Letter A
ACID Atomicity, Consistency, Isolation, Durability
ACL Access Control List
ADC Analog-to-Digital Converter
ADF Automatic Document Feeder
ADSL Asymmetric Digital Subscriber Line
AFP Apple Filing Protocol
AGP Accelerated Graphics Port
AIFF Audio Interchange File Format
AIX Advanced Interactive Executive
ALU Arithmetic Logic Unit
ANR Application Not Responding
ANSI American National Standards Institute
API Application Program Interface
APM Actions Per Minute
APU Accelerated Processing Unit
ARP Address Resolution Protocol
ASCII American Standard Code for Information Interchange
ASO App Store Optimization
ASP Active Server Page or Application Service Provider
ATA Advanced Technology Attachment
ATM Asynchronous Transfer Mode
ATX Advanced Technology eXtended
AUP Acceptable Use Policy
AVR Audio/Video Receiver
Bash Bourne-Again Shell
Letter B
BASIC Beginner's All-purpose Symbolic Instruction Code
Bcc Blind Carbon Copy
BIOS Basic Input/Output System
BLE Bluetooth Low Energy
Blob Binary Large Object
BMP Bitmap
BSOD Blue Screen of Death
Letter C
CAD Computer-Aided Design
CAN Campus Area Network
Cc Carbon Copy
CCD Charged Coupled Device
CD Compact Disc
CD-R Compact Disc Recordable
CD-ROM Compact Disc Read-Only Memory
CD-RW Compact Disc Re-Writable
CDFS Compact Disc File System
CDMA Code Division Multiple Access
CDN Content Delivery Network
CGI Common Gateway Interface
CISC Complex Instruction Set Computing
CLOB Character Large Object
CMOS Complementary Metal Oxide Semiconductor
CMS Content Management System
CMYK Cyan Magenta Yellow Black
Contrl Unit CU
CORS Cross-Origin Resource Sharing
CPA Cost Per Action
CPC Cost Per Click
CPL Cost Per Lead
CPM Cost Per 1,000 Impressions
CPS Classroom Performance System
CPU Central Processing Unit
CRM Customer Relationship Management
CRT Cathode Ray Tube
CSS cscading Style Sheet
CSV Comma-Separated Values
CTP Composite Theoretical Performance
CTR Click-Through Rate
CUDA Compute Unified Device Architecture
Letter D
DAC Digital-to-Analog Converter
DAW Digital Audio Workstation
DBMS Database Management System
DCIM Digital Camera IMages
DDL Data Definition Language
DDR Double Data Rate
DDR2 Double Data Rate 2
DDR3 Double Data Rate Type 3
DDR4 Double Data Rate 4
DFS Distributed File System
DHCP Dynamic Host Configuration Protocol
DIMM Dual In-Line Memory Module
DKIM DomainKeys Identified Mail
DLC Downloadable Content
DLL Dynamic Link Library
DMA Direct Memory Access
DNS Domain Name System
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
DTD Document Type Definition
DUT Device Under Test
DV Digital Video
DVD Digital Versatile Disc
DVD+R Digital Versatile Disc Recordable
DVD+RW Digital Versatile Disk Rewritable
DVD-R Digital Versatile Disc Recordable
DVD-RAM Digital Versatile Disc Random Access Memory
DVD-RW Digital Versatile Disk Rewritable
DVI Digital Video Interface
DVR Digital Video Recorder
Letter E
ECC Error Correction Code
EDI Electronic Data Interchange
eGPU External Graphics Processing Unit
EIDE Enhanced Integrated Drive Electronics
EOL End Of Life
EPS Encapsulated PostScript
ERP Enterprise Resource Planning
eSATA External Serial Advanced Technology Attachment
EUP Enterprise Unified Process
EXIF Exchangeable Image File Format
Letter F
FAQ Frequently Asked Questions
FDDI Fiber Distributed Data Interface
FIFO First In, First Out
FILO First In, Last Out
Fios Fiber Optic Service
FLOPS Floating Point Operations Per Second
FPGA Field-Programmable Gate Array
FPS Frames Per Second
FPU Floating Point Unit
FQDN Fully Qualified Domain Name
FSB Frontside Bus
FTP File Transfer Protocol
Letter G
Gbps Gigabits Per Second
GIF Graphics Interchange Format
GIGO Garbage In, Garbage Out
GIS Geographic Information Systems
GPGPU General-Purpose computation on Graphics Processing Units
GPIO General Purpose Input/Output
GPS Global Positioning System
GPU Graphics Processing Unit
GUI Graphical User Interface
GUID Globally Unique Identifier
Letter H
HAN Home Area Network
HD High Definition
HDD Hard Disk Drive
HDMI High-Definition Multimedia InterfaceHDR High Dynamic Range
