An Automated Teller Machine (ATM) is a computerized machine that provides access to financial transactions in a bank 24/7. The ATM allows customers to perform various banking tasks, such as withdrawing cash, depositing funds, checking account balances, transferring money between accounts, paying bills, and more. The ATM requires a personal identification number (PIN) and a bank card (such as a debit or credit card) to access an individual's account. The ATM is connected to a bank's main computer system, allowing it to update account information and perform transactions in real-time. ATMs are widely available and convenient, allowing individuals to access their bank accounts from almost anywhere at any time.