An ATM (Automated Teller Machine) allows users to perform basic banking transactions without visiting a bank. It works by connecting to the bank’s central system through a secure network. When a user inserts their debit or credit card and enters a PIN, the ATM verifies the information with the bank. Once authenticated, the user can withdraw cash, check balances, or transfer funds. The machine dispenses cash using a mechanism that counts and delivers notes accurately and updates the account balan