A
AAC - Advanced Audio Code.
ABC - Atanasoff–Berry Computer.
ABI - Application Binary Interface
ABR - Available Bit Rate.
ACL - Access-Control List.
ACPI - Advanced Configuration and Power Interface.
AD - Active Directory.
ADC - Apple Display Connector.
ADC - Analog-to-Digital Converter.
ADSL - Asymmetric Digital Subscriber Line.
AGP - Accelerated Graphics Port.
AHA - Accelerated Hub Architecture.
AI - Artificial Intelligence.
AIFF - Audio Interchange File Format.
AIX - Advanced Interactive eXecutive.
AJAX - Asynchronous JavaScript And XML.
ALI - Acer Laboratories Incorporated. Or Acer Labs Inc.
ALI - Automatic Location Indicator.
ALU - Arithmetic Logic Unit.
ALT - Alternate.
ALGOL - Algorithmic Language.
AM - Amplitude Modulation.
AMD - Advanced Micro Devices.
AMP - Accelerated Mobile Pages.
AMR - Audio Modem Riser.
AMR - Adaptive Multi-Rate.
AMR-WB - Adaptive Multi-Rate Wideband.
ANSI - American National Standards Institute.
APC - Advanced Personal Computer.
APCI - Application-Layer Protocol Control Information.
API - Application Programming Interface.
APIPA - Automatic Private Internet Protocol Addressing.
APK - Android Application Package.
APM - Application Performance Management.
APM - Advanced Power Management.
APR - Apache Portable Runtime.
ARC - Adaptive Replacement Cache.
ARP - Address Resolution Protocol.
ARPANET - Advanced Research Projects Agency Network.
ASCC - Automatic Sequence Controlled Calculator.
ASCII - American Standard Code For Information Interchange.
APC - American Power Conversion.
ASIC - Application Specific Integrated Circuit.
ASPI - Advanced SCSI Programming Interface.
ASET - Automated Security Enhancement Tool.
ASF - Advanced Systems Format.
ASIC - Application-Specific Integrated Circuit.
ASL - Age, Sex, Location.
ASLR - Address Space Layout Randomization.
ASM - Algorithmic State Machine.
ASP - Application Service Provider.
ASP - Active Server Pages.
ASPI - Advanced SCSI Programming Interface.
ASR - Automated Speech Recognition.
ASR - Automated System Recovery.
AST - Abstract Syntax Tree.
AT - Advanced Technology.
AT - Active Terminator.
ATA - Advanced Technology Attachment.
ATI - Array Technologies Incorporated. Or Array Technologies Inc.
ATAPI - Advanced Technology Attachment Packet Interface.
ATM - Automated Teller Machine.
ATM - Asynchronous Transfer Mode.
ATX - Advanced Technology eXtended.
ATY - Advanced Technology Extended.
AVC - Advanced Video Coding.
AVI - Audio Video Interleave.
AWT - Abstract Windowing Toolkit.
B
BAL - Basic Assembly Language.
BASIC - Beginner's All-Purpose Symbolic Instruction Code.
BAT - Batch.
BB - Brontobyte.
BCC - Blind Carbon Copy.
BCC - Block Check Character.
BCD - Binary Coded Decimal.
BCR - Bar Code Reader Or Business Card Reader Or Backspace Card Reader.
BCR - Bar Code Reader.
BER - Bit Error Rate.
BFD - Bidirectional Forwarding Detection.
BFD - Binary File Descriptor.
BGP - Border Gateway Protocol.
BiDi - Bi-Directional.
BIN - BINary.
BINAC - Binary Automatic Computer.
BIOS - Basic Input/Output System.
BIPS - Billion Instructions Per Second.
Bit - Binary Digit.
BLOB - Binary Large OBject.
BLOG - Web Log.
BMP - Bitmap.
BMP - Basic Multilingual Plane.
BNA - Bunch Note Acceptor.
BNC - Bayonet Neill-concelman. Or Barrel Nut-Connector.
BOM - Byte Order Mark.
BPI - Bits Per Inch.
BPL - Broadband over Power Lines.
BPS - Bytes Per Second.
BPS - Bits Per Second.
BRI - Basic Rate Interface.
BSC - Binary Synchronous Communications.
BSD - Berkeley Software Distribution.
BT - Bluetooth.
BT - BitTorrent.
BTU - British Thermal Unit.
BTX - Balanced Technology eXtended.
BW - Business Warehousing.
BW - Bandwidth.
BWF - Broadcast Wave Format.
C
CAD - Computer-Aided Design.
CAE - Computer-Aided Engineering.
CAI - Computer-Assisted Instruction.
CAL - Computer-Aided Learning.
CAM - Computer-Aided Manufacturing.
CAN - Controller Area Network.
