A use case:
A) summarizes an activity, its trigger, input, and output.
B) describes a subsystem of a data flow diagram showing how the processes use data produced by other processes.
C) describes how the data is partitioned into programs for different users.
D) shows when the data is updated, read, created or deleted.

Question

Quizplus · Accepted Answer

A use case is a description of a specific activity or task in a system. It summarizes the trigger that initiates the activity, the input required to perform the activity, and the output that results from completing the activity. Use cases are used to document requirements and provide a clear understanding of how a system should behave in different scenarios.

A Use Case