Siemens SIMATIC PG 720 P Manual page 112

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
MS-DOS/Windows operating system. Applications on your programming
device are the STEP 5 Basic package, GRAPH 5, etc.
ASCII Editor
With an ASCII editor you can process (that is, edit) text files which 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
programming devices. The size is entered in the SETUP menu under the
entry "Base Memory" and is not changed even if the memory is extended.
Basic Package
This is a software package which represents the basis for all other STEP 5
STEP 5
software packages. With the programming device (PG 720), this package is
used to program programmable logic controllers of the SIMATIC S5 family.
The language used is known as STEP 5.
BIOS BASIC Input Output System
Boot Diskette
A diskette which includes a boot sector, enabling it to load the operating
system.
Booting A loading operation which transfers the operating system to the main
memory.
Bps
The speed (in bits per second) with which information is transmitted over a
data link.
Glossary-2
PG 720 P Programming Device
C79000-G7076-C721-02