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Dieses Lehr- und Übungsbuch zeigt anhand von praxisnahen Aufgabenstellungen Einsatzmöglichkeiten von Speicherprogrammierbaren Steuerungen am Beispiel der SIMATIC-S7. Neben den Programmiersprachen AWL, FUP, KOP behandelt das Buch auch Programmbeispiele in GRAPH, SCL und HiGRAPH. Die vielen Beispielaufgaben mit sehr ausführlichen Lösungen behandeln Verknüpfungs- und Ablaufsteuerungen, Aufgaben mit Digitaloperationen...
We analyze two days of queries to the popular NCSA Mosaic server to assess the geographic distribution of transaction requests. The wide geographic diversity of query sources and popularity of a relatively small portion of the web server file set present a strong case for deployment of geographically distributed caching mechanisms to improve server and network efficiency.The NCSA web server consists...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.