The full form of ATM is Automated Teller Machine. It is an electro-mechanical machine that is used for withdrawing money from bank accounts. In banks, a person called the teller counts cash hands it over to the customers. In the same manner an ATM(Automated Teller Machine)provides you with the cash you need. It allows card holders to withdraw money from their bank accounts without approaching the bank to get the money.
Banking processes become very easy because ATMs are automatic and there is no need for cashiers for this transaction. To use an ATM, you would have to insert your ATM card inside the machine. These cards will contain your account details and other information in the form of a magnetic strip. Apart from withdrawing cash, a few ATMs also provide functionalities like cash and cheque deposit, balance enquiries, PIN change and mini statements, etc.