25.6 Case Study: A Voice Mail System
- Simulation of a simple voice mail system
- 3 events:
- Press a button - a single numeric character ('#' denotes
end of sequence)
- Hang up - 'H' by itself
- Speak - any other input
- Analysis phase: first formal step
- Define behavior of system through use cases
- Not a full spec (limitations, performance, etc.)
prev
|top
|next