The full form of ATM in banking terms is Automated Teller Machine. ATMs are electronic devices that allow customers to perform various banking transactions without the need for a human teller. These transactions can include withdrawing cash, depositing money, checking account balances, and transferring funds between accounts. ATMs have become an essential part of modern banking, providing convenience and accessibility to customers around the clock. They serve as a critical link between banks and their clients, allowing for quick and efficient access to financial services.