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Question

Which statement(s) is/are false?

P: The Cleanroom software-engineering methodology for high reliability uses incremental software development.

Q: Clean-room reimplementation, with implementers separated from the original source code, is a technique for reducing unconscious copying of that code.

Choose the correct answer from the code given below.

The correct answer is

Neither P and Q

Neither P nor Q is false. P describes the Cleanroom reliability process, which uses incremental development, correctness verification and statistical testing. Q describes clean-room reimplementation: separating implementers from the original source code helps avoid unconscious copying. These are distinct uses of the term; the reliability process itself is not a copyright or patent clearance guarantee.

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Important Questions from Spiral - Teaching

  1. Assume that the software team defines a project risk with 80% probability of occurrence of risk in the following manner :

    Only 70 percent of the software components scheduled for reuse will be integrated into the application and the remaining functionality will have to be custom developed. If 60 reusable components were planned with average component size as 100 LOC and software engineering cost for each LOC as \(\$\) 14, then the risk exposure would be

  2. Spiral model of software development is also known as ______.

  3. Identify the correct statements from the following regarding spiral model.

    A. Spiral model is an incremental process model.

    B. Spiral model is a risk - driven process mode.

    C. Spiral model is an acyclic balancing approach.

    D. Spiral model involves a set of anchor point milestone.

    Choose the correct answer from the options given below:

  4. ___________ model couples the iterative nature of the prototyping with the controlled and systematic aspects of the linear sequential model.

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