CAPTCHA - Completely Automated Public Turing test to tell Computers and Humans Apart.
CAQA - Computer-Aided Quality Assurance.
CAS - Column Address Strobe.
CAS - Central Authentication Service Or Column Address Signal.
CAT - Computer-Aided Translation.
CATIA - Computer Aided Three-Dimensional Interactive Application
CC - Carbon Copy.
CCD - Charged-Coupled Device.
CCTLD - Country Code Top-Level Domain.
CD - Compact Disk.
CD - Change Directory.
CDC - Control Data Corporation Or Control Data Cyber.
CDR - Compact Disc Recorder.
CDFS - Compact Disc File System.
CDMA - Code Division Multiple Access.
CDR - Call Detail Record.
CD-R - Compact Disk–Recordable.
CD-RW - Compact Disc-ReWritable.
CD-ROM - Compact-Disc Read-Only Memory.
CFM - Cubic Feet per Minute.
CG - Computer graphics.
CGA - Color Graphics Adapter.
CGI - Computer Generated Imagery.
CGI - Common Gateway Interface.
CIFS - Common Internet File System.
CIM - Computer Integrated manufacturing.
CIM - Common Information Model.
CISC - Complex Instruction Set Computing.
CL - Combinatory Logic.
CL - Command-Line.
CLI - Command Line Interface.
CLR - Common Language Runtime.
CMD - Command.
CMOS - Complementary Metal Oxide Semiconductor.
CNC - Computerized Numerical Control.
CNR - Communications and Networking Riser.
COBOL - Common Business Oriented Language.
CODASYL - Conference On Data System Language.
COM - Component Object Model.
COM1 - Communication Port 1.
COMAL - Common Algorithmic Language.
COMPUTER - Common Operating Machine Purposely Used for Technological and Educational Research.
CPM - Control Program For Microcomputer Or Cost Per Mille.
CPU - Central Processing Unit.
CPLD - Complex Programmable Logic Device.
CPPM - Content Protection for Prerecorded Media.
CPRM - Content Protection for Recordable Media.
CPS - Character Per Second.
CPU - Central Processing Unit.
CR - Carriage Return.
CRC - Cyclic Redundancy Check.
CRIMM - Continuity-Rambus Inline Memory Module.
CRM - Customer Relationship Management.
CRT - Cathode Ray Tube.
CRS - Computer Reservation System.
CS - Clear Screen.
CSCW - Computer Supported Cooperative Working.
CSI - Computer Society of India.
CSI - Common System Interface.
CSMA - Carrier Sense Multiple Access.
CSR - Certificate Signing Request.
CSR - Command Success Rate.
CSS - Cascading Style Sheets.
CSV - Comma Separated Values.
CTCP - Computer To Conventional Plate.
CTCP - Client-To-Client Protocol.
CTL - Computation Tree Logic.
CTR - Cathode Ray Tube.
CTR - Click-Through Rate.
CTRL - Control.
CTS - Cheque Truncation System.
CTS - Clear To Send.
CU - Control Unit.
CUA - Common User Access.
CUI - Character User Interface.
D
DAC - Digital-to-Analog Converter.
DAC - Discretionary Access Control.
DAO - Data Access Objects.
DAP - Direct Access Protocol.
DAT - Digital Audio Tape.
DB - DataBase.
DB - Decibel.
DBA - Data Base Administrator.
DBMS - Data Base Management System.
DBS - Data Bus Simulator.
DBSN - DataBase Source Name.
DCC - Direct Cable Connection.
DCC - Direct Client–to–Client.
DCD - Data Carrier Detect.
DCE - Data Circuit-terminating Equipment.
DCE - Data Carrier Equipment.
DCE - Distributed Computing Environment.
DCL - Data Control Language.
DCLDigital Command Language
DCSDistributed Control System
DD - Double Density.
DDoS - Distributed Denial of Service.
DDR - Double Data Rate.
DDR-SDRAM - Double Data Rate Synchronous Dynamic Random-Access Memory.
DDS - Digital Data Storage.
DDS - Device Driver Software.
DEC - Digital Equipment Corporation.
DEL - Direct Exchange Line.
DEL - Delete.
DES - Data Encryption Standard.
DFD - Data-Flow Diagram.
DFI - Design For Innovation.
DFS - Distributed File System.
DFS - Depth-First Search.
DHCP - Dynamic Host Configuration Protocol.
DHTML - Dynamic HyperText Markup Language.
DIF - Data Integrity Field.
DIMM - Dual Inline Memory Module.
DIN - Deutsche Industrie Norm.
DIP - Dual Inline Package.
DIVX - Digital Video eXpress.
DL - DataLink.
DL - Download.
DLL - Dynamic-Link Library
DLP - Digital Light Processing.
