User manual

Glossary
BIOS
Basic Input/Output System. The part of the operating system responsible
for communication with the peripheral units.
Bit
A bit is a binary digit (0 or 1). It is the smallest unit used in data processing.
CMOS-RAM
Complementary Metal-Oxide Semiconductor-Random Access Memory
COM
Communication port (V.24 serial interface)
Controller
Controls the input and output of data in a data processing system or be-
tween a computer and its peripheral devices.
CPU
Central Processing Unit. This is the main component of a data processing
system. It monitors all processes and makes data and programs available.
The CPU consists of the input/output control unit, the processor and the
main memory, which is subdivided into ROM and RAM.
ECR
Electronic Cash Register
EMS
Expanded Memory Specification. Standard for communication between
programs for expanded memory management and applications that requi-
re expanded memory.
FLASH EPROM
Flash Eraseable Programmable Read Only Memory. A memory chip that
is programmable using flash technology.
GB - 120