(4.3)--Supplementarymaterial3.pdf

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1、Definition of Event1.Occurrence happening at a determinable time and place,with or withoutthe participation of human agents.It may be a part of a chain ofoccurrences as an effect of a preceding occurrence and as the cause of asucceeding occurrence.2.Arrival of a significant point in time.In project

2、management,anevent marks the point in time when a task is completed.See also events.3.Event is an action or occurrence detected by a program.Events canbe user actions,such as clicking a mouse button or pressing a key,or system occurrences,such as running out of memory.Mostmodern applications,particu

3、larly those that runin Macintosh and Windows environments,are said to be event-driven,because they are designed to respond to events.4.ITIL defines an event as any detectable or discernable occurrence thathas significance for the management of the IT infrastructure or the deliveryof IT service and evaluation of the impact a deviation might cause to theservices.(ITIL Service Operation book,Page 35).By-Webopedia Staff