Full Forms List A–Z | What Is the Full Form of? Complete Acronyms Guide

Find the full form of any abbreviation instantly. Just type below or scroll to explore all full forms A–Z.

What is the full form of AI?

AI stands for Artificial Intelligence.
It refers to the simulation of human intelligence by machines to perform tasks like learning, reasoning, and problem-solving.

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What is the full form of ATM?

ATM stands for Automated Teller Machine.
It is a banking machine used for withdrawing or depositing cash without visiting a bank counter.

What is the full form of BCA?

BCA stands for Bachelor of Computer Applications.
It’s a 3-year undergraduate course focused on computer programming, software, and IT skills.

What is the full form of CCTV?

CCTV stands for Closed-Circuit Television.
It’s a video surveillance system used for monitoring security in public and private places.

What is the full form of CPU?

CPU stands for Central Processing Unit.
It is the main part of a computer that processes all commands — also called the “brain of the computer.”

What is the full form of DNA?

DNA stands for Deoxyribonucleic Acid.
It’s the molecule that carries genetic information in all living organisms.

What is the full form of ECG?

ECG stands for Electrocardiogram.
It’s a medical test that records the electrical activity of the heart.

What is the full form of FAQ?

FAQ stands for Frequently Asked Questions.
It’s a list of common questions and answers used on websites or documents to help users.

What is the full form of GDP?

GDP stands for Gross Domestic Product.
It measures the total value of goods and services produced within a country during a specific period.

What is the full form of HIV?

HIV stands for Human Immunodeficiency Virus.
It’s a virus that weakens the immune system and can lead to AIDS if untreated.

What is the full form of IP?

IP stands for Internet Protocol.
It defines how data is sent and received over the Internet between computers.

What is the full form of LED?

LED stands for Light Emitting Diode.
It’s an electronic component that emits light when current passes through — used in bulbs, screens, and displays.

What is the full form of MRI?

MRI stands for Magnetic Resonance Imaging.
It’s a medical scanning technique that uses magnetic fields and radio waves to create detailed body images.

What is the full form of OTP?

OTP stands for One-Time Password.
It’s a unique code sent for secure online authentication or verification.

What is the full form of PDF?

PDF stands for Portable Document Format.
It’s a file format developed by Adobe that preserves the layout of documents across devices.

What is the full form of QR?

QR stands for Quick Response.
A QR code is a scannable image that stores data like links or contact info for instant access via smartphone.

What is the full form of SIM?

SIM stands for Subscriber Identity Module.
It’s a small card in mobile phones that stores network and subscriber details.

What is the full form of STD?

STD stands for Subscriber Trunk Dialing.
It allows users to make long-distance telephone calls without operator assistance.

What is the full form of USB?

USB stands for Universal Serial Bus.
It’s a standard connection used to transfer data and power between devices like computers and smartphones.

What is the full form of VPN?

VPN stands for Virtual Private Network.
It creates a secure and encrypted connection over the internet to protect user privacy.

What is the full form of WWW?

WWW stands for World Wide Web.
It’s the system of interlinked web pages accessible through the Internet using browsers.

What is the full form of ZIP?

ZIP stands for Zone Improvement Plan.
It’s a postal code system used by the United States Postal Service to identify mail delivery areas.

What is the full form of API?

API stands for Application Programming Interface.
It allows software applications to communicate and share data with each other.

What is the full form of ASCII?

ASCII stands for American Standard Code for Information Interchange.
It is a character encoding standard used for text in computers and electronic devices.

What is the full form of APK?

APK stands for Android Package Kit.
It’s the file format used to install applications on Android devices.

What is the full form of AR?

AR stands for Augmented Reality.
It overlays digital content like images or text onto the real-world environment through a screen or glasses.

What is the full form of AWS?

AWS stands for Amazon Web Services.
It’s a cloud computing platform that provides online services like storage, hosting, and AI tools.

What is the full form of ADSL?

ADSL stands for Asymmetric Digital Subscriber Line.
It is a type of high-speed internet connection using telephone lines.

What is the full form of AC?

AC stands for Alternating Current.
It is an electric current that changes direction periodically, commonly used in homes and industries.

What is the full form of AD?

AD stands for Anno Domini.
It is a Latin term meaning “In the year of our Lord,” used in the Gregorian calendar for years after Christ’s birth.

What is the full form of ADC?

ADC stands for Analog to Digital Converter.
It converts analog signals (like sound) into digital data that computers can process.

What is the full form of AIDS?

AIDS stands for Acquired Immune Deficiency Syndrome.
It is a disease caused by the HIV virus that weakens the immune system.

What is the full form of AIIMS?

AIIMS stands for All India Institute of Medical Sciences.
It’s a group of prestigious public medical colleges in India.

What is the full form of APKMIRROR?

APKMirror stands for Android Package Mirror.
It’s a website that provides verified APK files for Android apps.

What is the full form of ATM PIN?

ATM PIN stands for Automated Teller Machine Personal Identification Number.
It’s a secure code used to verify the identity of a bank cardholder.

What is the full form of AWS EC2?

EC2 stands for Elastic Compute Cloud.
It’s a part of AWS that provides scalable virtual servers for computing in the cloud.

What is the full form of APKPURE?

APKPure stands for Android Package Pure.
It is an app store providing safe APK downloads for Android users.

What is the full form of AICTE?

AICTE stands for All India Council for Technical Education.
It’s the statutory body that regulates technical education in India.

What is the full form of AIEEE?

AIEEE stands for All India Engineering Entrance Examination.
It was a national-level engineering entrance exam in India, now replaced by JEE Main.

What is the full form of AM?

AM stands for Amplitude Modulation.
It is a method of transmitting radio signals by varying the amplitude of the carrier wave.

What is the full form of APM?

APM stands for Application Performance Management.
It’s a software tool used to monitor and optimize the performance of applications.

What is the full form of ASI?

ASI stands for Archaeological Survey of India.
It is a government agency responsible for archaeological research and conservation of monuments.

What is the full form of APK FILE?

APK File stands for Android Package File.
It contains all components needed to install an Android app.

What is the full form of AIIMS DELHI?

AIIMS Delhi stands for All India Institute of Medical Sciences, New Delhi.
It’s India’s top medical college and hospital.

What is the full form of AOL?

AOL stands for America Online.
It is an American web services company known for its early role in the Internet.

What is the full form of AVI?

AVI stands for Audio Video Interleave.
It’s a multimedia container format for storing video and audio data.

What is the full form of ADIDAS?

ADIDAS stands for All Day I Dream About Sports.
It’s a popular sportswear brand founded in Germany (though this is a backronym, not official).

What is the full form of ACU?

ACU stands for Asian Clearing Union.
It’s a payment arrangement among Asian countries to settle international transactions.

What is the full form of AGM?

AGM stands for Annual General Meeting.
It’s a yearly meeting of company shareholders to discuss performance and elect the board.

What is the full form of ADB?

ADB stands for Asian Development Bank.
It’s an international financial institution that helps promote economic growth in Asia.

What is the full form of ADS?

ADS stands for Advertisement.
It refers to promotional messages used in media to attract customers.

What is the full form of ARMY?

ARMY stands for Alert Regular Mobility Young.
It generally refers to a nation’s land-based military forces.

What is the full form of AIRTEL?

AIRTEL stands for Affection, Interest, Reliability, Telecom, Endurance, and Loyalty.
Unofficially, it’s derived from the company’s founder Sunil Bharti Mittal’s group “Bharti Airtel.”