SOFTWARE RELIABILITY AND QUALITY ASSURANCE 105
Maturity refers to the frequency of failure due to faults in a software product,
the implication being that the more the software has been used, the more faults will
have been uncovered and removed. It is also interesting to note that recoverability
has been clearly distinguished from security which describes the control of access
to a system.
Characteristic Sub-characteristics
Usability Understandability
Learnability
Operability
Understandability is a pretty clear quality to grasp, although the definition
“attributes that bear on the users’ efforts for recognizing the logical concept and
its applicability” in our view actually makes it less clear!
Note how learnability ...