The full form of ATM is Automated Teller Machine.
ATM Extends -
A- Automated
T - Teller
M - Machine
The full form of ATM is Automated teller Machine, it is an electro-mechanical machine which consists of automated banking platforms that allow clients to perform smooth transactions without the assistance of a branch representative or teller. A debit card or credit cardholders should be able to withdraw cash at most ATMs.