What components of the R/e system initiate the start of background jobs at the specified time?
The batch scheduler initiates the start of background job. The dispatcher then sends this request to an available background work process for processing. 16. Define Instance. An instance is an administrative unit in which components of an R/3 systems providing one or more services are grouped together. The services offered by an instance are started and stopped at random. All components are parameterized using a joint instance profile. A central R/3 system consists of a single instance in which all-necessary SAP services are offered. Each instance uses separate buffer areas. 17. From hardware perspective, every information system can be divided into three task areas Presentation, Application Logic and Data Storage. The R/3 Basis software is highly suitable for use in multi-level client/server architectures.
