A to Z Full Form List for Students, Jobs, and Competitive Exams

Understanding the full form of commonly used abbreviations helps you read, write, and communicate with more confidence in everyday life. Whether you are a student, job aspirant, or general reader, having access to an all full form guide saves time and removes confusion. This A to Z full form collection is designed to give you a clear and simple full form list covering terms from education, technology, government, medical, and daily usage. Instead of searching multiple sources, you can rely on this structured A to Z abbreviation list to quickly find accurate meanings and improve your general knowledge in one place.

A to Z full form list

A Full Forms

Abbreviation	Full Form
ATM	Automated Teller Machine
ASAP	As Soon As Possible
API	Application Programming Interface
AIDS	Acquired Immune Deficiency Syndrome
AI	Artificial Intelligence
ABS	Anti-lock Braking System
AM	Ante Meridiem
AC	Alternating Current
ADB	Asian Development Bank
ASCII	American Standard Code for Information Interchange
ANM	Auxiliary Nurse Midwife
AGM	Annual General Meeting
AYUSH	Ayurveda, Yoga, Unani, Siddha, Homeopathy
ALU	Arithmetic Logic Unit
AV	Audio Visual
ADSL	Asymmetric Digital Subscriber Line
AWS	Amazon Web Services
APT	Advanced Persistent Threat
AFC	Asian Football Confederation
APR	Annual Percentage Rate

B Full Forms

Abbreviation	Full Form
BBA	Bachelor of Business Administration
BCA	Bachelor of Computer Applications
BPO	Business Process Outsourcing
BMI	Body Mass Index
B.Ed	Bachelor of Education
B.Tech	Bachelor of Technology
BBC	British Broadcasting Corporation
BIOS	Basic Input Output System
BTS	Behind The Scenes
BYOD	Bring Your Own Device
BPL	Below Poverty Line
BSNL	Bharat Sanchar Nigam Limited
BSC	Bachelor of Science
BPM	Beats Per Minute
B2B	Business to Business
B2C	Business to Consumer
BLOB	Binary Large Object
BRICS	Brazil, Russia, India, China, South Africa
BMR	Basal Metabolic Rate
BMS	Building Management System

C Full Forms

Abbreviation	Full Form
CPU	Central Processing Unit
CCTV	Closed Circuit Television
CBI	Central Bureau of Investigation
COVID-19	Coronavirus Disease 2019
CSS	Cascading Style Sheets
CMS	Content Management System
CAD	Computer Aided Design
CRM	Customer Relationship Management
CEO	Chief Executive Officer
CFO	Chief Financial Officer
CIO	Chief Information Officer
CAT	Common Admission Test
CDN	Content Delivery Network
CNG	Compressed Natural Gas
CSAT	Customer Satisfaction
CSV	Comma Separated Values

D Full Forms

Abbreviation	Full Form
DNA	Deoxyribonucleic Acid
DVD	Digital Versatile Disc
DIY	Do It Yourself
DSL	Digital Subscriber Line
DBMS	Database Management System
DPI	Dots Per Inch
DTH	Direct To Home
DHCP	Dynamic Host Configuration Protocol
DRDO	Defence Research and Development Organisation
DNS	Domain Name System
DC	Direct Current
DOC	Document
DOB	Date of Birth
DRM	Digital Rights Management
DDL	Data Definition Language
DM	Direct Message
DVR	Digital Video Recorder
DDoS	Distributed Denial of Service
DSA	Data Structures and Algorithms
DPI	Digital Payment Interface

E Full Forms

Abbreviation	Full Form
EMI	Equated Monthly Installment
ECG	Electrocardiogram
ERP	Enterprise Resource Planning
EVM	Electronic Voting Machine
ETA	Estimated Time of Arrival
EOD	End of Day
ESI	Employees’ State Insurance
EFT	Electronic Funds Transfer
EV	Electric Vehicle
ELSS	Equity Linked Savings Scheme
EEPROM	Electrically Erasable Programmable ROM
EBIT	Earnings Before Interest and Taxes
ESL	English as a Second Language
EHR	Electronic Health Record
EDI	Electronic Data Interchange
EOQ	Economic Order Quantity
EMF	Electromagnetic Field
ERP	Enterprise Resource Planning

