SET – A

 AAC: Advanced Audio Coding. 

ABI: Application Binary Interface.

AHA: Accelerated Hub Architecture. 

ALGOL: Algorithmic Language.

AJAX: Asynchronous JavaScript and XML.

ABR: Available Bit Rate.

AD: Active Directory.

ADC: Analog – to – Digital Converter / Apple Display Connector (DVI Variant).

ALU: Arithmetic Logical Unit. 

AMD: Advanced Micro Devices. 

AMR: Audio Modern Riser.

APCI: Application – Layer Protocol Control Information. 

ASP: Application Service Provider / Active Server Pages. 

AST: Abstract Syntax Tree.

ATA: Advanced Technology Attachment. 

API: Application Programming Interface.

AVC: Advanced Video Coding.

AVI: Audio Video Interleaved. 

AWT: Abstract Window ToolKit.

ARPANET: Advanced Research Projects Agency Network.

ASCII: American Standard Code for Information Interchange

 ATM: Asynchronous Transfer Mode.

SET – B

BAL: Basic Assembly Language. 

BER: Bit Error Rate.

BFD: Binary File Descriptor.

BGP: Border Gateway Protocol. 

BiDi: Bi-Directional.

BIN: Binary.

BASIC: Beginner All-Purpose Symbolic Instruction Code. 

BCD: Binary Coded Decimal.

BINAC: Binary Automatic Computer. 

BIOS: Basic Input Output System.

BPS: Bits Per Second.

BMP: Basic Multilingual Plane. 

BT: BitTorrent / Bluetooth.

BW: Bandwidth. BIT: A Binary Digit.

BLOB: Binary Large Object. 

BLOG: Web Log.

SET – C

 CAI: Computer–Aided Instruction.

CAQA: Computer–Aided Quality Assurance. 

CC: C Compiler / Carbon Copy.

CAD: Computer-Aided Design. 

CAE: Computer – AidedComputer–AidedEngineering.

CD: Compact Disk / Change Directory. 

CDMA: Code Division Multiple Access.

CD-RW: Compact Disk – Rewritable.

CG: Computer Graphics. 

CGA: Color Graphics Array.

CD-R: Compact Disk – Recordable.

CD-ROM: Compact Disk – Read – Only Memory.

CGI: Common Gateway Interface / Computer–Generated Imaginary. 

CMOS: Complementary Metal – Oxide Semiconductor.

CLI: Command Line Interface.

CNC: Computer Numerical Control.

COBOL: Common Business–Oriented Language. 

CIFS: Common Internet File System.

CIM: Common Information Model. 

CPU: Central Processing Unit.

CRS: Computer Reservation System. 

CTR: Cathode Ray Tube.

CTL: Computation Tree Logic.

CTS: Clear to Send.

CUA: Common User Access. 

CSI: Common System Interface.

CSV: Comma – Separated Values.

CTCP: Client – to – Client Protocol.

SET – D

DAT: Digital Audio Tape.

DB: Database.

DCC: Direct Client – to – Client. 

DDR: Double Data Rate.

DES: Data Encryption Standard. 

DFD: Data Flow Diagram.

DAO: Data Access Objects.

DAP: Direct Access Protocol.

DFS: Distributed File System. 

DBA: Database Administrator.

DBMS: Database Management System.

DHTML: Dynamic Hyper Text Markup Language. 

DIVX: Digital Video Express.

DVE: Digital Video Effects. 

DNS: Domain Name System. 

DOS: Disk Operating System. 

DPI: Dots per INCH.

DOS-PMI: Disk Operating System – Protected Mode Interface.

DLL: Dynamic Link Library.

DLP: Digital Light Processing.

DMA: Direct Memory Access.

DSL: Digital Subscriber Line / Domain – Specific Language. 

DVD-RW: Digital Versatile Disk – Rewritable.

DVI: Digital Visual Interface. 

DVR: Digital Video Recorder.

DVD-R: Digital Versatile Disk – Recordable. 

DBSN: Database Source Name (ODBC).

DTE: Data Terminal Equipment. 

DTR: Data Terminal Ready.

DVD: Digital Versatile Disk / Digital Video Disk.

DVD-ROM: Digital Versatile Disk – Read Only Memory.

SET – E

ECU: Extended Unix Code. 

EST: Electrostatic Discharge. 

EXE: Executable.

EBCDIC: Extended Binary Coded Decimal Interchange Code.

EEPROM: Electronically Erasable Programmable Read Only memory. 

ENIAC: Electronic Numerical Integrator and Computer.

EOF: End of File. 

EOL: End of Line.

EOM: End of Message.

EPROM: Erasable Programmable Read Only Memory. 

EID: Electronic ID Card.

EIGRP: Enhanced Interior Gateway Routing Protocol

 ELF: Executable and Linkable Format.

ELM: Electronic Mail.

SET – F

FS: File System.

FSB: Front Side Bus.

FTP: File Transfer Protocol. 

FXP: File Exchange Protocol. 

FAT: File Allocation Table.

