| H |
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| HDLC |
High-level Data Link Control |
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| Hand Geometry |
A biometric method of personal identification verification that
uses selected dimensions, shape, and other pertinent characteristics
of the cardholder’s hand. |
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| Handshake |
Routine pulse exchanged between the central processing units
of commuters to assure synchronization or that entry to the host
computer is authorized. |
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| Hard Disk |
Plate-sized magnetic device to store large quantities of data
and permit quick access. |
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| Hardware |
Physical devices such and computers, printers, card handlers,
etc. |
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| High-level Data Link Control |
A link control procedure used in packet-switching networks.
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| Heat Dissipation |
Energy that, when used in a chip, generates an elevated temperature
of the exposed surfaces and must be transferred away in order to
avoid chip, chip carrier, or card damage. |
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| Hermetic Seal |
Completely sealed against external substances such as liquids
and gases. |
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| Hexadecimal |
Numbering system using a base of 16. A shorthand for computer
programmers. |
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| Holder |
The individual or business in whose name a payment device is
issued. (This may not be the device user). |
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| Hologram |
Unique photographic printing that gives the image a three-dimensional
effect. |
|
| Hologram Card |
An identification card bearing a hologram as a security measure
against counterfeiting. |
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| Holographic Foil |
The foil used to carry embossed holographic images. |
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| Home Banking |
System that allows customers to access banking services from
home, e.g., inquiries, transfers, via devices such as telephones,
televisions, personal computers, screen phones. |
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| Host |
Central computers with which an on-line terminal communicates.
|
|
| Host Security Module |
A physically secure device used to support cryptographic functions
and perform SAM functionality on a host system. |
ISO |
| Hot List |
A compilation of lost, stolen, over limit, or counterfeit cards,
which may be used to verify the legitimacy of the transaction during
authorization. |
|
| Humidity |
A measure of moisture in the air. ISO standard identification
cards are supposed to stay useable in the humidity range 5% to
95 % with a maximum wet bulb temperature of 25 degrees Celsius.
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