1. Natural language processing refers to the use and ability of computer systems to process sentences (automatically or semi automatically) in a natural language such as English, rather than in a specialized artificial computer language such as C++.
a). List any FOUR areas where NLP application i possible (2 Marks)
b). In any TWO of the areas cited in Q1b(i) above, describe briefly how NLP is applied. (4 marks)

2. There are three factors that should be considered for the design of a successful user interface: development factors, visibility factors and acceptance factors.
a). Discuss (9 marks)
b). Briefly discuss the benefits and shortcomings of Auditory interfaces (4 Marks)

3. Write some brief notes on the following interface design concepts:
a). Tactile perception (2 Marks)
b). Haptic perception (2 Marks)
c). Kinesthetic perception (2 Marks)

4. Task analysis is concerned with understanding what users” goals are and what they do to achieve their goals.
a). Compare task analysis with user analysis (2 Marks)
b). Briefly explain why it is necessary to carry out user analysis (3 Marks)

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