Q. Which phase of the software life cycle involves correcting errors in the system after release and revising the system to satisfy new requirements?

View solution

Q. What is the main difference between a formal proof and a rigorous proof?

View solution

Q. What is the "formality gap" referred to in the context of validation proofs?

View solution

Q. What may dictate the extent of proofs carried out in a design project?

View solution

Q. Which type of proof is more commonly used for verification in software development?

View solution

Q. What does the "formality gap" imply for the validation of interactive systems?

View solution

Q. How can the confidence in subjective proof be increased during validation?

View solution

Q. What is the importance of design notations in narrowing the formality gap for validation?

View solution

Q. In the context of software development, why are managerial issues of design important?

View solution

Q. What is the distinction between the technical perspective and the managerial perspective of the software life cycle?

View solution

Q. What does signing off on a requirements specification indicate?

View solution

Q. Why is it worth the effort to understand and improve the interactive system design process?

View solution

Q. Why is it challenging to determine all the requirements for an interactive system from the start?

View solution

Q. How does the formality gap impact the validation of interactive systems?

View solution

Q. How does the life cycle of interactive systems differ from traditional software life cycles?

View solution

Q. What role do experts play in the validation of interactive systems?

View solution

Q. What is a key challenge in managing the development of interactive systems?

View solution

Q. What is the primary challenge in predicting human behavior for designing interactive systems?

View solution

Q. Why are some models of human users not useful at early and abstract stages of design?

View solution

Q. What is the importance of conducting experiments for testing usability properties of designs?

View solution