ATM Full Form What is the full form of ATM? The Full form of ATM is Automated Teller Machine (Banking and Finance). Another full form of ATM is Asynchronous Transfer Mode (Information Technology). Automated Teller Machine Automated teller machine (ATM) is an electronic telecommunications apparatus, which permits the clients of financial institutions (e.g., banks) to execute monetary transactions, such as cash withdrawals, deposits, fund transfers, or account information inquiries, anytime around the clock without having direct interaction with the staffs of that financial institute (e.g., bank employees). The basic ATMs are equipped with only one option, cash withdrawals. The advanced ATMs apart from cash withdrawals have multiple functionalities including cash dispensing, PIN generation, cheque deposition, fund transfer, balance inquiry, mini statement generation, bill payment, and mobile recharge. How do ATMs function? In simple words, ATM is a data terminal consistin