Q. What does multi-threading of the user-system dialog allow?

View solution

Q. What is an example of concurrent multi-threading in a multi-modal dialog?

View solution

Q. What dimension characterizes how separate modalities are combined to form a single input or output expression in a multi-modal system?

View solution

Q. In a windowing system, how does each window represent a different task in the multi-threaded dialog?

View solution

Q. What is task migratability concerned with?

View solution

Q. Why is spell-checking a good example of the need for task migratability?

View solution

Q. What is the concept of substitutivity?

View solution

Q. What is representation multiplicity in the context of substitutivity?

View solution

Q. How does equal opportunity blur the distinction between input and output?

View solution

Q. What is the principle of "If you can see it, you can use it!" according to Thimbleby?

View solution

Q. How is customizability defined with respect to the user interface?

View solution

Q. What is the difference between adaptability and adaptivity in the context of customizability?

View solution

Q. What is an example of lexical customization in customizability?

View solution

Q. What does observability refer to in the context of robustness?

View solution

Q. What is the purpose of browsability in achieving robustness?

View solution

Q. How should browsing commands affect the domain-specific parts of the internal state?

View solution

Q. What does the principle of "defaults" contribute to robustness in the user interface?

View solution

Q. What is the purpose of "reachability" in the context of robustness?

View solution

Q. How does "persistence" contribute to robustness in user interactions?

View solution

Q. How does providing default values contribute to error prevention?

View solution