ATM means automatic teller machines. It is a highly sophisticated mechatronics device that uses a magnetic card or smart IC card to store user information and enter a password through an encrypted keyboard (EPP). Then it authenticates and conducts various transactions through the bank's internal network. With the appearance of equipment and ATM, the work pressure of bank counter personnel has been relieved, and it has provided a safe and convenient financial service experience for humans.
The functions of ATM mainly include basic functions such as cash withdrawals, cash deposits, cash deposits and withdrawals, balance inquiries, bank or bank transfer, and changing passwords; some multi-function ATMs also provide such things as passbook printing, statement printing, and check deposits. Envelope deposits, payment, recharge and a series of convenient services.