Siemens Simatic 620 Owner's Manual page 192

Glossary
A
AC
Alternating Current. Current that changes its direction at regular intervals.
Access Protection
Access to the programs and data of a programming device can be protected by
passwords. The user password or Superuser password can be assigned in the
BIOS Setup.
ACPI
Advanced Configuration and Power Interface enables the operating system to
supervise the power supply of each device connected to the computer. See also:
Power Management.
APM
Advanced Power Management monitors and conserves power on a PC-based
system, particularly a battery-powered laptop computer, by enabling programs to
communicate their power requirements so that the system can route power away
from unused hardware components.
Application
An application is a program which builds directly on, for example, the
MS-DOS/Windows operating system. Applications on your programming device
are, for example, the STEP 5 Basic package, STEP 7, etc.
ASCII-Editor
With an ASCII editor you can edit text files which are stored in ASCII code.
ATA
Advanced Technology Attachment is the official name for the disk drive interface
standard commonly known as Integrated Drive Electronics (IDE). See also: IDE.
AuthorsW
The authorization can be saved on the aithorization diskette again by the menu
command Start > Simatic > AuthorsW.
Authorization Diskette
The authorization disk contains the authorization required by the re-installation of a
software.
Glossary-2
SIMATIC Box PC 620 Manual
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