FAQ: Frequently Asked Questions. 

FDC: Floppy Disk Controller.

FHS: Filesystem Hierarchy Standard

 FCS: Frame Check Sequence.

FPU: Floating Point Unit. 

FDD: Floppy Disk Drive.

FDMA: Frequency-Division Multiple Access.

FIFO: First In First Out.

SET – G

 Gb: Gigabit.

GPRS: General Packet Radio Service. 

GPU: Graphics Processing Unit.

GUI: Graphical User Interface. 

GB: Gigabyte.

GIGO: Garbage In Garbage Out.

GPL: General Public License. 

GCR: Group Code Recording. 

GDI: Graphics Device Interface.

GIF: Graphics Interchange Format.

SET – H

HTM: Hierarchical Temporal Memory.

HTML: Hypertext Markup Language. 

HTTP: Hypertext Transfer Protocol.

HTTPD: Hypertext Transfer Protocol Daemon

HAL: Hardware Abstraction Layer.

HCI: Human-Computer Interaction. 

HID: Human Interface Device.

HIG: Human Interface Guidelines. 

HP: Hewlett-Packard.

HPFS: High-Performance File System. 

HT: Hyper-Threading.

HD: High Density. 

HDD: Hard Disk Drive.

HD DVD: High Definition DVD.

HDL: Hardware Description Language.

HHD: Hybrid Hard Drive.

HTX: Hyper Transport Expansion. 

HURD: Hird of Unix-Replacing Daemons. 

HVD: Holographic Versatile Disk.

HZ: Hertz.

SET – I

ICP: Internet Cache Protocol.

ICT: Information and Communication Technology. 

IDL: Interface Definition Language.

IDE: Integrated Development Environment / Integrated Drive  Electronics.

IE: Internet Explorer.

IGMP: Internet Group Management Protocol. 

IMAP: Internet Message Access Protocol.

I/O: Input / Output. 

IP: Internet Protocol.

IGRP: Interior Gateway Routing Protocol. 

IBM: International Business Machines.

IC: Integrated Circuit.

ICMP: Internet Control Message Protocol.

IHV: Independent Hardware Vendor.

IIOP: Internet Iner-Orb-Protocol. 

IIS: Internet Information Server. 

IM: Instant Messaging.

IPC: Inter-Process Communication. 

IPP: Internet Printing Protocol.

IPsec: Internet Protocol Security. 

IPTV: Internet Protocol Television. 

IPX: Internetwork Packet Exchange. 

IRC: Internet Relay Chat.

IrDA: Infrared Data Association. 

IRP: I/O Request Packet.

IRQ: Interrupt Request. 

ISC: Internet Storm Center.

ISO: International Organisation for Standardization.

IT: Information Technology.

ITU: International Telecommunication Union.

ISOC: Internet Society.

ISP: Internet Service Provider. 

ISR: Interrupt Service Routine.

ISV: Independent Software Vendor.

SET – J

JPEG: Joint Photographic Experts Group. 

JRE: Java Runtime Environment.

JS: Java Script.

JSON: JavaScript Object Notation. 

JSP: Java Server Pages.

J2EE: Java 2 Enterprise Edition. 

J2ME: Java 2 Micro Edition.

J2SE: Java 2 Standard Edition. 

JDK: Java Development KIT. 

JUG: Java User Group.

SET – K

KHz: Kilohertz.

KB: Kilobyte.

Kb: Kilobit.

KBPS: Kilobit per second.

KVM: Keyboard, Video, Mouse.

SET – L

LSB: Least Significant Bit.

LAN: Local Area Network. 

LED: Light-Emitting Diode. 

LIFO: Last In First Out.

SET – M

MBCS: Multi Byte Character Set. 

MBR: Master Boot Record.

MDI: Multiple Document Interface.

MICR: Magnetic Ink Character Recognition. 

MAN: Metropolitan Area Network.

MANET: Mobile Ad-Hoc Network.

Mb: Megabit.

MB: Megabyte.

MIDI: Musical Instrument Digital Interface. 

MMU: Memory Management Unit.

MMX: Multi-Media Extensions.

MNG: Multiple-image Network Graphics.

MOSFET: Metal-Oxide Semiconductor Field Effect Transistor.

MIMO: Multiple-Input Multiple Output.

MIPS: Million Instructions Per Second.

MIME: Multipurpose Internet Mail Extensions. 

MHz: Megahertz.

MPEG: Motion Pictures (coding) Experts Group

 MVS: Multiple Vendor System.

MPL: Mozilla Public License. 

MSB: Most Significant Bit.

MS-DOS: Microsoft Disk Operating System.

SET – N

NOP: NO  Operation.

NOS: Network Operating System. 

NT (Windows): New Technology. 

NTFS: NT File System.

NFS: Network File System.

NIC: Network Interface Controller. 

NIO: New I/O.

NMI: Non-Maskable Interrupt.

NNTP: Network News Transfer Protocol. 

NTP: Network Time Protocol.

NVRAM: Non-Volatile Random Access Memory.