HDTV High Definition Televsion
HDV High-Definition Video
HFS Hierarchical File System
HSF Heat Sink and Fan
HTML Hyper-Text Markup Language
HTTP Hypertext Transfer Protocol
HTTPS HyperText Transport Protocol Secure
Letter I
I/O Input/Output
ICANN Internet Corporation For Assigned Names and Numbers
ICCID Integrated Circuit Card Identifier
ICF Internet Connection Firewall
ICMP Internet Control Message Protocol
ICS Internet Connection Sharing
ICT Information and Communication Technologies
IDE Integrated Device Electronics or Integrated Development Environment
IDS Intrusion Detection System
IEEE Institute of Electrical and Electronics Engineers
IGP Integrated Graphics Processor
IIS Internet Information Services
IM Instant Message
IMAP Internet Message Access Protocol
IMEI International Mobile Equipment Identity
InterNIC Internet Network Information Center
IOPS Input/Output Operations Per Second
IP Internet Protocol
IPC Interprocess Communication
IPS Intrusion Prevention System
IPX Internetwork Packet Exchange
IRC Internet Relay Chat
IRQ Interrupt Request
ISA Industry Standard Architecture
iSCSI Internet Small Computer Systems Interface
ISDN Integrated Services Digital Network
ISO International Organization for Standardization
ISP Internet Service Provider
ISR Interrupt Service Routine
IT Information Technology
ITIL Information Technology Infrastructure Library
IVR Interactive Voice Response
Letter J
JDBC Java Database Connectivity
JFS Journaled File System
JPEG Joint Photographic Experts Group
JRE Java Runtime Environment
JSF JavaServer Faces
JSON JavaScript Object Notation
JSP Java Server Page
JVM Java Virtual Machine
Letter K
Kbps Kilobits Per Second
KDE K Desktop Environment
KVM Switch
Keyboard, Video, and Mouse Switch
Letter L
LAMP Linux, Apache, MySQL, and PHP
LAN Local Area Network
LCD Liquid Crystal Display
LDAP Lightweight Directory Access Protocol
LED Light-Emitting Diode
LFN Long Filename
LIFO Last In, First Out
LPI Lines Per Inch
LTE Long Term Evolution
LUN Logical Unit Number
Letter M
MAC Address
Media Access Control Address
MAMP Mac OS X, Apache, MySQL, and PHP
MANET Mobile Ad Hoc Network
Mbps Megabits Per Second
MBR Master Boot Record
MCA Micro Channel Architecture
MDI Medium Dependent Interface
MIDI Musical Instrument Digital Interface
MIPS Million Instructions Per Second
MIS Management Information System
MMS Multimedia Messaging Service
MP3 MPEG-1 Audio Layer-3
MPEG Moving Picture Experts Group
MTU Maximum Transmission Unit
MVC Model-View-Controller
Letter N
NAT Network Address Translation
NetBIOS Network Basic Input/Output System
NFC Near Field Communication
NFT Non-Fungible Token
NIC Network Interface Card
NINO Nothing In, Nothing Out
NMS Network Management System
NNTP Network News Transfer Protocol
NOC Network Operations Center
NOS Network Operating System
NSP Network Service Provider
NTFS New Technology File System
NTP Network Time Protocol
NUI Natural User Interface
NVRAM Non-Volatile Random Access Memory
Letter O
OASIS Organization for the Advancement of Structured Information Standards
OCR Optical Character Recognition
ODBC Open Database Connectivity
OEM Original Equipment Manufacturer
OLAP Online Analytical Processing
OLE Object Linking and Embedding
OLED Organic Light Emitting Diode
OOP Object-Oriented Programming
OSD On Screen Display
OSPF Open Shortest Path First
OTA Over-The-Air
OTT Over-the-top
Letter P
P2P Peer To Peer
PC Personal Computer
PCB Printed Circuit Board
PCI Peripheral Component Interconnect
PCI-X Peripheral Component Interconnect Extended
PCMCIA Personal Computer Memory Card International Association
PDA Personal Digital Assistant
PDF Portable Document Format
PDU Protocol Data Unit
PHP Hypertext Preprocessor
PIM Personal Information Manager
PMU Power Management Unit
PNG Portable Network Graphic
PoE Power over Ethernet
PON Passive Optical Network
POP3 Post Office Protocol
POST Power On Self Test
POTS Plain Old Telephone Service
PPC Pay Per Click
PPGA Plastic Pin Grid Array
PPI Pixels Per Inch
