### Soft Computing Techniques 3160619

### Chapter: 2

**1. What is Fuzzy Logic?**

A. a method of reasoning that resembles human reasoning B. a method of question that resembles human answer C. a method of giving answer that resembles human answer. D. None of the Above**Ans : A**

**.2. How many output Fuzzy Logic produce?** A. 2 B. 3 C. 4 D. 5**Ans : A**

**3. Fuzzy Logic can be implemented in?**

A. Hardware B. software C. Both A and B D. None of the Above**Ans : C**

**4. The truth values of traditional set theory is ____________ and that of fuzzy set is __________**

A. Either 0 or 1, between 0 & 1 B. Between 0 & 1, either 0 or 1 C. Between 0 & 1, between 0 & 1 D. Either 0 or 1, either 0 or 1**Ans : A**

**5. How many main parts are there in Fuzzy Logic Systems Architecture?**

A. 3 B. 4 C. 5 D. 6**Ans : B**

**6. Each element of X is mapped to a value between 0 and 1. It is called _____.**

A. membership value B. degree of membership C. membership value D. Both A and B**Ans : D**

**7. How many level of fuzzifier is there?**

A. 4 B. 5 C. 6 D. 7**Ans : B**

**8. Fuzzy Set theory defines fuzzy operators. Choose the fuzzy operators from the following.**

A. AND B. OR C. NOT D. All of the above**Ans : D**

**9. The room temperature is hot. Here the hot (use of linguistic variable is used) can be represented by _______**

A. Fuzzy Set B. Crisp Set C. Both A and B D. None of the Above**Ans : A**

**10. What action to take when IF (temperature=Warm) AND (target=Warm) THEN?**

A. Heat B. No_Change C. Cool D. None of the Above**Ans : B**

**11. What is the form of Fuzzy logic?**

A. Two-valued logic B. Crisp set logic C. Many-valued logic D. Binary set logic**Ans : C**

**12. Who was the inventor of Fuzzy Logic?**

A. doug cutting B. John McCarthy C. Lotfi Zadeh D. John cutting**Ans : C**

**13. Traditional set theory is also known as Crisp Set theory.**

A. TRUE B. FALSE C. Traditional set theory is not there. D. None of the Above**Ans : A**

**14. Fuzzy logic is useful for both commercial and practical purposes.**

A. True, False B. True, True C. False, False D. False, True**Ans : B**

**15. Which of the following is not a part of fuzzy logic Systems Architecture?**

A. Fuzzification Module B. Knowledge Base C. Defuzzification Module D. Interference base**Ans : D**

**16. In Membership function graph x-axis represent?**

A. universe of discourse. B. degrees of membership in the [0, 1] interval C. degrees of discourse D. Universe of membership**Ans : A**

**17. Fuzzy logic is usually represented as ___________**

A. IF-THEN-ELSE rules B. IF-THEN rules C. Both IF-THEN-ELSE rules & IF-THEN rules D. None of the Above**Ans : C**

**18. The values of the set membership is represented by ___________**

A. Discrete Set B. Degree of truth C. Probabilities D. Both Degree of truth & Probabilities**Ans : D**

**19. What action to take when IF temperature=(Hot OR Very_Hot) AND target=Warm THEN?**

A. Heat B. No_Change C. Cool D. None of the Above**Ans : C**

**20. Which of the following is not Application Areas of Fuzzy Logic?**

A. Automotive Systems B. Domestic Goods C. Domestic Control D. Environment Control**Ans : C**