Provide and example that explains difference between
usability and functional defects?

Answer Posted / v.lokesh

functional defects-means
Take gmail login as expample: If the given details is tat
is user name and password are invalid then login page
should not open because main behaviour of the application
is not working,this is the founctional defect.mainly it
comes under Functional testing

Usability comes under Non-Functional Testing
(characteristics and features),whether the application is
userfriendly,easy to use,understand,operate
example:ATM machine-a normal person can access the
application because it is userfriendly..

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