Bit2305:Human Computer Interaction Question Paper
Bit2305:Human Computer Interaction
Course:Bachelor Of Information Technology
Institution: Meru University Of Science And Technology question papers
Exam Year:2013
a. Explain the following terms: (10 Marks) i. Expert system ii. Expert system shell iii. Knowledge acquisition iv. Knowledge representation v. Knowledge engineer b. Describe any three areas where expert systems can be used and for what purpose. (6 Marks) c. Distinguish between the term logical-Mathmatical and Linguistic-verbal intelligence. (4 Marks) d. Using a truth-table, prove the following: (6 Marks) ¬(P Q) (P v ¬ Q) e. List the four requirements for a knowledge representation language. (4 Marks)
QUESTION TWO – 20 MARKS
a. Using examples and diagrams where possible, explain any two schemes that can be used for knowledge representation. (8 Marks) b. Discuss the difference between deductive reasoning and inductive reasoning. (4 Marks) c. Discuss any two advantages and two disadvantages of knowledge-based systems. (8 Marks)
QUESTION THREE – 20 MARKS
a. With the aid of a diagram, describe data-information knowledge wisdom (DIKW) chain explaining each of the four components, i.e data, information, knowledge and wisdom. (10 Marks)
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b. Truth-table construction is said to be complete, explain what this means. (2 Marks) c. Describe any four types of knowledge. (8 Marks)
QUESTION FOUR – 20 MARKS
a. With the aid of a well labelled diagram, describe the main components of knowledge based system that constitute its structure. (10 Marks) b. Explain fuzzy method of solving problems. (2 Marks) c. Represent the following statements using FOL (first order logic) (8 Marks) i. All Kenyans are Africans ii. There exists a pair of numbers that differ by one, and are both prime iii. Everybody likes somebody iv. There is somebody that everybody loves
QUESTION FIVE – 20 MARKS
a. Describe the process of knowledge acquisition. (6 Marks) b. Distinguish between the following terms: (8 Marks) i. Validity and contradiction in the context of propositional logic ii. Backward chaining and forward chaining c. Using a suitable graphical example, differentiate between depth-first search and breath search. (6 Marks)
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