1.You are in charge of designing a menu tree for navigating 1,250 books in a digital library. Present an argument of whether the menu should have larger depth (number of levels) or breadth (number of items per level).
2.Frequent menu users can become annoyed if they must make several menu selections to complete a simple task. Suggest two ways you can refine the menu approach to accommodate expert or frequent users.
3.Provide three examples of an application where menu selection and form fill-in are more appropriate than a direct-manipulation strategy.
4.Produce a thoughtful argument about what role natural-language interaction (NLI) should have in user interfaces.
5.Abbreviations for commands are often attractive for power users. Describe three strategies that could be used to abbreviate a command set.