DLT - Digital Linear Tape.
DMA - Direct Memory Access.
DMCA - Digital Millennium Copyright Act.
DML - Data Manipulation Language.
DNS - Domain Name System.
DNS - Domain Name Server.
DOC - Document.
DOCX - Document eXtended.
DOM - Document Object Model.
DOS - Disk Operating System.
DoS - Denial-of-Service.
DOS-PMI - Disk Operating System–Protected Mode Interface.
DPE - Dynamic Provisioning Environment.
DPE - Data Parity Error.
DPI - Dots Per Inch.
DPI - Deep Packet Inspection.
DPMSDisplay Power Management Signaling.
DRAM - Dynamic Random Access Memory.
DS - Data Storage.
DS - Data System.
DSL - Digital Subscriber Line.
DSL - Domain-Specific Language.
DSN - Data Source Name.
DSP - Digital Signal Processing.
DSR - Data Set Ready.
DTA - Digital Telephone Adapter.
DTC - Data Terminal Controller.
DTE - Data Terminal Equipment.
DTP - Desktop Publishing.
DTR - Data Terminal Ready.
DTS - Digital Theater Sound.
DVD - Digital Versatile Disk.
DVD-R - Digital Versatile Disc-Recordable.
DVD-RW - Digital Versatile Disk-Rewritable.
DVD-ROM - Digital Versatile Disk Read-Only Memory.
DVD-RAM - Digital Versatile Disk-Random Access Memory.
DVE - Digital Video Effects.
DVI - Digital Visual Interface.
DVR - Digital Video Recorder.
DW - Data Warehouse.
E
EAI - Enterprise Application Integration.
EAP - Extensible Authentication Protocol.
EBCDIC - Extended Binary Coded Decimal Interchange Code.
EC - Error Check.
ECC - Error Correcting Code.
ECOM - Electronic Commerce.
ECP - Extended Capabilities Port.
ECP - Enhanced Communication Port.
ECS - Electronic Clearing Service.
ECS - Elitegroup Computer Systems.
ECU - Engine Control Unit.
E-Commerce - Electronic Commerce.
EDA - Electronic Design Automation.
EDO - Extended Data Output.
EDP - Electronic Data Processing.
EDSAC - Electronic Delay Storage Automatic Calculator.
EDVAC - Electronic Discrete Variable Automatic Computer.
EEPROM - Electronically Erasable Programmable Read-Only Memory.
EFS - Encrypting File System.
EFT - Electronic Funds Transfer.
EGA - Enhanced Graphics Adapter.
EID - Electronic Identity Document.
EID - Equipment Identifier.
EIDE - Enhanced Integrated Drive Electronics.
EIGRP - Enhanced Interior Gateway Routing Protocol.
EISA - Extended Industry Standard Architecture.
ELF - Executable and Linkable Format.
E-mail - Electronic Mail.
ELM - Electronic Mail.
EMI - Electromagnetic Interference.
EMM - Expanded Memory Manager.
EMP - Electromagnetic Pulse.
EMS - Element Management System.
EMS - Expanded Memory Specification.
ENIAC - Electronic Numerical Integrator And Calculator
EOM - End Of Message.
EOS - End Of Support.
EPG - Electronic Programming Guide.
EPIC - Explicitly Parallel Instruction Computing.
EPP - Enhanced Parallel Port.
EPROM - Erasable Programmable Read-Only Memory.
ERD - Entity-Relationship Diagram.
ERD - Emergency Repair Disk.
ERP - Enterprise Resource Planning
ESB - Enterprise Service Bus.
Esc - Escape.
ESCD - Extended System Configuration Data.
ESD - Electrostatic Discharge.
ESDI - Enhanced Small Device Interface.
EUC - End-User Computing.
EUC - Extended Unix Code.
EULA - End User License Agreement.
EVDO - Evolution Data Only.
EVDO - Evolution-Data Optimized.
EVGA - Extended Video Graphics Adapter Or EVGA Corporation.
EXE - Executable.
F
FAQ - Frequently Asked Questions.
FAT - File Allocation Table.
FAX - Facsimile.
FCAL - Fibre Channel Arbitrated Loop.
FC-PGA - File Chip Pin Grid Array.
FCS - Frame Check Sequence.
FD - Floppy Disk.
FDC - Floppy Disk Controller.
FDD - Floppy Disk Drive.
FDD - Final Draft Document.
FDDI - Fiber Distributed Data Interface.
FDM - Frequency Division Multiplexing.
FDMA - Frequency Division Multiple Access.
FDR - Flight Data Recorder.
FDx - Full Duplex.
FMC - File Management Computer.
FE - Front End.
FEC - Forward Error Correction.
FEP - Front End Processor.
