Vectron POS Vario Manuel Utilisateur page 190

V e C T rOn P O S H a rdwa re
Term
Pixel
Port
POS
PS/2
RAM
Screen saver
S
erial port
Software
SRAM
TFT
Touch screen
Update
190
Smallest element of a digital image with
defined coordinates, regarding location and
color.
Connection between computers or computers
and peripherals.
Point Of Sale.
PC-System developed by IBM with indepen-
dent ports, which are also used on other
platforms.
Random Access Memory, 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.
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).
Port, which transfers data bit by bit.
Heading for every type of computer pro-
grams.
Static RAM. A permanent quiescent current
preserves the stored information. In switch
off mode, this quiescent current is maintai-
ned by an internal battery.
Thin Film Transistor. Display technique,
which offers a higher contrast and a better
image than customary flat screens.
Touch-sensitive screen with input function.
Loading the most current software into the
respective hardware.
Defintion