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    how many product quality factors are proposed in mccall quality model?

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    How many product quality factors are proposed in McCall quality model?

    How many product quality factors are proposed in McCall quality model? (a) 2 (b) 3 (c) 11 (d) 8

    How many product quality factors are proposed in McCall quality model?

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    McCall's Quality Model

    A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.

    McCall’s Quality Model

    Difficulty Level : Medium

    Last Updated : 23 Jun, 2022

    McCall software quality model was introduced in 1977. This model is incorporated with many attributes, termed as software factors, which influence a software. The model distinguishes between two levels of quality attributes :

    Quality Factors –

    The higher level quality attributes which can be accessed directly are called quality factors. These attributes are external attributes.The attributes in this level are given more importance by the users and managers.

    Quality Criteria –

    The lower or second level quality attributes which can be accessed either subjectively or objectively are called Quality Criteria. These attributes are internal attributes. Each quality factor has many second level of quality attributes or quality criteria.

    Example –

    Usability quality factor is divided into operability, training, communicativeness, input/output volume, input/output rate. This model classifies all software requirements into 11 software quality factors. The 11 factors are organised into three product quality factors – product operation, product revision, and product transition factors.

    The following are the product quality factors –

    1. Product Operation :

    It includes five software quality factors, which are related with the requirements that directly affect the operation of the software such as operational performance, convenience, ease of usage and its correctness. These factors help in providing a better user experience.

    Correctness –

    The extent to which a software meets its requirements specification.

    Efficiency –

    The amount of hardware resources and code the software, needs to perform a function.

    Integrity –

    The extent to which the software can control an unauthorized person from the accessing the data or software.

    Reliability –

    The extent to which a software performs its intended functions without failure.

    Usability –

    The extent of effort required to learn, operate and understand the functions of the software.

    2. Product Revision :

    It includes three software quality factors, which are required for testing and maintenance of the software. They provide ease of maintenance, flexibility and testing effort to support the software to be functional according to the needs and requirements of the user in the future.

    Maintainability –

    The effort required to detect and correct an error during maintenance phase.

    Flexibility –

    The effort needed to improve an operational software program.

    Testability –

    The effort required to verify a software to ensure that it meets the specified requirements.

    3. Product Transition :

    It includes three software quality factors, that allows the software to adapt to the change of environments in the new platform or technology from the previous.

    Portability –

    The effort required to transfer a program from one platform to another.

    Re-usability –

    The extent to which the program’s code can be reused in other applications.

    Interoperability –

    The effort required to integrate two systems with one another.

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    Software Reliability Questions and Answers

    This set of Software Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Software Reliability”. 1. Which of the following is not a phase of “bathtub curve” of hardware reliability? a) Useful Life b) Burn-in c) Wear-out d) Time 2. How is reliability and failure intensity related to each other? a) direct relation b) inverse ... Read more

    Software Engineering Questions and Answers – Software Reliability

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    This set of Software Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Software Reliability”.

    1. Which of the following is not a phase of “bathtub curve” of hardware reliability?

    a) Useful Life b) Burn-in c) Wear-out d) Time View Answer

    2. How is reliability and failure intensity related to each other?

    a) direct relation b) inverse relation c) no relation

    d) none of the mentioned

    View Answer

    3. How many product quality factors are proposed in McCall quality model?

    a) 2 b) 3 c) 11 d) 8 View Answer

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    4. Which one of the following is not a software quality model?

    a) ISO 9000 b) McCall model c) Boehm model d) ISO 9126 View Answer 5. What is MTTF ?

    a) Maximum time to failure

    b) Mean time to failure

    c) Minimum time to failure

    d) None of the mentioned

    View Answer

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    6. How is software reliability defined?

    a) time b) efficiency c) quality d) speed View Answer

    7. Suitability, Accuracy, Interoperability, and security are what type quality attribute of ISO 9126 ?

    a) Reliability b) Efficiency c) Functionality d) Usability View Answer advertisement

    8. Time Behavior and Resource Behavior fall under which quality attribute of ISO 9126 ?

    a) Reliability b) Efficiency c) Functionality d) Usability View Answer 9. NHPP stands for

    a) Non Homogeneous Poisson Product

    b) Non-Hetrogeneous Poisson Product

    c) Non-Hetrogeneous Poisson Process

    d) Non Homogeneous Poisson Process

    View Answer advertisement

    10. The CMM model is a technique to

    a) automatically maintain the software reliability

    b) improve the software process.

    c) test the software

    d) all of the mentioned

    View Answer

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    To practice all areas of Software Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers on Software Engineering.

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