Processor - Ingenico IWL220 Technical Manual

Operating system: A software program that manages the basic operations of a computer
system. These operations include memory apportionment, the order and method of
handling tasks, flow of information into and out of the main processor and to peripherals,
etc.
P
PCI PED: Payment card industry PIN entry device, a security specification for EFT terminals,
designed to secure the PIN information stored in a terminal from fraudulent activity.
PED: PIN entry device, the secure customer interface module of a payment terminal.
PIN: Personal identification services, it is used as a security device on payment cards
requiring this code to be entered for further verification.
Protocol: Set of rules for organizing the transmission of data in a network.
PSTN: Public switching telephone network
R
RAM: Random access memory
RS-232: RS-232 is the serial connection found on IBM-compatible PCs. It's used it for many
purposes, such as connecting a mouse, printer, external modem, and various peripheral
devices to a PC.
S
SAM: Secure authentication module.
Smart card: A credit card-sized card with a microprocessor and memory.
SRAM: Static random access technology.
T
TCP/IP: (Transmission control protocol/ internet protocol) the standard set of protocols
used by the internet for transferring information between computers, handsets, and other
devices.
U
USB: USB is a plug-and-play interface between a computer and add-on devices (such as
keyboards, printers and other peripheral devices). With USB, a new device can be added to
your computer without having to add an adapter card or having to turn the computer off.
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