Siemens SIMATIC INDUSTRIAL PC PCIL43 - Manual (Page 105)

Glossary
SIMATIC Rack PC IL 43
Operating Instructions, Edition 09/2005, A5E00432875-01
Glossary-9
Windows
Microsoft Windows is a multitasking graphical user interface. Windows provides a standard
graphical interface based on drop-down menus, windowed regions on the screen, and allows
operation with a pointer device such as a mouse.
WLAN
Wireless LAN or wireless LAN is a local network that transmits data via radio waves, infrared
light or another wireless technology. Wireless LAN is mainly used in connection with mobile
computers in the office or in factory environments.