FF - Fast Forward.
FF - Form Feed.
FHS - Filesystem Hierarchy Standard.
FHS - File Handling System.
FIFO - First In, First Out.
FILO - First In, Last Out.
FL - Function Level.
FLAC - Free Lossless Audio Codec.
FLOPS - Floating-point Operations Per Second.
FLV - Flash Video.
FM - Frequency Modulation.
FMS - Fiber Management System.
Fn - Function.
FORTRAN - Formula Translation.
FOSI - Formatted Output Specification Instance.
FOSS - Free and Open Source Software.
FPGA - Field-Programmable Gate Array.
FPM - Fast Page Mode.
FPS - Frames Per Second.
FPU - Floating Point Unit.
FS - File System.
FS - Frame Size.
FS - For Sale.
FS - File Server.
FSAA - Full-Screen Anti Aliasing.
FSB - Front Side Bus.
FSF - Free Software Foundation.
FSK - Frequency-Shift Keying.
FT - Fixed Terminals.
FTP - File Transfer Protocol.
FTPS - File Transfer Protocol Secure.
FXP - File eXchange Protocol.
G
GB - Gigabytes.
Gb - Gigabit
GBPS - Gigabytes Per Second Or Gigabits Per Second.
GCP - Google Cloud Platform.
GCR - Group Code Recording.
GDI - Graphical Device Interface.
GHz - Giga Hertz.
GIF - Graphics Interchange Format.
GIGO - Garbage In, Garbage Out.
GIMP - GNU Image Manipulation Program.
GIMPS - Great Internet Mersenne Prime Search.
GIS - Geographical Information system.
GP - Graphics Port.
GP - Game Play.
GPIB - General-Purpose Instrumentation Bus.
GPL - General Public License.
GPRS - General Packet Radio Service.
GPS - Global Positioning System.
GPU - Graphics Processing Unit.
GSM - Global System For Mobile Communications.
GTLDs - Generic Top Level Domains.
GUI - Graphic User Interface.
GUID - Globally Unique Identifier.
H
HAL - Hardware Abstraction Layer.
HBA - Host Bus Adapter.
HCI - Human-Computer Interaction.
HCL - Hardware Compatibility List
HD - High Definition.
HD-DVD - High Definition Digital Versatile Disc.
HDL - Hardware Description Language.
HDD - Hard Disk Drive.
HDFS - Hadoop Distributed File System.
HDMI - High Definition Multimedia Interface.
HDX - High-Density Expansion.
HDX - Half-Duplex.
HFS - Hierarchical File System.
HPFS - High-Performance File System.
HHD - Hybrid Hard Drive.
HID - Human Interface Device.
HIG - Human Interface Guideline.
HIS - Hightech Information System Limited.
HLL - High-Level Language.
HMA - High Memory Area.
HP - Hewlett-Packard Development Company.
HPFS - High-Performance File System.
HSF - Heat Sink Fan.
HT - Hyper-Threading.
HT - HyperTransport.
HTC - High-Throughput Computing.
HTM - Hierarchical Temporal Memory.
HTML - HyperText Markup Language.
HTTP - HyperText Transfer Protocol.
HTTPD - HyperText Transfer Protocol Daemon.
HTTPS - HyperText Transfer Protocol Secure.
HTX - HyperTransport eXpansion.
HURD - Hird of Unix-Replacing Daemons.
HVD - Holographic Versatile Disk.
Hz - Hertz.
I
IBG - Inter Block Gap.
IBM - International Business Machines Corporation.
IC - Integrated Circuit.
I²C - Inter-Integrated Circuit.
ICMP - Internet Control Message Protocol.
ICP - Internet Cache Protocol
ICR - Intelligent Character Recognition.
ICS - Internet Connection Sharing.
ICT - Information and Communication Technology.
IDE - Integrated Development Environment.
IDE - Integrated Drive Electronics.
IDL - Interface Definition Language.
IE - Internet Explorer.
IFS - Item for Sale.
IFS - InFormatics and Security.
IGMP - Internet Group Management Protocol.
IGRP - Interior Gateway Routing Protocol
IHV - Independent Hardware Vendor.
IIOP - Internet Iner-ORB-Protocol.
IIS - Internet Information Service.
IM - Instant Messaging.
IMAP - Internet Message Access Protocol.
I/O - Input/Output.
IOS - Internetwork Operating System.
iOS - iPhone Operating System.
IP - Internet Protocol.
iPad OS - iPad Operating System.
IPC - Inter-Process Communication.
IPCONFIG - Internet Protocol Configuration.
IPP - Internet Printing Protocol.
IPsec - Internet Protocol Security.
IPTV - Internet Protocol Television.
IPX - Internetwork Packet eXchange.
