One of the most common mistakes by new analysts is to confuse functional and nonfunctional requirements. Given the following list of requirements for a sales system: Requirements for the Proposed System
The system should
1. Be accessible to Web users;
2. Include the company standard logo and color scheme;
3. Restrict access to profitability information;
4. Include actual and budgeted cost information;
5. Provide management reports;
6. Include sales information that is updated at least daily;
7. Have two-second maximum response time for predefined queries and ten-minute maximum response time for ad hoc queries;
8. Include information from all company subsidiaries;
9. Print subsidiary reports in the primary language of the subsidiary;
10. Provide monthly rankings of salesperson performance.
Questions
1. Which requirements are functional business requirements? Provide two additional examples.
2. Which requirements are nonfunctional business requirements? What kind of nonfunctional requirements are they? Provide two additional examples.
Functional
The following requirements are functional requirements: Provide management reports, Include information from all company subsidiaries, Print subsidiary reports in the primary language of the subsidiary, Include actual and budgeted cost information, provide monthly rankings of salesperson performance. Two additional examples of functional requirements are data must be approved by a manager before it can be entered into the system and only managers or administrators have the ability to approve data to be entered into the system.
Non-Functional
The following requirements are Non-functional requirements: Be accessible to Web users (Performance), Include the company standard logo and color scheme (Information requirement), Restrict access to profitability information (Control and security requirement), Include sales information that is updated at least daily (Information requirement),