Vectron POS Modular User Manual page 64

64
RAM ..............................................Random Access Memory = working
ROM ..............................................Read Only Memory = You can only read
Scanner ........................................Device for reading and forwarding bar
Screen saver ...............................Serves for protection of screens. After an
Server ...........................................Central POS system in an ECR network,
Software ......................................Heading for every type of computer pro-
SRAM ...........................................Static RAM. A permanent quiescent cur-
Terminal ......................................Monitor for data display, connected to
Vectron POS Modular
memory
this memory and it keeps the data even
if it is not supplied with power.
codes. The scanner is connected to a
computer or POS system.
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.
which provides the client ECRs with
data, memory and resources. The server
administers the ECR network.
grams.
rent preserves the stored information. In
switch off mode, this quiescent current
is maintained by a battery that is moun-
ted on the main board.
the central computer; data processing
and -storage is made via the central
computer. We distinguish:
• Dumb terminals, which only have
screen and keyboard but not an own
data processor. Data processing is
made by the central computer
• Intelligent terminals correspond mo-
re or less to a complete computer