ATM may refer to any of the following:

  1. 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.

  2. 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. The picture shows an example of what a typical ATM looks like today.

  • Network and network card help and support.
  1. Shorthand for at the moment, ATM is commonly used in chat-based communications. Below are examples of how this could be used in chat.

I’m busy ATM.ATM I’m watching the Simpson’s.

Cell, Chat terms, Computer acronyms, Network terms, NSAP, NSPA, VCI