NPTEL Introduction To Soft Computing Week 3 Assignment Answers 2025
1. Which fuzzy inference method is typically used for systems that require high accuracy but low
interpretability?
a) Mamdani
b) Takagi-Sugeno
c) Both
d) None of the above
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2. What is the responsibility of the fuzzy inference engine?
systems?
a. Convert inputs into appropriate fuzzy sets.
b. Form the rules of the fuzzy rule base.
c. Evaluate the control rule stored in a fuzzy rule base.
d. Converting a fuzzy output in crisp value.
Answer :-
3. Combinatorial optimization is
a) NP-Hard
b) P-class
c) NP-Complete
d) NP-class
Answer :-
4. Genetic algorithm is
a. Population-based probabilistic search
b. Population-based deterministic search
c. Population-based random search
d. Population-based heuristic search
Answer :-
5. The Mamdani approach is characterized by:
a) Low interpretability and high accuracy
b) High interpretability and low accuracy
c) Both high interpretability and high accuracy
d) Neither high interpretability nor high accuracy
Answer :-
6. Which rule base is used in Takagi-Sugeno fuzzy systems?
a) Linguistic rules with IF-THEN statements
b) Precise mathematical models
c) Boolean logic rules
d) Random rules
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7. What is the main advantage of using fuzzy logic in control systems?
a) Better handling of imprecise or uncertain inputs
b) Simplified rule base
c) Higher computation time
d) Easy implementation in hardware
Answer :-
8. Which of the following is used to combine fuzzy sets before making a decision in a fuzzy
inference system?
a) Aggregation
b) Defuzzification
c) Inference
d) Fuzzification
Answer :-
9. Which of the following is a defuzzification method used in fuzzy logic?
a) Fuzzification
b) Centre of Gravity (CoG)
c) Aggregation
d) Normalization
Answer :-
10. Mamdani approach follows
a) Linguistic fuzzy modelling
b) Precise fuzzy modelling
c) Both linguistic and precise fuzzy modelling
d) None of the above
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