC | Memory Data Component |
| MDRAM | Multi-bank RAM |
| MEC | Memory Expansion Cards |
| MFLOPS | Millions of FLOating Point Operations per Second (MegaFlops) |
| MFM | Modified Frequency Modulated |
| MHz | MegaHertz |
| MICR | Magnetic Ink Character Recognition |
| MIDI | Musical Instrument Data Interface |
| MIMD | Multiple-Instruction Multiple-Data |
| MIPS | Millions of Instructions per Second |
| MISD | Multiple-Instruction Single Data |
| MMU | Memory Management Unit |
| MMX | Multi-Media Extensions |
| MNP | Microcom Network Protocol |
| MODEM | MOdulator / DEModulator |
| MOPS | Millions of Operations Per Second |
| MOS | Metal-Oxide Semiconductor |
| MP | Multi-Processor |
| MPP | Massively Parallel Processor |
| MPS | Multi-Processor System |
| MPT | Memory Protocol Translator |
| MSB/msb | Most Significant Byte/bit |
| MSDOS | Microsoft's Disk Operating System |
| MSI | Medium Scale Integration |
| MTBF | Mean Time Between Failure |
| MTH | Memory Translator Hub |
| N/C | No-Connect |
| NBS | National Bureau of Standards |
| NEMA | National Electrical Manufacturers Association |
| NFS | Network File System |
| NFU | Not-Frequently Used |
| NIC | Network Interface Card |
| NMI | Non-Maskable Interrupt |
| NMOS | Negatively doped Metal-Oxide Semiconductor |
| NOP | No OPeration |
| NRU | Not-Recently Used |
| NSF | National Science Foundation |
| NVRAM | NonVolatile Random Access Memory |
| OAP | Outside Awareness Panel (aka window) |
| OB | OutBound |
| OCR | Optical Character Recognition |
| ODI | Open Datalink Interface |
| OEM | Original Equipment Manufacturer |
| OS | Operating System |
| OSF | Open Software Foundation |
| OSI | Open Systems Interconnect |
| PAC | PCI AGP Controller |
| PAL/PLA | Programmable Array Logic / Logic Array |
| PAL | Processor Abstraction Layer |
| PB | Push Button |
| PBX | Private Branch eXtender |
| PC | Personal Computer, Program Counter |
| PCB | Printed Circuit Board |
| PCI | Peripheral Component Interconnect |
| PCM | Pulse Code Modulation |
| PCMCIA | Personal Computer Memory Card International Association |
| PE | Processor Element |
| PFC | Power Factor Correction |
| PFF | Page Fault Frequency |
| PGA | Professional Graphics Array |
| PGA | Pin Grid Array |
| PIC | Programmable Interrupt Controller |
| PIO | Programmed Input / Output |
| PIROM | Processor Information ROM |
| PLCC | Plastic Leaded Chip Carrier |
| PLL | Phase Locked Loop |
| PM | Preventive Maintenance |
| PME | Power Management Event |
| PMOS | Positively doped Metal-Oxide Semiconductor |
| PnP | Plug-and-Play |
| POST | Power On Self Test |
| PPP | Point-to-Point Protocol |
| PQFP | Plastic Quad Flat Pack |
| PROM | Programmable Read Only Memory |
| PSIPC | PCI Super I/O Integrated Peripheral Controller |
| PSTN | Public Switched Telephone Network |
| PTE | Page Table Entry |
| PXB | PCI eXpansion Bridge |
| PXE | Pre-Boot eXecution Environment |
| QAM | Quadrature Amplitude Modulation |
| QFP | Quad Flat Pack |
| QIC | Quarter Inch Cartridge |
| RAID | Redundant Arrays of Inexpensive Disks |
| RAM | Random Access Memory |
| RAMDAC | Random Access Memory Digital to Analogue Converter |
| RAS | Row Address Strobe |
| RCA | Radio Corporation of America |
| RCC | Routing Control Centre |
| RDRAM | Rambus DRAM |
| RFC | Request For Comments |
| RFI | Radio Frequency Interference |
| RI | Ring Indicator |
| RIMM | Rambus Inline Memory Module |
