Lecture 7 Flashcards
How do users interact with a computer system?
Users interact with a computer system via a user interface (UI).
What is the flow of user input in a computer system?
User Input > Underlying hardware, software, interaction devices > System output.
What should UI design match?
UI design should match the skills, experience, and expectations of its anticipated users.
What are the characteristics of good UI design?
Good UI design is easy to use and understand, meets the needs of the intended users, and supports users in tasks they wish to undertake.
What are some human factors in UI design?
Limited short-term memory, people make mistakes, and different interaction preferences.
Why is user familiarity important in UI design?
User familiarity ensures that the interface is based on user-oriented terms and concepts rather than computer concepts.
What is an example of user-oriented concepts in office systems?
Office systems should use concepts such as letters, documents, and folders rather than directories and file identifiers.
Why is consistency important in UI design?
Consistency ensures the system displays an appropriate level of consistency, and commands and menus have the same format.
What is the principle of minimal surprise in UI design?
Commands should operate in a known/expected way, and users should be able to predict the operation of comparable commands.
What is recoverability in UI design?
Recoverability allows the user to recover from errors with undo facilities, confirmation of destructive actions, and ‘soft’ deletes.
What are some examples of recoverability features?
Examples include undo facilities, confirmation of destructive actions, and ‘soft’ deletes like a recycling bin.
What is user guidance in UI design?
User guidance includes help systems, online manuals, and readme files.
What is a standard approach for screen design in layout?
Using standard Windows/Mac approaches for screen design.
Where should menus be placed in a standard screen design layout?
File, Edit, Window, Help menus should be at the top of the screen.
What should pages/screens have in a UI design layout?
Pages/screens should have a title.
