Q. In the refined matrix, which class of systems is characterized by having centralized data and allowing users to operate in closely coupled modes or one at a time?

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Q. What is the primary purpose of sharing information in electronic conferences and shared workspaces?

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Q. In terms of granularity, what is the range of chunk sizes for sharing in groupware systems?

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Q. What is an important consideration for systems that allow fine-grained chunk sizes in terms of updates?

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Q. What type of systems allow for long-lived floor holders and show updates immediately, even with locks on larger chunks?

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Q. What is the primary distinction between WYSIWIS systems and other shared editors like Grove?

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Q. In the context of shared databases, what does "sharing a view, but not the presentation of that view" mean?

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Q. What is the difference between a single insertion point and multiple insertion points in terms of input sharing?

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Q. What is the purpose of a group pointer in the context of input sharing?

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Q. In the context of electronic conferencing, what is a "monotonic" data structure?

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Q. Why is a shared hypertext considered suitable for unsynchronized groupware?

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Q. What advantage does a shared whiteboard offer in terms of data structure?

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Q. Why is handling structural updates in complex objects like hypertext more challenging than in textual updates?

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Q. What is the primary focus of the "deixis" arc in the cooperative work framework?

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Q. In the context of the cooperative work framework, what is the significance of deixis?

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Q. How does the integration of communication and shared artifacts affect deixis in groupware systems?

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Q. What is the role of bar codes in the context of cooperative work?

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Q. What distinguishes a shared whiteboard in terms of its sequencing properties?

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Q. Which system operates at a fine-grained chunk size and allows participants to edit the same word?

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Q. In the context of groupware systems, what is the purpose of the "common understanding" arc in the cooperative work framework?

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