what is atm machine

An Automated Teller Machine (ATM) is an electronic banking outlet that enables customers of financial institutions to perform basic financial transactions independently and at any time. It is a self-service device, typically accessed with a debit or credit card and a Personal Identification Number (PIN), offering 24x7 convenience. Primary functions include:

• Cash withdrawals
• Checking account balances
• Transferring funds
• Depositing cash or cheques (in advanced models)