F Full Forms

Abbreviation	Full Form
FAQ	Frequently Asked Questions
FBI	Federal Bureau of Investigation
FTP	File Transfer Protocol
FMCG	Fast Moving Consumer Goods
FDI	Foreign Direct Investment
FIFO	First In First Out
FOMO	Fear Of Missing Out
FAT	File Allocation Table
FSSAI	Food Safety and Standards Authority of India
FPS	Frames Per Second
FMEA	Failure Mode and Effects Analysis
FCRA	Foreign Contribution Regulation Act

G Full Forms

Abbreviation	Full Form
GST GPS	Goods and Services Tax Global Positioning System
GIF	Graphics Interchange Format
GDP	Gross Domestic Product
GPRS	General Packet Radio Service
GATE	Graduate Aptitude Test in Engineering
GUI	Graphical User Interface
GPU	Graphics Processing Unit
GNI	Gross National Income
GMO	Genetically Modified Organism
G7	Group of Seven
G20	Group of Twenty
GSM	Global System for Mobile
Gbps	Gigabits Per Second
GMB	Google My Business
GIL	Global Interpreter Lock
GDS	Global Distribution System

H Full Forms

Abbreviation	Full Form
HTML	HyperText Markup Language
HTTP	HyperText Transfer Protocol
HTTPS	HyperText Transfer Protocol Secure
HIV	Human Immunodeficiency Virus
HR	Human Resources
HDD	Hard Disk Drive
HDMI	High Definition Multimedia Interface
HDFC	Housing Development Finance Corporation
H1B	Non-immigrant Work Visa
HCI	Human Computer Interaction
HCL	Hindustan Computers Limited
HMO	Health Maintenance Organization
HVAC	Heating, Ventilation, Air Conditioning
HSPA	High Speed Packet Access
HCI	Human Capital Index

I Full Forms

Abbreviation	Full Form
IT	Information Technology
IPL	Indian Premier League
ISRO	Indian Space Research Organisation
IRCTC	Indian Railway Catering and Tourism Corporation
ITR	Income Tax Return
IMF	International Monetary Fund
ISP	Internet Service Provider
IOT	Internet of Things
IP	Internet Protocol
IAS	Indian Administrative Service
IIM	Indian Institute of Management
IIT	Indian Institute of Technology
IBPS	Institute of Banking Personnel Selection
ICU	Intensive Care Unit
ID	Identification
ILO	International Labour Organization

J Full Forms

Abbreviation	Full Form
JEE	Joint Entrance Examination
JPEG	Joint Photographic Experts Group
JSON	JavaScript Object Notation
JVM	Java Virtual Machine
JDK	Java Development Kit
JSP	Java Server Pages
JIT	Just In Time
JIRA	Issue Tracking Software
JRE	Java Runtime Environment
JS	JavaScript
JPA	Java Persistence API
JDBC	Java Database Connectivity
JTAG	Joint Test Action Group
JCR	Journal Citation Reports
JHU	Johns Hopkins University
JPL	Jet Propulsion Laboratory
JCB	Joseph Cyril Bamford
JSA	Job Safety Analysis

K Full Forms

Abbreviation	Full Form
KYC	Know Your Customer
KPI	Key Performance Indicator
KB	Kilobyte
KGB	Committee for State Security
KMP	Key Management Personnel
KVA	Kilovolt Ampere
KNN	K-Nearest Neighbour
KOT	Kitchen Order Ticket
KRA	Key Result Area
KYCAML	Know Your Customer Anti-Money Laundering
KDE	K Desktop Environment
KVM	Kernel-based Virtual Machine
KNN	Knowledge Neural Network
KPS	Kilobits Per Second
KYCID	Know Your Customer Identification
K8S	Kubernetes
KPT	Karachi Port Trust

L Full Forms

Abbreviation	Full Form
LAN	Local Area Network
LED	Light Emitting Diode
LOL	Laughing Out Loud
LPG	Liquefied Petroleum Gas
LLB	Bachelor of Law
LKG	Lower Kindergarten
LTE	Long Term Evolution
LIFO	Last In First Out
LHS	Left Hand Side
LMS	Learning Management System
LPA	Lakhs Per Annum
LDR	Light Dependent Resistor
LLC	Limited Liability Company
LDAP	Lightweight Directory Access Protocol
LTV	Loan To Value
LCR	Liquidity Coverage Ratio
LPS	Late Payment Surcharge

