Introduction Approach using a Quality Model Limitations References Introduction to ISO 9126 Master on Free Software Felipe Ortega, Daniel Izquierdo, Pedro Coca [email protected]GSyC/Libresoft 17 de noviembre de 2010 Felipe Ortega, Daniel Izquierdo, Pedro Coca Introduction to ISO 9126
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Full name: ISO 9126-1 Software engineering – Product quality– Part 1: Quality model
This model is based on six main attributes
and 27 sub-attributes
Felipe Ortega, Daniel Izquierdo, Pedro Coca Introduction to ISO 9126
IntroductionApproach using a Quality Model
LimitationsReferences
Main attributes
Functionality
Reliability
Usability
Efficiency
Maintainability
Portability
Felipe Ortega, Daniel Izquierdo, Pedro Coca Introduction to ISO 9126
IntroductionApproach using a Quality Model
LimitationsReferences
Functionality sub-attributes
Functionality definition: A set of attributes that bear on theexistence of a set of functions and their specified properties.The functions are those that satisfy stated or implied needs.
Felipe Ortega, Daniel Izquierdo, Pedro Coca Introduction to ISO 9126
IntroductionApproach using a Quality Model
LimitationsReferences
Reliability sub-attributes
Reliability definition: A set of attributes that bear on thecapability of software to maintain its level of performanceunder stated conditions for a stated period of time.
Felipe Ortega, Daniel Izquierdo, Pedro Coca Introduction to ISO 9126
IntroductionApproach using a Quality Model
LimitationsReferences
Usability sub-attributes
Usability definition: A set of attributes that bear on the effortneeded for use, and on the individual assessment of such use,by a stated or implied set of users.
Felipe Ortega, Daniel Izquierdo, Pedro Coca Introduction to ISO 9126
IntroductionApproach using a Quality Model
LimitationsReferences
Efficiency sub-attributes
Efficiency definition: A set of attributes that bear on therelationship between the level of performance of the softwareand the amount of resources used, under stated conditions.
Time behaviorResource utilizationEfficiency compliance
Felipe Ortega, Daniel Izquierdo, Pedro Coca Introduction to ISO 9126
IntroductionApproach using a Quality Model
LimitationsReferences
Maintainability sub-attributes
Maintainability definition: A set of attributes that bear on theeffort needed to make specified modifications.