| RISC | Reduced Instruction-Set Computer |
| RLL | Run Length Limited |
| RMS | Root Mean Squared |
| RMW | Read Modify Write |
| ROM | Read Only Memory |
| RPC | Remote Procedure Call |
| RPM | Rotations Per Minute |
| RTC | Real Time Clock |
| RTS | Request To Send |
| SAL | System Abstraction Layer |
| SAM | Sequential Access Memory |
| SASI | Shugart Associates Standard Interface |
| SCI | Special Circumstance Instructions |
| SCSI | Small Computer Systems Interface |
| SD | Single Density |
| SDLC | Synchronous Data Link Control |
| SDRAM | Synchronous Dynamic RAM |
| SDRAM BDDR II | Bi-Directional Strobed DDR SDRAM |
| SDRAM DDR II | Double Data Rate SDRAM |
| SE | Systems Engineer |
| SEC | Single Edge Contact |
| SECC | Single Edge Contact Cartridge |
| SFF | Small Form Factor |
| SGRAM | Synchronous Graphics RAM |
| SIMD | Single-Instruction Multiple-Data |
| SIMM | Single Inline Memory Module |
| SIPP | Single Inline Pinned Package |
| SISD | Single-Instruction Single-Data |
| SLIP | Serial Line Internet Protocol |
| SMBUS | System Management Bus |
| SMD | Surface Mount Device |
| SMI | System Management Interrupt |
| SMP | Symmetric Multi-Processing |
| SMT | Surface Mount Technology |
| SMT | Symmetric Multi-Threading |
| SNA | System Network Architecture |
| SNR | Signal to Noise Ratio |
| SO/SOL | Small Out Line |
| SOIC | Small Outline Integrated Circuit |
| SPDIF | Serial Data Interface |
| SPOOL | Simultaneous Peripheral Operation On Line |
| SPT | Sectors Per Track |
| SPU | Single Processor Unit |
| SRAM | Static Random Access Memory |
| SS | Single Sided |
| SSE | Streaming SIMD Extensions |
| SSE2 | Streaming SIMD Extensions 2 |
| STDM | Synchronous Time Division Multiplexing |
| STN | Super Twisted Nematic |
| STR | Suspend To RAM |
| STU | Streaming Tape Unit |
| SVGA | Super Video Graphics Array |
| TCM | Trellis Code Modulation |
| TCP/IP | Transmission Control Protocol / Internet Protocol |
| TDM | Time Division Multiplexing |
| TI | Texas Instruments |
| TIA | Telecomm. Industry Association |
| TLB | Translation-Lookaside Buffer |
| TPI | Tracks Per Inch |
| TRANSISTOR | TRANSformer resISTOR |
| TSR | Terminate and Stay Resident |
| TTL | Transistor-Transistor Logic |
| TUV | Technischer Ueberwachuags Verein (German) |
| UAE | Unrecoverable Application Error |
| UART | Universal Asynchronous Receiver/Transmitter |
| UDP | User Datagram Protocol |
| UMB | Upper Memory Block |
| UPS | Un-interruptible Power Supply |
| USB | Universal Serial Bus |
| USL | UNIX System Labs |
| UUCP | UNIX to UNIX Copy Program |
| VBE | Video BIOS Extensions |
| VCR | Video Cassette Recorder |
| VESA | Video Enhanced Standards Association |
| VGA | Video Graphics Array |
| VID | Voltage ID |
| VLB | VESA Local Bus |
| VLIW | Very Long Instruction Word |
| VLSI | Very Large Scale Integration |
| VM | Virtual Memory |
| VME | Versa Module Euro-card |
| VRAM | Video Random Access Memory |
| VRT | Voltage Reduction Technology |
| VTR | Video Tape Recorder |
| WAN | Wide Area Network |
| WATS | Wide Area Telephone Service |
| WD | Western Digital |
| WOL | Wake-up On LAN |
| WORM | Write Once - Read-Many |
| WRAM | Window Random Access Memory |
| WS | Wait State |
| WXB | Wide eXpansion Bridge |
| XGA | eXtended Graphics Array |
| XMS | Extended Memory Specification |
| XOR | Exclusive-OR |
| XT | eXtended Technology |
| ZIF | Zero Insertion Force |
Note: Some of these acronyms are explained elsewhere...