M Full Forms

Abbreviation	Full Form
MBA	Master of Business Administration
MBBS	Bachelor of Medicine, Bachelor of Surgery
MRI	Magnetic Resonance Imaging
MSME	Micro, Small and Medium Enterprises
MCU	Microcontroller Unit
MNC	Multinational Corporation
MOOC	Massive Open Online Course
Mbps	Megabits Per Second
MRP	Maximum Retail Price
MIS	Management Information System
MFA	Multi Factor Authentication
ML	Machine Learning
MVP	Minimum Viable Product
MPLS	Multiprotocol Label Switching
MOU	Memorandum of Understanding
MTD	Month To Date
MAC	Media Access Control

N Full Forms

Abbreviation	Full Form
NGO	Non-Governmental Organization
NASA	National Aeronautics and Space Administration
NDA	Non-Disclosure Agreement
NIC	National Informatics Centre
NIFT	National Institute of Fashion Technology
NIT	National Institute of Technology
NOC	No Objection Certificate
NPCI	National Payments Corporation of India
NPS	National Pension System
NEET	National Eligibility cum Entrance Test
NFC	Near Field Communication
NRE	Non-Resident External
NRO	Non-Resident Ordinary
NLP	Natural Language Processing
NPV	Net Present Value

O Full Forms

Abbreviation	Full Form
OTP	One Time Password
OS	Operating System
OEM	Original Equipment Manufacturer
OOPS	Object Oriented Programming System
OMR	Optical Mark Recognition
OCR	Optical Character Recognition
OPEX	Operating Expenditure
OPD	Outpatient Department
OTA	Over The Air
OCB	Overseas Corporate Body
ONGC	Oil and Natural Gas Corporation
OLAP	Online Analytical Processing
OSS	Open Source Software
OSPF	Open Shortest Path First
ORM	Object Relational Mapping
OSI	Open Systems Interconnection
OKR	Objectives and Key Results
OBC	Other Backward Classes

P Full Forms

Abbreviation	Full Form
PDF	Portable Document Format
PAN	Permanent Account Number
PHP	Hypertext Preprocessor
PSU	Public Sector Undertaking
POS	Point of Sale
PPC	Pay Per Click
PNR	Passenger Name Record
POC	Proof of Concept
PMO	Project Management Office
PII	Personally Identifiable Information
PaaS	Platform as a Service
P2P	Peer To Peer
PID	Proportional Integral Derivative
POP	Post Office Protocol
PPP	Public Private Partnership
PWA	Progressive Web App
PPF	Public Provident Fund

Q Full Forms

Abbreviation	Full Form
QR	Quick Response
QoS	Quality of Service
QPS	Queries Per Second
QMS	Quality Management System
QLED	Quantum Light Emitting Diode
QNX	Real-time Operating System
QBR	Quarterly Business Review
QTL	Quantitative Trait Locus
QOS	Quality Operating System
QAT	Quality Assurance Testing
QIB	Qualified Institutional Buyer
QCI	Quality Council of India
QIP	Qualified Institutional Placement
QPP	Qualified Production Plan

R Full Forms

Abbreviation	Full Form
RAM	Random Access Memory
ROI	Return on Investment
RBI	Reserve Bank of India
RTGS	Real Time Gross Settlement
RFID	Radio Frequency Identification
REST	Representational State Transfer
RPA	Robotic Process Automation
RDBMS	Relational Database Management System
RPM	Revolutions Per Minute
RSA	Rivest Shamir Adleman
RPO	Recovery Point Objective
RTO	Recovery Time Objective
RDP	Remote Desktop Protocol
RSS	Really Simple Syndication
RFP	Request For Proposal
RHEL	Red Hat Enterprise Linux
RCS	Rich Communication Services
RISC	Reduced Instruction Set Computer
RERA	Real Estate Regulatory Authority
RPA	Role Playing Action

