Specifications

GLOSSARY
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1999 LinkPoint® International, Inc. 116 L3FRET1 Reference Manual
CPU
Central Processing Unit. The brain of the computer or
terminal that controls either directly or indirectly every
function and device associated with the computer/terminal.
Customer ID Number
A number used by merchants to identify themselves to the
host computer at their bank or financial institution.
Data
Information prepared in a particular format for use by the
terminal or host computer for a specific transaction or
operation.
Display
The small screen on the terminal that displays messages to
guide users through different operations and to alert users
when errors or problems occur.
EPROM
Erasable Programmable Read-Only Memory. A type of
memory chip permanently stored in the terminal. Contains
the standard application, operating system, and fixed
prompts.
File
A collection of related data.
Force (host response)
There was a discrepancy between the transactions sent to the
host and the transactions stored in the host computer. The
terminal forced closure, the batch was successfully closed,
and the transactions sent to the host computer.
Fraud Control
Measures taken to prevent unauthorized use of a credit or
debit card.
Host Computer
A computer used to process credit card and debit card
transactions.
Invalid (host response)
One or more credit card numbers sent to the host computer
were invalid. The terminal forced closure, the batch was
successfully closed, and the information sent to the host
computer.
Keypad
The key panel used for entering data and performing
operations.
Manual Transaction
Transaction using account information entered from the
keypad rather than automatic reading devices such as the
card reader.
PIN
Personal Identification Number. A four- to sixteen-digit
confidential code or electronic signature used by the card
holder to identify themselves to the host computer as the
proper user of a credit or debit card.