SET – O

OS: Operating System.

OSS: Open Source Software. 

OCR: Optical Character Reader.

OOP: Object-Oriented Programming. 

OPML: Outline Processor Markup Language.

SET – P

PATA: Parallel ATA.

PC: Personal Computer. 

PCB: Printed Circuit Board.

PC DOS: Personal Computer Disk Operating System. 

P2P: Peer-To-Peer.

PAN: Personal Area Network.

PAP: Password Authentication Protocol. 

PCI: Peripheral Component Interconnect. 

PCIe: PCI Express.

PCL: Printer Command Language.

PERL: Practical Extraction and Reporting Language. 

PIO: Programmed Input/Output.

PLC: Power Line Communication / Programmable Logic Controller.

Pnp: Plug-and-Play. 

PGA: Pin Grid Array.

PHP:  Hypertext Preprocessor.

PIC: Peripheral Interface Controller / Programmable Interrupt Controller.

PINE: Program for Internet News & Email. 

PoE: Power Over Ethernet.

POST: Power-On Self Test. 

PPC: Power PC.

PPI: Pixels Per Inch.

PPP: Point-to-Point Protocol. 

PPPoA: PPP over ATM.

PPPoE: PPP over Ethernet.

PPTP: Point-to-Point Tunneling Protocol. 

PSU: Power Supply Unit.

SET – Q

QFP: Quick File Access. 

QDR: Quad Data Rate.

QFP: Quad Flat Package. 

QoS: Quality of Service.

SET – R

RAIT: Redundant Array of Inexpensive Tapes

. RAM: Random Access Memory.

RARP: Reverse Address Resolution Protocol. 

RAD: Rapid Application Development.

RADIUS: Remote Authentication Dial In User Service. 

RAID: Redundant Array of Independent Disks.

RDBMS: Relation Database Management System. 

RDF: Resource Description Framework.

REEAL: Recursive Functions Algorithmic Language. 

RF: Radio Frequency.

RGB: Red, Green, Blue (RGBA– Red, Green, Blue, Alpha).

RTOS: Real Time Operating System.

RIP: Routing Information Protocol. 

ROM: Read Only Memory.

ROMB: Read-Out Motherboard.

ROM-DOS: Read Only Memory-Disk Operating System.

SET – S

SDL: Simple Direct Media Layer. 

SDN: Service Delivery Network. 

SDR: Software-Defined Radio.

SAN: Storage Area Network. 

SATA: Serial ATA.

SAX: Simple API of XML. 

SBP-2: Serial Bus Protocol 2. 

SBU: Standard Build Unit.

SCSI: Small Computer System Interface.

SDRAM: Synchronous Dynamic Random Access Memory. 

SFTP: Secure FTP/Simple File Transfer Protocol.

SHDSL: Single-pair High-speed Digital Subscriber Line. 

SPI: Serial Peripheral Interface.

SQL: Structured Query Language. 

SUS: Single UNIX Specification.

SVD: Structured VLSI Design. 

SVG: Scalable Vector Graphics.

SIMD: Single Instruction, Multiple Data.

SIMM: Single Inline Memory Module. 

SMBIOS: System Management BIOS.

SMTP: Simple Mail Transfer Protocol. 

SP: Service Pack.

SVGA: Super Video Graphics Array.

SET – T

TDMA: Time Division Multiple Access.

tmp: Temporary.

TTA: True Tap Audio. 

TTF: True Type Font. 

TB: TeraByte.

TCP: Transmission Control Protocol.

TCP/IP: Transmission Control Protocol / Internet Protocol. 

TTL: Transistor-Transistor-Logic.

TTS: Text-to-Speech

TTY: Teletype.

SET – U

UEFI: Unified Extensible Firmware Interface. 

UI: User Interface.

UL: Upload.

UAC: User Account Control.

UART: Universal Asynchronous Receiver Transmitter. 

UPS: Uninterruptible Power Supply.

URI: Uniform Resource Identifier. 

URL: Uniform Resource Locator. 

URN: Uniform Resource Name.

USB: Universal Serial Bus.

UTF: Unicode Transformation Format. 

UTP: Unshielded Twisted Pair.

SET – V

VAR: Variable. 

VB: Visual Basic.

VBA: Visual Basic for Applications. 

VBS: Visual Basic Script.

VFAT: Virtual FAT.

VFS: Virtual File System.

VGA: Video Graphics Array. 

VT: Video Terminal.

VGCT: Video Graphics Character Table. V

LAN: Virtual Local Area Network.

VM: Virtual Memory. 

VOD: Video On Demand. 

VoIP: Voice Over IP.

VPN: Virtual Private Network. 

VPU: Visual Processing Unit.

SET – W

WAN: Wide Area Network. 

WAP: Wireless Access Protocol. 

Wi-Fi: Wireless Fidelity.

WinFS: Windows Future Storage.

WSDL: Web Services Description Language.

WUSB: Wireless Universal Serial Bus.

WWAN: Wireless Wide Area Network.

WWID: World Wide Identifier.