S Full Forms

Abbreviation	Full Form
SEO	Search Engine Optimization
SMS	Short Message Service
SQL	Structured Query Language
SIP	Systematic Investment Plan
SaaS	Software as a Service
SSL	Secure Sockets Layer
SSD	Solid State Drive
SMTP	Simple Mail Transfer Protocol
SSO	Single Sign On
SOP	Standard Operating Procedure
SKU	Stock Keeping Unit
SEM	Search Engine Marketing
SCM	Supply Chain Management
SDR	Software Defined Radio
SFTP	Secure File Transfer Protocol
SLA	Service Level Agreement

T Full Forms

Abbreviation	Full Form
TCP	Transmission Control Protocol
TDS	Tax Deducted at Source
TBH	To Be Honest
TOS	Terms of Service
TPM	Trusted Platform Module
TLD	Top Level Domain
TTL	Time To Live
TAT	Turn Around Time
TCO	Total Cost of Ownership
TPA	Third Party Administrator
TMS	Transportation Management System
TPM	Transactions Per Minute
TWS	True Wireless Stereo
TOR	The Onion Router
TDD	Test Driven Development
TTF	TrueType Font
TIN	Taxpayer Identification Number

U Full Forms

Abbreviation	Full Form
URL	Uniform Resource Locator
USB	Universal Serial Bus
UI	User Interface
UX	User Experience
UIDAI	Unique Identification Authority of India
UPI	Unified Payments Interface
UTC	Coordinated Universal Time
UML	Unified Modeling Language
UAT	User Acceptance Testing
UPS	Uninterruptible Power Supply
UGC	User Generated Content
UGCNET	University Grants Commission National Eligibility Test
UIUX	User Interface User Experience

V Full Forms

Abbreviation	Full Form
VPN	Virtual Private Network
VoIP	Voice over Internet Protocol
VAT	Value Added Tax
VCS	Version Control System
VR	Virtual Reality
VUI	Voice User Interface
VTT	Video Text Track
VSync	Vertical Synchronization
VPA	Virtual Payment Address
VPS	Virtual Private Server

W Full Forms

Abbreviation	Full Form
WWW	World Wide Web
WHO	World Health Organization
WiFi	Wireless Fidelity
WFH	Work From Home
WIP	Work In Progress
WAN	Wide Area Network
WPA	WiFi Protected Access
WORM	Write Once Read Many
WMS	Warehouse Management System
WDT	Watchdog Timer

X Full Forms

Abbreviation	Full Form
XML	eXtensible Markup Language
XMPP	Extensible Messaging and Presence Protoco
XTC	Cross Tabulation Chart
XOR	Exclusive OR
XSS	Cross Site Scripting
XQuery	XML Query Language
XSLT	eXtensible Stylesheet Language Transformations
XDRAM	Extended Dynamic RAM
XTC	Cross Tabulation Chart
XUI	XML User Interface

Y Full Forms

Abbreviation	Full Form
YOLO	You Only Live Once
YTD	Year To Date
YAML	Yet Another Markup Language
Y2K	Year 2000
YMYL	Your Money Your Life
YOE	Years Of Experience
YSS	Youth Social Services
YRS	Years
YFS	Yahoo File System
YIP	Yes It’s Possible
Y2K	Year 2000

Z Full Forms

Abbreviation	Full Form
ZIP	Zone Improvement Plan
ZB	Zettabyte
ZIF	Zero Insertion Force
ZKP	Zero Knowledge Proof
ZPA	Zero Power Architecture
ZTNA	Zero Trust Network Access
ZFS	Zettabyte File System
ZBT	Zero Bus Turnaround
ZMOD	Z Modem
ZNS	Zoned Namespace
ZPL	Zebra Programming Language
ZTC	Zero Turnaround Time

Conclusion

Knowing the full form of commonly used abbreviations is essential for clear and confident communication. This all full form guide provides a comprehensive A to Z full form reference, making it easy to understand terms from education, technology, government, medical, and daily usage. Instead of searching multiple sources, you can rely on this full form list as a single resource. With this structured A to Z abbreviation list, students, professionals, and general readers can quickly find accurate meanings, improve their knowledge, and enhance their reading, writing, and communication skills.