PAI, the value must be input into the fields first before it can be placed in the buffer.
Transactions:
A transaction is a program that conducts a dialog with the user. In a typical dialog, the system displays a screen on which the user can enter or request information. Based on the the user input or request, the program executes the appropriate actions like, it branches to the next screen, displays an output, or changes the database.
Explain what is a transaction in SAP terminology.
- In SAP terminology, a transaction is series of logically connected dialog steps.
Explain how SAP GUI handles output screen for the user.
- User terminal input is accepted by SAP GUI and sent to the SAP dispatcher. The dispatcher co-ordinates the information exchange between the SAP GUIs and the work processes. The dispatcher first places the processing request in request queues, which it then processes. The dispatcher dispatches the requests to the available work process. The actual processing takes place in the work process. When processing is complete, the result of a work process is returned via the dispatcher to the SAP GUI. The SAP GUI interprets the received data and generates the output screen for the user.