IR - Information Retrieval.
IR - Infrared.
IRC - Internet Relay Chat.
IrDA - Infrared Data Association.
IRPs - I/O Request Packet.
IRQ - Interrupt Request.
ISA - Industry Standard Architecture.
ISA - Instruction Set Architecture.
ISAM - Indexed Sequential Access Method.
ISC - Internet Storm Center.
ISDN - Integrated Service Digital Network.
ISH - Information Super Highway.
ISO - International Organisation for Standardization.
ISOC - Internet Society.
ISP - Internet Service Provider.
ISR - Interrupt Service Routine.
ISV - Independent Software Vendor.
ISO - International Standards Organization.
IT - Information Technology.
ITL - Interval Temporal Logic.
ITU - International Telecommunication Union.
IVT - Intel Virtualization Technology.
IVT - Interrupt Vector Table.
J
J2EE - Java 2 Platform Enterprise Edition.
J2ME - Java 2 Platform Micro Edition.
J2SE - Java 2 Platform Standard Edition.
JAD - Java Application Descriptor.
JAR - Java Archive.
JAXB - Java Architecture for XML Binding.
JBL - James Bullough Lansing.
JCE - Java Cryptography Extension.
JCL - Job Control Language.
JDBC - Java Database Connectivity.
JDK - Java Development KIT.
JEE - Java Enterprise Edition.
JFS - Journaled File System.
JNI - Java Native Interface.
JPEG - Joint Photographic Experts Group.
JRE - Java Runtime Environment.
JS - JavaScript.
JSP - JavaServer Pages.
JUG - Java Users Group.
JSON - JavaScript Object Notation.
JSP - Java Server Pages.
JVM - Java Virtual Machine.
K
KB - Kilobyte.
Kb - Kilobit.
Kbps - Kilobits Per Second.
KBps - Kilobyte Per Second.
kHz - kilohertz.
KIPS - Knowledge Information Processing System.
KM - Knowledge Machine.
KRL - Knowledge Representation Language.
KVA - Kilo-Volt-Ampere
KVM - Keyboard, Video, and Mouse.
M
M2G - Mobile 3D Graphics.
MAC – Media Access Control
Mac - Macintosh.
MAC OS - Macintosh Operating System.
MAD - Michigan Algorithm Decoder.
MAN - Metropolitan Area Network.
MAP - Message Acceptance Pulse.
MAP - Missed Approach Pulse.
MAP - Missed Approach Point.
MAP - Modified Atmosphere Pack.
MAP - Maintenance Automation Program.
MAPI - Messaging Application Programming Interface.
MAR - Memory Address Register.
Mb - Megabit.
MB – MotherBoard.
MB - Megabyte.
MBps – Megabytes Per Second
Mbps – Megabits Per Second or Megabits Per Second.
MBCS - Multi Byte Character Set.
MBR - Master Boot Record.
MBSA - Microsoft Baseline Security Analyzer.
MCGA - Master of Computer Graphics and Animation.
MCM - Multi-Chip Module.
MCR - Multivariate Curve Resolution.
MDI - Multiple Document Interface.
MDI - Medium Dependent Interface.
MFD - Multi Function Device.
MFLOPS - Million Floating-Point Operations Per Second.
MFM - Modified Frequency Modulation.
MFP - MultiFunction Product.
MFT - Managed File Transfer.
MFT - Multiprogramming with Fixed Task.
MHz - Megahertz.
MICR - Magnetic Ink Character Recognition.
MicroDIMM - Micro Dual Inline Memory Module.
MIDI - Musical Instrument Digital Interface.
MIMD - Multiple Instruction, Multiple Data.
MIME - Multipurpose Internet Mail Extensions.
MIMO - Multiple-In, Multiple Output.
MIPS - Million Instructions Per Second.
MIPS - Microprocessor without Interlocked Pipelined Stages.
MIS - Management Information Systems.
MISD - Multiple Instruction, Single Data.
MLI - Measurement Layer Interface.
MLID - Multiple Link Interface Driver.
MMC - Microsoft Management Console.
MMC - MultiMediaCard.
MMF - Multi Mode Fiber.
MMU - Memory Management Unit.
MMX - MultiMedia eXtensions.
MNG - Multiple-image Network Graphics.
MNP - Microcom Networking Protocol.
MNP - Mobile Number Portability.
MODEM - Modulator-Demodulator.
MOPS - Million Operations Per Second.
MOSFET - Metal-Oxide-Semiconductor Field Effect Transistor.
MP3 - Moving Picture Experts Group Layer 3.
MP - Multi-Processor.
MPEG - Motion Pictures Experts Group.
MP - IMessage Passing Interface.
MPL - Mozilla Public License.
MPS - Megabits Per Second.
MS - Memory Stick.
