Important Full Forms (A to Z) – Complete Guide for Students & all Exams 2026 (Govt./ Private Sectors) : Computer, Banking, Education, Medical Healthcare & General Terms : –

Computer Related Full Forms:

ALU – Arithmetic Logic Unit

AI – Artificial Intelligence

ASCII – American Standard Code for Information Interchange

ANSI – American National Standards Institute

CU – Control Unit

CPU – Central Processing Unit

BIOS – Basic Input Output System

RAM – Random Access Memory

ROM – Read Only Memory

HDD – Hard Disk Drive

GPU – Graphics Processing Unit

HDD – Hard Disk Drive

USB – Universal Serial Bus

OS – Operating System

GUI – Graphical User Interface

SSD – Solid State Drive

CD – Compact Disc

DVD – Digital Versatile Disc

BD – Blu-ray Disc

CLI – Command Line Interface

API – Application Programming Interface

JS – JavaScript

HTML – HyperText Markup Language

CSS – Cascading Style Sheets

XML – Extensible Markup Language

SQL – Structured Query Language

JSON – JavaScript Object Notation

URL – Uniform Resource Locator

PDF – Portable Document Format

WWW – World Wide Web

ISP – Internet Service Provider

ML – Machine Learning

AR – Augmented Reality

VR – Virtual Reality

IoT – Internet of Things

OMR – Optical Mark Recognition

OCR – Optical Character Recognition

MICR – Magnetic Ink Character Recognition

VPN – Virtual Private Network

SSL – Secure Sockets Layer

TLS – Transport Layer Security

HTTP – HyperText Transfer Protocol

HTTPS – HyperText Transfer Protocol Secure

FTP – File Transfer Protocol

IP – Internet Protocol

LAN – Local Area Network

WAN – Wide Area Network

MAN – Metropolitan Area Network

DNS – Domain Name System

SAN – Storage Area Network

IDE – Integrated Development Environment

SDK – Software Development Kit

POP – Post Office Protocol

SMTP – Simple Mail Transfer Protocol

MAC – Media Access Control

PCI – Peripheral Component Interconnect

TCP – Transmission Control Protocol

DRAM – Dynamic RAM

SRAM – Static RAM

CRUD – Create, Read, Update, Delete

2FA – Two-Factor Authentication

MFA – Multi-Factor Authentication

UTF – Unicode Transformation Format

DL – Deep Learning

RPA – Robotic Process Automation

JSON – JavaScript Object Notation

CD-ROM – Compact Disc Read-Only Memory

BD-ROM – Blu-ray Disc Read-Only Memory

CRM – Customer Relationship Management

ERP – Enterprise Resource Planning

OOP – Object-Oriented Programming

DBMS – Database Management System

AES – Advanced Encryption Standard

SaaS – Software as a Service

PaaS – Platform as a Service

IaaS – Infrastructure as a Service

Banking & Financial Related Full Forms :

BANK – Borrowing Accepting Negotiating Keeping (popular form)

ATM – Automated Teller Machine

IFSC – Indian Financial System Code

IMPS – Immediate Payment Service

NEFT – National Electronic Funds Transfer

RTGS – Real Time Gross Settlement

MICR – Magnetic Ink Character Recognition

KYC – Know Your Customer

NPA – Non-Performing Asset

RBI – Reserve Bank of India

SBI – State Bank of India

PNB – Punjab National Bank

ICICI – Industrial Credit and Investment Corporation of India

HDFC – Housing Development Finance Corporation

EXIM – Export-Import Bank of India

NABARD – National Bank for Agriculture and Rural Development

GDP – Gross Domestic Product

UPI – Unified Payments Interface

OTP – One Time Password

POS – Point of Sale

ECS – Electronic Clearing Service

IMD – Immediate Money Transfer

BBPS – Bharat Bill Payment System

IPO – Initial Public Offering

SIP – Systematic Investment Plan

PPF – Public Provident Fund

GST – Goods and Services Tax

PAN – Permanent Account Number

TAN – Tax Deduction and Collection Account Number

NSC – National Savings Certificate

TDS – Tax Deducted at Source

GST – Goods and Services Tax

EMI – Equated Monthly Installment

SWIFT – Society for Worldwide Interbank Financial Telecommunication

FD – Fixed Deposit

NPS – National Pension System

RD – Recurring Deposit

LTV – Loan to Value

CC – Cash Credit

OD – Overdraft

Medical & Health Care Related Full Forms :

OPD – Out Patient Department

ICU – Intensive Care Unit

ECG / EKG – Electrocardiogram

MRI – Magnetic Resonance Imaging

X-Ray – X-Radiation Imaging

AIDS – Acquired Immunodeficiency Syndrome

HIV – Human Immunodeficiency Virus

TB – Tuberculosis

COVID – Coronavirus Disease

USG – Ultrasonography

CBC – Complete Blood Count

CRP – C-Reactive Protein

EEG – Electroencephalogram

LASIK – Laser-Assisted In Situ Keratomileusis

WHO – World Health Organization

ICMR – Indian Council of Medical Research

NHS – National Health Service

FDA – Food and Drug Administration

OTC – Over The Counter

BID – Twice a Day

IV – Intravenous

NSAID – Non-Steroidal Anti-Inflammatory Drug

NIH – National Institutes of Health

BP – Blood Pressure

CDC – Centers for Disease Control and Prevention

UN – United Nations (Health Programs)


HIS – Hospital Information System

mHealth – Mobile Health

Telemedicine – Remote Healthcare Services

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