Fuzzy Logic and Its Uses - Multiple Choice Questions

These multiple choice questions are designed to test your knowledge on Fuzzy Logic and Its Uses after reading articles #1 and #2. Should you encounter any difficulties on answering these questions, feel free to refer back to the articles prepared by Shahariz Abdul Aziz & Jeyakody Parthiban.
Q1. Which of the following is not true regarding the principles of fuzzy logic ?
    a. Fuzzy logic is a concept of `certain degree'.
    b. Fuzzy logic follows the principle of Aristotle and Buddha.
    c. Japan is currently the most active users of fuzzy logic.
    d. Boolean logic is a subset of fuzzy logic.
 Answer

Q2. Where is the minimum criterion used ?
    a. When there is an AND operation
    b. When there is an OR operation
    c. In De Morgan's theorem
    d. None of the above
 Answer

Q3. Considering a graphical representation of the `tallness' of people using its appropriate member function, which of the following combinations are true ?

    i. TALL is usually the fuzzy subset.

    ii. HEIGHT is usually the fuzzy set.

    iii. PEOPLE is usually the universe of discourse.

a. i, ii & iii
b. i & ii only
c. i, iii only
d. ii & iii.
 Answer

Q4. What is the Fuzzy Approximation Theorem(FAT) ?
    a. A fuzzy sytem can model any continous sytem
    b. The conversion of fuzzy logic to probability.
    c. A continous sytem can model a fuzzy system.
    d. Fuzzy patches covering a series of fuzzy rules.
 Answer

Q5. What is the main difference between probability and fuzzy logic ?
    a. Fuzzy logic is probability in disguise.
    b. Fuzzy logic is the likelihood of an event occuring and probablility is the extent of that event.
    c. Probability is ADDITIVE, meaning all its values must add up to one.
    d. Probability dissipates with decreasing information.
 Answer

Q6. In an adaptive fuzzy system
    i. The machine learns as more data are fed into it.
    ii. Nueral network is used to find the fuzzy rules.
    iii. The system creates rules without the intervention of human beings.

    a. i & ii & iii
    b. i & ii
    c. i, iii only
    d. ii & iii

 Answer

Q7. What are the following sequence of steps taken in designing a fuzzy logic machine?
    a. Fuzzification->Rule evaluation->Defuzzification
    b. Rule evaluation->Fuzzification->Defuzzification
    c. Fuzzy Sets->Defuzzification->Rule evaluation
    d. Defuzzification->Rule evaluation->Fuzzification
 Answer

Q8. Fuzzy logic has rapidly become one of the most successful of today's technologies for developing sophisticated control systems. The reason for this is:
    i. Fuzzy logic resembles the human way of thinking.
    ii. Fuzzy logic enables the ability to generate precise solutions from certain or approximate information.
    iii. Fuzzy logic is easy to implement.

    a. i & ii & iii
    b. i & ii
    c. ii & iii only
    d. none of the above

 Answer

Q9.Given these fuzzy graphs for member functions A and B.

Which of the following graphs yields the result of the operation A OR B.

    a.
    b.
    c.
    d. None of the above.
 Answer

Q10. Who is the founder of fuzzy logic?
    a. Aristotle
    b. Buddha
    c. Zader Lotfi
    d. Bart Kosko

 Answer

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Copyright © 1996 Shahariz bin Abdul Aziz (sbaa@doc.ic.ac.uk) & Jeykody Parthiban (jp6@doc.ic.ac.uk)