Q. What is the main difference between BNF and regular expressions in terms of representing user actions?

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Q. Which of the following is NOT a characteristic of regular expressions?

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Q. What is the basic unit considered in text editors and lexical analyzers when using regular expressions?

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Q. Which notation is known for using connectives to denote sequence and choice?

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Q. Which of the following is a drawback of using regular expressions for dialog design?

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Q. Which notation is particularly suitable for representing named non-terminals and recursive definitions?

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Q. What is the primary difference between regular expressions in text editors and those used in dialog design?

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Q. In regular expressions, what does the Kleene star operator (*) represent?

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Q. How does BNF represent iteration in comparison to regular expressions?

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Q. Which of the following cannot be represented using regular expressions with the Kleene star operator?

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Q. What characteristic makes regular expressions and BNF suitable for low-level dialog descriptions?

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Q. What is a potential limitation of using regular expressions as a dialog notation?

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Q. What advantage is associated with using existing tools for executing BNF and regular expressions?

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Q. What level of dialog is often the focus when using regular expressions as a notation?

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Q. What type of dialog element is NOT handled well by regular expressions and BNF?

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Q. What is the key consideration for determining whether to use BNF, regular expressions, or other notations for dialog representation?

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Q. What is the general form of production rules?

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Q. What happens when the conditions of a production rule become true?

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Q. In production rule systems, what does the term "event-oriented" refer to?

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Q. What type of events are represented in angle brackets in production rule systems?

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