PPL Pay Per Lead
PPM Pages Per Minute
PPP Point to Point Protocol
PPPoE Point-to-Point Protocol over Ethernet
PPS Pay Per Sale
PPTP Point-to-Point Tunneling Protocol
PRAM Parameter Random Access Memory
PROM Programmable Read-Only Memory
PS/2 Personal System/2
PUM Potentially Unwanted Modification
PUP Potentially Unwanted Program
Letter Q
QBE Query By Example
Letter R
RAID Redundant Array of Independent Disks
RAM Random Access Memory
RDBMS Relational Database Management System
RDF Resource Description Framework
RDRAM Rambus Dynamic Random Access Memory
RFID Radio-Frequency Identification
RGB Red Green Blue
RIP Routing Information Protocol
RISC Reduced Instruction Set Computing
ROM Read-Only Memory
RPC Remote Procedure Call
RPM Revenue Per 1,000 Impressions
RSS RDF Site Summary
RTE Runtime Environment
RTF Rich Text Format
RUP Rational Unified Process
Letter S
SaaS Software as a Service
SAN Storage Area Network
Sass Syntactically Awesome Style Sheets
SATA Serial Advanced Technology Attachment
SCSI Small Computer System Interface
SD Secure Digital
SDK Software Development Kit
SDLC System Development Lifecycle
SDRAM Synchronous Dynamic Random Access Memory
SDS Software-Defined Storage
SDSL Symmetric Digital Subscriber Line
SEO Search Engine Optimization
SERP Search Engine Results Page
SIM Card
Subscriber Identification Module Card
SIMM Single In-Line Memory Module
SIP Session Initiation Protocol
SKU Stock Keeping Unit
SLA Software License or Service Level Agreement
SLI Scalable Link Interface
SMART Self-Monitoring Analysis And Reporting Technology
SMB Server Message Block
SMM Social Media Marketing
SMS Short Message Service
SMTP Simple Mail Transfer Protocol
SNMP Simple Network Management Protocol
SO-DIMM Small Outline Dual In-Line Memory Module
SOA Service Oriented Architecture
SOAP Simple Object Access Protocol
SoC System On a Chip
SPX Sequenced Packet Exchange
SQL Structured Query Language
SRAM Static Random Access Memory
SRE Site Reliability Engineering
sRGB Standard Red Green Blue
SSD Solid State Drive
SSH Secure Shell
SSID Service Set Identifier
SSL Secure Sockets Layer
Letter t
TCP Transmission Control Protocol
TCP/IP Transmission Control Protocol/Internet Protocol
TFT Thin-Film Transistor
TIFF Tagged Image File Format
TLS Transport Layer Security
TTL Time To Live
TWAIN Toolkit Without An Informative Name
Letter U
UAT User Acceptance Testing
UDDI Universal Description Discovery and Integration
UDP User Datagram Protocol
UEFI Unified Extensible Firmware Interface
UGC User Generated Content
UICC Universal Integrated Circuit Card
UML Unified Modeling Language
UNC Universal Naming Convention
UPnP Universal Plug and Play
UPS Uninterruptible Power Supply
URI Uniform Resource Identifier
URL Uniform Resource Locator
USB Universal Serial Bus
UTF Unicode Transformation Format
UUID Universally Unique Identifier
UWP Universal Windows Platform
Letter V
VCI Virtual Channel Identifier
VDSL Very High Bit Rate Digital Subscriber Line
VDU Visual Display Unit
VFAT Virtual File Allocation Table
VGA Video Graphics Array
VIP Virtual IP Address
VLAN Virtual Local Area Network
VLB VESA Local Bus
VLE Virtual Learning Environment
VoIP Voice Over Internet Protocol
VPI Virtual Path Identifier
VPN Virtual Private Network
VPS Virtual Private Server
VRAM Video Random Access Memory
VRML Virtual Reality Modeling Language
Letter W
W3C World Wide Web Consortium
WAIS Wide Area Information Server
WAMP Windows, Apache, MySQL, and PHP
WAN Wide Area Network
WDDM Windows Display Driver Model
WEP Wired Equivalent Privacy
WIMP Windows, Icons, Menus, Pointer
WINS Windows Internet Name Service
WLAN Wireless Local Area Network
WPA Wi-Fi Protected Access
WPA2 Wi-Fi Protected Access 2
WWW World Wide Web
WYSIWYG What You See Is What You Get
Letter X
XAML Extensible Application Markup Language
XHTML Extensible Hypertext Markup Language
XML Extensible Markup Language
XMP Extensible Metadata Platform
XSLT Extensible Style Sheet Language Transformation
Letter Y & Z
Y2K Year 2000
ZIF Zero Insertion Force