Q. Why might a formal specification still have ambiguities despite its claim to eliminate ambiguity?

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Q. In a small group where a specification is developed in cooperation, why is extensive documentation less crucial?

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Q. What does the process of checking a formal specification for internal consistency involve?

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Q. Which benefit of formal specifications is highlighted as a chief advantage from a software engineering perspective?

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Q. What is the primary purpose of model-oriented notations in software engineering?

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Q. What is the benefit of using abstractness in model-oriented notations during the design process?

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Q. How are non-standard types defined in model-oriented notations like Z?

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Q. What is a schema in the context of Z notation?

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Q. How are ordered tuples represented in Z notation?

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Q. In the context of Z notation, how does a schema type relate to programming languages like Pascal or C?

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Q. What does the sequence type "History == seq Keystroke" represent in Z notation?

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Q. How is the concatenation of two sequences represented in Z notation?

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Q. What dual role do functions play in model-oriented notations?

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Q. How are operations defined in Z notation for a graphics system like Zdraw?

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Q. What does the schema State describe in the context of the graphics system Zdraw?

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Q. What is the purpose of the state invariant in schema State for Zdraw?

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Q. How is the initial state of the geometric modeling system defined in Z notation?

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Q. How are operations defined in Z notation related to the state of the system?

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Q. What is the primary purpose of the Unselect operation in Zdraw?

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Q. What is the framing problem in the context of formal specifications for interactive systems?

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