Technical Abbreviations and Expansions of IT Industry

Abbreviation and Expansion of IT Industry

List of Technical Abbreviations

This page includes a collection of significant computer abbreviations.

One of the most commonly asked questions in the System Awareness section is about computer abbreviations. Candidates who are getting ready for the upcoming interviews or exams should review the list of significant computer abbreviations that is provided below.

The below are common abbreviations and specific to the IT industry:


Technical Abbreviation Starts with Number

2FA – Two Factor Authentication

4D QL – 4D Query Language

— A Letter Technical Abbreviation —

AI – Artificial Intelligence
API – Application Programming Interface
AUP – Acceptable Use Policy

— B Letter Technical Abbreviation —

BASIC – Beginner’s All-purpose Symbolic Instruction Code
BIOS – Basic Input/Output System
BYOD – Bring Your Own Device

— C Letter Technical Abbreviation —

CAPTCHA – Completely Automated Public Turing test to tell Computers and Humans Apart
CD – Compact Disc
CDROM – Compact Disc Read Only Memory
CLI – Command Line Interpreter
COBOL – Common Business Oriented Language
CRM – Customer Relationship Management
CSS – Cascading Style Sheet
CSV – Comma Separated Value
CTO – Chief Technology Officer

— D Letter Technical Abbreviation —

DAM – Database Activity Monitoring
DB – Database
DBMS – Database Management System
DBA – Database Administrator
DDL – Data Definition Language
DLL – Dynamic Link Library
DML – Data Manipulation Language
DNS – Domain Name System
DQL – Data Query Language
DRDA – Distributed Relational Database Architecture
DRM – Digital Rights Management
DTD – Document Type Definition

— E Letter Technical Abbreviation —

EBS – Elastic Block Storage
EFS – Elastic File System
EOD – End of Day
ETL – Extract Transform Loading

FTP – File Transfer Protocol

GIS – Global Information Security

— H Letter Technical Abbreviation —

HDFS – Hadoop Distributed File System
HTML – HyperText Markup Language
HTTP – HyperText Transfer Protocol
HTTPS – HyperText Transfer Protocol Secure

— I Letter Technical Abbreviation —

IaaS – Infrastructure as a Service
ISMS – Information Security Management System

— J Letter Technical Abbreviation–

JD – Job Description
JEE – Java Enterprise Edition
JRE – Java Runtime Environment
JSON – Javascript Object Notation
LAN – Local Area Network

Mbps – Megabytes per second

— N Letter Technical Abbreviation–

NER – Named Entity Recognition
NLP – Natural Language Processing
NLG – Natural Language Generation
NLU – Natural Language Understanding

— O Letter Technical Abbreviation–

OCR – Optical Character Recognition
OD – Outdoor Duty
OLAP – Online Analytical Processing
OLTP – Online Transaction Processing
OOP – Object Oriented Programming
OTP – One Time Password

— P Letter Technical Abbreviation —

PaaS – Platform as a Service
POC – Proof of Concept
POP3 – Post Office Protocol – Version 3

— R Letter Technical Abbreviation —

RAM – Random Access Memory
REGEX – Regular Expression – Practice Link
ROM – Read Only Memory
RFP – Request for Proposal
RFI – Request for Information
RFQ – Request for Quote

— S Letter Technical Abbreviation —

SaaS – Software as a Service
SEO – Search Engine Optimization
SOAP – Simple Object Access Protocol
SQL – Structured Query Language
SSH – Secure Shell
SSL – Secure Socket Layer
SSID – Service Set Identifier
SVN – Apache Subversion

— T Letter Technical Abbreviation —

TCP/IP – Transmission Control Protocol/Internet Protocol
TSV – Tab Separated Value

UAT – User Acceptance Testing
UI – User Interface

VM – Virtual Machine
VPN – Virtual Private Network

— W Letter Technical Abbreviation —

W3C – World Wide Web Consortium
WPA – WiFi Protected Access
WWW – World Wide Web

— X Letter Technical Abbreviation —

XHTML – eXtensible HyperText Markup Language
XAML – eXtensible Application Markup Language
XML – eXtensible Markup Language
XSD – XML Schema Definition
XSLT – eXtensible Stylesheet Language Transformation

— Y Letter Technical Abbreviation —

YAML – YAML Ain’t Markup Language
YTS – Yet To Start

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