MSB - Most Significant Bit.
MSCDEX - Microsoft CD-ROM eXtensions.
MSConfig - Microsoft Configuration.
MSD - Most Significant Digit.
MSDN - Microsoft Developer Network.
MSDS - Material Safety Data Sheet.
MS-DOS - Microsoft Disk Operating System.
MSI - Micro-Star International.
MSI - Medium Scale Integration.
MSI - Microsoft Installer.
MTBF - Mean Time Between Failure.
MUI - Multilingual User Interface.
MVS - Multiple Virtual Storage.
MVS - Multiple Vendor System.
MVT - Multiprogramming With Variable Tasks.
MX - Mail eXchange.
N
NAP - Network Access Protection.
NAS - Network-Attached Storage.
NAT - Network Address Translation.
NEC – NEC Corporation.
NetBIOS - Network Basic Input/Output System.
NetBEUI - Networked BIOS Extended User Interface.
NFC - Near Field Communication.
NFS - Network File System.
NFU - Not Frequently Used.
NIC - Network Interface Controller.
NIC - Network Interface Card.
NIO - New Input/Output.
NIU - Network Interface Unit.
NLI - Natural Language Interface.
NLI - Not Logged In.
NLX - New Low Profile eXtended.
NMI - Non-Maskable Interrupt.
NNTP - Network News Transfer Protocol.
NOP - NO Operation.
NOS - Network Operating System.
NSS - Name Service Switch.
NT - New Technology.
NTFS - New Technology File System.
NTLDR - New Technology Loader.
NTP - Network Time Protocol.
NVRAM - Non-Volatile Random Access Memory.
NWLINK - NetWare Link.
O
OC - Operation Channel.
OC - OverClock.
OCR - Optical character Recognition.
OCR - Optical Character Reader.
OCZ - Operational Control Zone.
ODI - Open Data-link Interface.
OEM - Original Equipment Manufacturer.
OFP - Open Frame Panel.
OLE - Object Linking and Embedding.
OMR - Optical Mark Reader.
OOM - Out Of Memory.
OOP - Object-Oriented Programming.
OPML - Outline Processor Markup Language.
OS - Operating System.
OSDN - Open Source Development Network.
OSI - Open Systems Interconnection.
OSK - On-Screen Keyboard.
OSPF - Open Shortest Path First.
OSR - OEM Service Release.
OSS - Operations Support System.
OSS - Open Source Software.
P
P2P - Peer-To-Peer.
PAL - Programmable Array Logic.
PAL - Phase Alternating Line.
PAN - Personal Area Network.
PATA - Parallel Advanced Technology Attachment.
PAP - Password Authentication Protocol.
PBX - Private Branch Exchange.
PC - Personal Computer.
PCB - Printed Circuit Board.
PCB - Process Control Block.
PC DOS - Personal Computer Disk Operating System.
PCI - Peripheral Component Interconnect.
PCIe - Peripheral Component Interconnect Express.
PCL - Printer Command Language.
PCM - Pulse-Code Modulation.
PCMCIA - Personal Computer Memory Card International Association.
PCMCIA - Peripheral Component MicroChannel Interconnect Architecture.
PDA - Personal Digital Assistant.
PDF - Portable Document Format.
PDL - Program Design Language.
PDP - Program Data Processor.
PE - Processor Element.
PERL - Practical Extraction and Reporting Language.
PFA - Portable Format for Analytics.
PFA - Please Find the Attachment.
PFF - Page Fault Frequency.
PGA - Pin Grid Array.
PGA - Professional Graphics Adapter.
PGA – Professional Graphics Array.
PGC - Professional Graphics Controller.
PHP - Hypertext Preprocessor.
PHP - Personal Home Page.
PIC - Peripheral Interface Controller.
PIC - Programmable Interface Controller.
PIC - Programmable Intelligent Computer.
PIM - Personal Information Manager.
PINE - Program for Internet News and Email.
PIO - Programmed Input/Output.
PIP - Peripheral Interchange Program.
PLA - Programmable Logic Array.
PLC - Programmable Logic Controller.
PLC - Power Line Communication.
PLD - Programmable Logic Device.
PLL - Phase-Locked Loop.
PM - Private Message.
PM - Phase Modulation.
PNG - Portable Network Graphics.
Pnp - Plug and Play.
PoE - Power over Ethernet.
POP - Post Office Protocol.
POS - Point Of Sale.
POST - Power-On Self Test.
POTS - Plain Old Telephone Service.
PPC - Power Personal Computer.
PPC - Pay Per Click.
PPI - Pixels Per Inch.
PPM - Pages Per Minute.
PPP - Point-to-Point Protocol.
PPPoA - Point-to-Point Protocol over ATM.
