A message that is returned by a smart card when it is powered up The ATR indicates the card type, communication protocol and other basic information that is used to determine the parameters for the communication between the card and the interface device
Acceptance Test Review; Air Traffic Plans & Requirements Service; Air Traffic Requirements
address tracing Classical ``address tracing'' gathers a list of instruction and/or data memory references performed by a system There are many variations, such as tracing only targets of control transfers or tracing other resources
Area Telephone Representative The ATR is the person responsible for ordering telephone service for a campus department You can search for your department's ATR on the Communications Resources Web site
A data string returned by a smart card when the microprocessor in the card is physically reset Two types of data strings are standardized: They are described as asynchronous transfer protocols T=0 and T=1