Blackberry 7130E - VERSION 4.1 Manuel d'utilisateur télécharger pdf (Page 7)

Security Assumption

It was assumed that the BlackBerry’s password login feature would be used to provide

security for the system. When this feature is used, a password is required before any

applications can be accessed.

Design

The following is the traceability from the requirements to the use cases, a description of

the use cases for the Weight Tracker system, and a discussion of the known issues and

the decisions and trade-offs.

Use Cases

The Weight Tracker system consists of seven use cases: Welcome, Goal, Weigh-in,

Progress, Calculate, Listener and MaintainDatabase. The following matrix shows the

traceability from the requirements to the use cases:

Requirement

User Case

Welcome

Goal

Weigh-in

Progress

MaintainDatabase

10.

Calculate

11.

Calculate

12.

TrackerListener

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Blackberry 7130E - VERSION 4.1 Manuel d'utilisateur Page 7