1000 sap-interview-qa
The document discusses the architecture of the SAP R/3 system. It provides details on various components like the dispatcher, work processes, services, roll and page areas, layers, instances, basis configurations, and interfaces. Key points covered are: - The R/3 basis system guarantees integration of all application modules and provides a runtime environment and administration tools. - The main interfaces are the presentation interface, database interface, and operating system interface. - The dispatcher manages transaction load and distribution to work processes, which handle individual dialog steps and processing. - Communication uses message and gateway services. The update work process triggers database changes. - The system has presentation, application, and database layers.