PPPoE - Point-to-Point Protocol over Ethernet.
PPT - PowerPoint Presentation.
PPTP - Point-to-Point Tunneling Protocol.
PQI – PQI Corporation.
PRI - Primary Rate Interface.
PROLOG - Programming in Logic.
PROM - Programmable Read-Only Memory.
PrtScr - Print Screen.
PS/2 - Personal System/2.
PSD - Photoshop Document.
PSP - Program Segment Prefix.
PSTN - Public Switched Telephone Network.
PSU - Power Supply Unit.
PTE - Page Table Entry.
PVC - Permanent Virtual Circuit.
PVM - Parallel Virtual Machine.
PXE - Preboot Execution Environment.
PY - Python.
PNY – PNY Technology.
Q
QA - Quality Assurance.
QAM - Quadrature Amplitude Modulation.
QAS - Quick Arbitrate and Select.
QBE - Query By Example.
QDR - Quad Data Rate.
QFA - Quick File Access.
QFP - Quad Flat Package.
QIC - Quarter Inch cartridge.
QoS - Quality of Service.
R
RAD - Rapid Application Development.
RAID - Redundant Array of Inexpensive Disks.
RAIT - Redundant Array of Inexpensive Tapes.
RAM - Random Access Memory.
RAMDAC - Random-Access Memory Digital-to-Analog Converter.
RARP - Reverse Address Resolution Protocol.
RAdAC - Risk Adaptive Access Control.
RADIUS - Remote Authentication Dial-In User Service.
RAID - Redundant Array of Inexpensive Disks.
RAID - Redundant Array of Independent Disks.
RAS - Row Address Strobe.
RAS - Remote Access Service.
RBAC - Role-Based Access Control.
RDBMS - Relation Database Management System.
RDRAM - Rambus Dynamic Random Access Memory.
RDF - Resource Description Framework.
REEAL - Recursive functions Algorithmic Language.
RF - Radio Frequency.
RFI - Radio Frequency Interference.
RGB - Red, Green, Blue.
RGBA - Red, Green, Blue, Alpha.
RIMM - Rambus Inline Memory Module.
RI - Re-Installing.
RIP - Routing Information Protocol.
RIS - Remote Installation Service.
RISC - Reduced Instruction Set Computer.
RJ - Registered Jack.
RMA - Returned Materials Authorization.
RMW - Read-Modify-Write.
ROM - Read-Only Memory.
ROMB - RAID On the MotherBoard.
ROM-DOS - Read-Only Memory-Disk Operating System.
RPC - Remote Procedure Calls.
RPG - Report Program Generator.
RPM - Revolutions Per Minute.
RS-232 - Recommended Standard 232.
RTC - Real-Time Clock.
RTOS - Real-Time Operating System.
RTS - Real-Time Streaming.
RTS - Real-Time Strategy.
RTS - Request To Send.
S
SAID - Serving Area Identity Document.
SAM - Security Account Manager.
SAM - Sequential Access Memory.
SAN - Storage Area Network.
SAP - Systems Applications and Products.
SASI - Shugart Associates Systems Interface.
SASID - Self Scanned Amorphous Silicon Integrated Display.
SATA - Serial Advanced Technology Attachment.
SAX - Simple API of XML.
SBP-2 - Serial Bus Protocol 2.
SBU - Standard Build Unit.
SC - StarCraft.
SC - Subscription Channel.
SCA - Service Component Architecture.
SCA - Side-Channel Attack.
SCA – SCSI Configured Automatically.
SCSI - Small Computer System Interface.
SD - Secure Digital.
SDK - Software Development Kit.
SDL - Specification and Description Language.
SDL - Simple DirectMedia Layer.
SDLC - Systems Development Life Cycle.
SDLC - Synchronous Data Link Control.
SDN - Software-Defined Networking.
SDN - Service Delivery Network.
SDR - Software-Defined Radio.
SDRAM - Synchronous Dynamic Random Access Memory.
SEC - Single Edge Contact.
SECC - Single Edge Contact Cartridge.
SEQUEL - Structured English QUEry Language.
SFC - System File Checker.
SFTP - Secure File Transfer Protocol.
SFTP - Simple File Transfer Protocol.
SGML - Standard Generalized Markup Language.
SGRAM - Synchronous Graphics Random Access Memory.
SHDSL - Single-pair High-speed Digital Subscriber Line.
SIM - Subscriber Identity Module.
SIMD - Single Instruction, Multiple Data.
SIMM - Single Inline Memory Module.
SIPP - Single In-line Pin Package.
SIS - Server Intelligent Storage.
SISD - Single-Instruction, Single-Data.
SLI - Scalable Link Interface.
SLI - System Level Integration.
SLI - Scan-Line Interleave.
