Appendix C. Glossary - VeriFone Omni 3200 Reference Manual

Appendix C.
Glossary
ABA. Abbreviation for 'American Bankers Association'. The Omni
3200 card reader can read ABA information stored on track 2 of a
card's magnetic stripe.
Access Code. A code number dialed to gain access to a telephone
line, such as dialing the number '9' to reach an outside line.
ACK. Short for 'positive acknowledgment'. An ACK signal confirms
that the previous messages sent from one device to another were
received correctly. See also 'Control Characters'.
Application ID. An alphanumeric code that identifies an application
program downloaded to a terminal from a download computer. For
ZONTALK application downloads, the application ID is stored in the
CONFIG.SYS record which begins with the *ZA. key. An Omni
3200 application ID can be up to 21 characters long.
Application Program. The ordered set of programmed instructions
by which a computer performs an intended task or series of tasks.
Application Prompt. The information shown on the terminal's
display panel when power is applied to the terminal, assuming that an
application program has already been downloaded into the terminal's
memory. The application prompt often contains the date and time, but
it can consist of anything the programmer chooses for that purpose.
ASCII. Abbreviation for 'American Standard Code for Information
Interchange'. A 7-bit code (with no parity bit) that provides a total of
128 bit patterns. ASCII codes are widely used for information
interchange in data processing and communication systems.
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