Q. What are some typical widgets found in a graphics toolkit or window manager?

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Q. Why might using graphical toolkits for building groupware systems be challenging?

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Q. What is a potential issue with using pop-up menus in a groupware system?

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Q. What challenge might arise when using text widgets from a graphical toolkit in a groupware system?

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Q. Which approach might help address some of the challenges posed by graphical toolkits in groupware development?

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Q. What are some potential sources of problems in developing robust and scalable groupware systems?

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Q. Why might failures in multi-user systems be more fragile compared to single-user systems?

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Q. How might the consequences of a failure in a multi-user system differ from those in a single-user system?

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Q. What is one challenge that arises due to the complexity of groupware algorithms?

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Q. Why might system scalability be a concern in groupware systems?

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Q. What is one of the most disastrous problems in a client-server-based groupware system?

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Q. What is one common solution for recovering data after a server crash in a groupware system?

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Q. How can a client-server-based system ensure that the server remains robust in the face of client failures?

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Q. What should the server do when a client fails in a client-server architecture?

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Q. What is the purpose of resynchronization in a groupware system after a workstation/client recovers from a failure?

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Q. In a replicated architecture, what additional challenge arises when one replicate detects a failure before the others?

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Q. What type of application failures may be more difficult to detect as they don't crash the application, but lead to inconsistencies in data structures?

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Q. What programming approach helps ensure algorithm correctness by proving its correctness using formal methods?

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Q. What can be done to minimize the impact of errors in data consistency between clients and the server in a groupware system?

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Q. What is the primary concern when dealing with unforeseen sequences of events in a distributed system?

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