Siemens SIMATIC Box PC 620 Manual page 190

Glossary
A
Access Protection
Access to the programs and data of a programming device can be protected by
passwords.
Application
An application is a program which builds directly on, for example, the operating
system. Applications on your programming device are MS-DOS/Windows, the
STEP 5 Standard package, GRAPH 5 etc.
ASCII Editor
With an ASCII editor you can edit text files that are stored in ASCII code (American
Standard Code of Information Interchange).
B
Base Memory
The base memory is a part of the main memory. It is 640 Kbytes for all program-
ming devices. The size is entered in the SETUP menu under the entry "Base
Memory" and is not changed even if the memory is extended.
Bps
The speed (in bits per second) with which information is transmitted over a data
link.
BIOS
BASIC Input Output System
Boot Diskette
A diskette which includes a boot sector, enabling it to load the operating system
from the diskette.
Booting
A loading operation which transfers the operating system to the main memory.
Glossary-2
SIMATIC Box PC 620 Manual
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