Vectron POS Vario, User Manual

Page: 190 / 368

190
V eC T rOn POS Ha rdwa re
Term Defintion
Pixel Smallest element of a digital image with
defined coordinates, regarding location and
color.
Port Connection between computers or computers
and peripherals.
POS P oint O f S ale.
PS/2 PC-System developed by IBM with indepen-
dent ports, which are also used on other
platforms.
R AM R andom A ccess M emory, every storage cell
of which can be accessed at will. RAM modu-
les are volatile memory modules. They loose
their contents, if no voltage is applied. see
also SRAM.
S creen saver Serves for protection of screens. After an
adjustable period of system inactivity, the
display either permanently changes or the
screen is switched off. The screen saver is
stopped as soon you touch an input device
(keyboard, touch screen).
S
erial port
Port, which transfers data bit by bit.
Software Heading for every type of computer pro-
grams.
SRAM Static RAM. A permanent quiescent current
preserves the stored information. In switch
off mode, this quiescent current is maintai-
ned by an internal battery.
T FT T hin F ilm T ransistor. Display technique,
which offers a higher contrast and a better
image than customary flat screens.
Touch screen Touch-sensitive screen with input function.
U pdate Loading the most current software into the
respective hardware.