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Question 2 a) Based on the User-Centered Life Cycle Model, differentiate with practical examples, the difference between The Simple Model and the Usability- Engineering Model Major Topic 7 AP 7 - User Centered Design b) After the gathering of data from stakeholders, the data is interpreted and analysed. There are many different techniques that can be used to interpret and analyse the data that have been gathered, depending on the requirements. Differentiate between the three techniques that can be used in understanding users and their tasks. Major Topic 9 AN 7 - System and User Requirement Analysis c) Examples of sounds are voices in conversation and music. Too much sound would only serve as a disturbance to users. Explain briefly five (5) applications that are suited to use sounds as a form of reactive response Major Topic 2: AP 6 physical Aspect of HCI 3