Human Computer Interaction

INSTRUCTIONS: Answer ALL Questions

a)      Design rationale is information that explains why a computer system is the way it is. explain any  

two benefits of design rationale.                                                                                               [4 Marks]

 b)Groupware can be classified by “Function”. Discuss                                                            [6 Marks]

c)        Define cognitive aids and their applications in systems design                                     [2 Marks]

d)       Enumerate and explain briefly any four principles affecting flexibility principle  [8 Marks]

e)       Differentiate between Multi-modal system and multimedia system                        [4 Marks]

f)         Describe by use of a diagram the Extended human information processing          [6 Marks]