What Is Atm
ATM may refer to any of the following: Short for asynchronous transfer mode, ATM is a dedicated-connection switching technology that organizes digital data into 53-byte cell units for transmission. ATM can transmit data at speeds of 155 or 622 MBps and faster. Short for automated teller machine, an ATM dispenses money from a person’s account at banks. The first U.S. ATM was put in service at 9:00 A.M. on September 2, 1969....