Question 4 (30 Points)

1. Describe three techniques that you would use to elicit user requirements for a new commercial website selling electrical appliances. [10 POINTS]
2. Would you recommend that the website mentioned in (a) above be extended to help users buy from this site using a 3G phone rather than a conventional PC? Justify your answer. [10 POINTS]

c) Suppose the company has decided to develop the extended website mentioned in (b) above to provide access via mobile devices. In a short report, describe how you would do a measurement evaluation to assess the usability of a final implementation. [10 POINTS]

Question 5 (30 Points)

1. Describe three challenges that you might have to consider when identifying the potential users of a website that sells expensive and classy writing equipment such as pencils etc. [10 POINTS]
2. Select one of the challenges identified in ( above and describe in detail how you would address that challenge such that it would not weaken the successful design of the website. [10 POINTS]
3. John Tetteh, CEO at KNet has stated that: the main problem with WAP is its slowness which is not a problem with 4G. The 4G Internet experience is as good as surfing from home, with the added benefit of location-based services making the experience more personal. What usability problems complicate surfing the web on a mobile telephone compared to desktop browsers? [10 POINTS]