The Functional Requirement specifies how the system or application SHOULD DO where in. Non- Functional Requirement it specifies how the system or application SHOULD BE.
Some Functional Requirements are,
Authentication
Business Rules
Historical Data
Legal and Regulatory Requirements
External Interfaces
Some Non-Functional Requirements are,
Performance
Reliability
Security
Recovery
Data Integrity
Usability
Tuesday, September 20, 2011
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