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]Define cognitive aids and their applications in systems design [2 Marks]Enumerate and explain briefly any four principles affecting flexibility principle[8 Marks]Differentiate between Multi-modal system and multimedia system [4 Marks]Describe by use of a diagram the Extended human information processing.

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]Define cognitive aids and their applications in systems design [2 Marks]Enumerate and explain briefly any four principles affecting flexibility principle[8 Marks]Differentiate between Multi-modal system and multimedia system [4 Marks]Describe by use of a diagram the Extended human information processing[6 Marks]