Nonfunctional requirements refer to behavioral properties that the system must ... Fantasy Sports. Feed Alerts. FIFA World Cup. Finance. Flickr. Food. G. Games ...
Cap 252 - I. Najwa AlGhamdi
a statement of what
the system must do or
characteristics it must have
Written from businessperson perspective (“what” of system)
Later requirements become more technical (“how” of system)
A functional requirement relates directly to a process the system has to perform or information it needs to contain.
Expresses business needs (business requirements)
Nonfunctional requirements refer to behavioral properties that the system must have, such as performance, security, usability, etc...
All classes are fundamental: good throughput with long response times often is unacceptable .