The correct answer is: A. System - test data
System test data is not a tool used for system analysis. It is a tool used for system testing. System testing is a process of verifying that a system meets its requirements. System test data is used to provide input to the system and to verify the output of the system.
The other options are all tools used for system analysis.
- A decision table is a tool used to represent the logic of a system. It is a table that shows the possible inputs to a system and the corresponding outputs.
- A data flow diagram is a tool used to represent the flow of data through a system. It is a diagram that shows the sources and destinations of data, as well as the processes that transform data.
- A flowchart is a tool used to represent the flow of control through a system. It is a diagram that shows the steps in a process and the order in which they are executed.
I hope this helps!