** INT404 Artificial Intelligence**, Practice MCQs 03

**INT404 ****Practice MCQs 03, 20**** ****Questions****.**

**1. In game searching, which algorithm is equal to minimax search which eliminate the branches that have no influence on the final decision.**

**a. Depth-first search**

**b. Breadth first search**

**c. Alpha-beta pruning **

**d. None.**

**2. if Alpha-Beat pruning is used to design a game, then what values are assigned to alpha and beta.**

**a. Alpha= max**

**b. beta = min**

**c. Beat = max**

**d. Alpha= max and Beta = min**

**3. If Alpha –Beta pruning used in game designing, then alpha-beta search values updated at.**

**a. initial state **

**b. At the end**

**c. Along the path of search**

**d. None.**

**4. What is the time complexity of Alpha-Beta Pruning?**

**a. 0(b^d/2)**

**b. 0(b^d)**

**c. 0(bd)**

**d. None**

**5. In learning agent, performance element takes external actions through the instructions of**

**a. sensors**

**b. critic**

**c. knowledge**

**d. None of these**

**6. In learning agent performance of the Agent is improve by **

**a. performance element**

**b. learning element**

**c. critic**

**d. ALL**

**7. Machine Learning is the subfield of Artificial Intelligence consists learning algorithms that**

**a. improve their performance**

**b. at executing some task**

**c. over time with experience**

**d. ALL**

**8. In Machine Learning, at preprocessing stage, how missing or corrupted data can be handled**

**a. Drop missing rows or columns**

**b. Replace missing values with mean/median/mode**

**c. Assign a unique category to missing values**

**d. All of the above**

**9. What is the purpose of performing cross-validation? **

**a. To assess the predictive performance of the models**

**b. To judge how the trained model performs outside the sample on test data**

**c. both 1 and 2**

**d. None**

**10. Given below are three figures (A,B,C). Which of the following option is correct for these images?**

** **

**A) (A) is tanh, (B) is ReLU and (C) is SIGMOID activation functions.**

**B) (A) is SIGMOID, (B) is ReLU and (C) is tanh activation functions.**

**C) (A) is ReLU, (B) is tanh and (C) is SIGMOID activation functions.**

**D) (A)is tanh, (B) is SIGMOID and (C) is ReLU activation functions.**

**11. Suppose you are using activation function X in hidden layers of neural network. At a particular neuron for any given input, you get the output as “-0.0001”. Which of the following activation function could X represent? **

**A) ReLU**

**B) tanh**

**C) SIGMOID**

**D) None of these**

**12. Imagine you are working on a binary classification problem. You trained a model on training dataset and get the below confusion matrix on validation dataset.**

** **

**Based on the above confusion matrix, choose which option(s) below will give you correct predictions?**

**⦁ Accuracy is ~0.91**

**⦁ Misclassification rate is ~ 0.91**

**⦁ False positive rate is ~0.95**

**⦁ True positive rate is ~0.95**

**A) 1 and 3**

**B) 2 and 4**

**C) 1 and 4**

**D) 2 and 3**

**13. In the game tree as shown in figure, apply Minimax algorithm and compute the values of node A,B &C:**

**a. A= -3, B= 4, C= 4**

**b. A= 4, B= 4, C= -3**

**c. A= 4, B= -3, C= 6**

**d. A= 6, B= -3, C= 4**

**14. If alpha-beta pruning is applied in designing a game tree, then how effectiveness can be increased on**

**a. depends on nodes**

**b. depends on the order in which they are executed**

**b. ALL**

**d. None.**

**15. In game tree the feasibility is calculated through**

**a. evaluation function**

**b. transposition**

**c. alpha-beta pruning**

**d. ALL**

**16. In biological nucleus holds genetic information and this genetic information stored in **

**a. chromosomes**

**b. DNA**

**c. nucleus**

**d. chromatin**

**17. Genetic value for a particular chromosomes is known as **

**a. Gene**

**b. Allele**

**c. genotype**

**d. both a and b**

**18. The space in which the solutions are represented in such a way that can be easily understood and manipulated using a computing system**

**a. phenotype space**

**b. population**

**c. genotype space**

**d. none**

**19. Fuzzy logic is the form of **

**a) Two-valued logic**

**b) Crisp set logic**

**c) Multi-valued logic**

**d) Three- valued logic**

**20. The truth values of classical logic is ____________ and that of fuzzy logic 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**

**INT404 ****Practice MCQs 01, 46 ****Questions****.**

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