SLIP - Serial Line Internet Protocol.
SMB - Server Message Block.
SMBIOS - System Management Basic Input/Output System.
SMP - Symmetric Multiprocessing.
SMS - Short Message Service.
SMTP - Simple Mail Transfer Protocol.
SNA - Systems Network Architecture.
SNAP - Secure Network Access Platform.
SNMP - Simple Network Management Protocol.
SNOBOL - String Oriented and symbolic Language.
SNR - Signal-to-Noise Ratio.
SOAP - Simple Object Access Protocol.
SO-DIMM - Small Outline Dual Inline Memory Module.
SOHO - Small Office or Home Office.
SOIC - Small Outline Integrated Circuit.
SP - Stack Page.
SP - Service Pack.
SPARC - Scalable Processor Architecture.
SPI - Serial Peripheral Interface.
S/PDIF - Sony/Philips Digital Interface.
SPGA - Staggered Pin Grid Array.
SPOOL - Simultaneous Peripheral Operations On-Line.
SPU - Snippet Processing Unit.
SPX - Sequenced Packet eXchange.
SQL - Structured Query Language.
SRAM - Static Random Access Memory.
SSE - Streaming SIMD Extensions.
SSH - Secure Shell.
SSI - Small Scale Integration.
SSID - Service Set Identifier.
SSL - Secure Sockets Layer.
ST - Straight Tip.
STDM - Synchronous Time Division Multiplexing.
STN - Small Town Network.
STP - Spanning Tree Protocol.
STP - Shielded Twisted Pair.
STU - Secure Terminal Unit.
SUB - Subtitle.
SUB - Subscript.
SUS - Single UNIX Specification.
SUS - Software Update Services.
SVD - Structured VLSI Design.
SVD - System View Description.
SVD - Software Version Description.
SVG - Scalable Vector Graphics.
SVGA - Super Video Graphics Array.
SWF - Shockwave Flash.
SXGA - Super extended Graphics Array.
SYS - System.
T
TB - Terabyte.
Tb - Terabit.
TBPS - Terabytes Per Second.
TBPS - Terabits Per Second.
TCP - Transmission Control Protocol.
TDM - Time-Division Multiplexing.
TDMA - Time Division Multiple Access.
TDR - Time Domain Reflectometer.
TEC - Thermoelectric Cooler.
TFT - Thin Film Transistor.
TFTP - Trivial File Transfer Protocol.
TLD - Top Level Domain.
TLS - Transport Layer Security.
TMP - Temporary.
TPI - Tracks Per Inch.
TPU - Tensor Processing Unit.
TS - Technical Specification.
TS - Time Slot.
TS - TypeScript.
TSR - Terminate-and-Stay-Resident.
TTA - Transport Triggered Architecture.
TTA - True Tap Audio.
TTF - True Type Font.
TTL - Transistor-Transistor Logic.
TTS - Text-To-Speech.
TTY - Teletypewriter.
TWAIN - Technology Without An Interesting Name.
TXT - Text.
U
UAC - User Account Control.
UAE - Unrecoverable Application Error.
UART - Universal Asynchronous Receiver-Transmitter.
UDF - User-Defined Functions.
UDF - Universal Disk Format.
UDF - Universal Data Format.
UDMA - Ultra Direct Memory Access.
UDP - User Datagram Protocol.
UDT - Unreliable Data Transfer.
UEFI - Unified Extensible Firmware Interface.
UHF - Ultra High Frequency.
UI - User Interface.
UL - Underwriter Laboratories.
UL - Uplink.
UL - Upload.
ULSI - Ultra Large Scale Integration.
UMB - Upper Memory Block.
UMTS - Universal Mobile Telecommunications System.
UNC - Universal Naming Convention.
UNICS - Unpieced Information Computing System.
UNIVAC - Universal Automatic Computer.
UPS - Uninterruptible Power Supply.
URI - Uniform Resource Identifier.
URL - Uniform Resource Locator.
URN - Uniform Resource Name.
USART - Universal Serial Asynchronous Receiver Transmitter.
USB - Universal Serial Bus.
USMT - User State Migration Tool.
UTF - Unicode Transformation Format.
UTP - Unshielded Twisted Pair.
UUCP - Unix-to-Unix Copy.
UVEPROM - Ultra-Violet Erasable Programmable Read-Only Memory
UVGA - Ultra Video Graphics Array34
UWB - Ultra Wide Band35
UXGA - Ultra Extended Graphics Array
V
VCD - Video CD.
VPN - Virtual Private Network.
W
WAN - Wide Area Network.
WTB - Want to Buy.
WYSIWYG - What You See Is What You Get.
X
XGA - Extended Graphics Array
XMS - Extended Memory Specification
XT - Extended Technology
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