read the section "User Interface Design" of the course notes "4.2 design issues" and shortly answer the following questions:

(1) Describe system interfaces and user interfaces.

(2) An interface usually include three fundamental parts. Briefly describe each part.

(3) Briefly describe 6 principles for user interface design.

(4) Briefly describe 5 steps include in the design process of designing a user interface

(5) When designing interface design prototype, there are 3 options: storyboard, language prototype, and HTML prototype. Briefly describe each option.

(6) when evaluating an interface, there are several options: Heuristic evaluation, walk-through evaluation, interactive evaluation, formal usuability testing. Brriefly describe each option.

(7) Briefly describe basic principles of navigation design.

(8) Briefly describe four basic software approaches for defining user commands of navigation design.

(9) Briefly describe the basic principles of input design

(10) Briefly describe the type of inputs of input design

(11) Briefly describe the basic principles of output design