UGC NET · PAPER 2
UGC NET Paper 2 Computer Science – Unit 10: Artificial Intelligence (AI) PYQ (December 2022 Shift 2)
Q13. Overfitting is expected when we observe that
- With training iterations, errors on the training set as well as the test set decrease
- With training iterations, error on the training set decreases but on the test set increases
- With training iterations, errors on the training set as well as the test set increase
- With training iterations, training as well as test error remain constant
Q37. The A* algorithm is optimal when
- it always finds the solution with the lowest total cost if the heuristic h is admissible
- it always finds the solution with the highest total cost if the heuristic h is admissible
- it finds the solution with the lowest total cost if the heuristic h is not admissible
- it always finds the solution with the highest total cost if the heuristic h is not admissible
Q38. Which artificial intelligence technique enables computers to understand the associations and relationships between objects and events?
- Heuristic Processing
- Cognitive Science
- Relative Symbolism
- Pattern Matching
Q39. Where do the values of alpha–beta search get updated?
- Along the path of search
- Initial state itself
- At the end
- None of these
Q40. A 4-input neuron has weights 1, 2, 3, 4. The transfer function is linear with the constant of proportionality equal to 3. The inputs are 5, 7, 10, 30 respectively. Then the output will be
- 120
- 213
- 410
- 507
Q63. Which AI system mimics the evolutionary process to generate increasingly better solutions to a problem?
I. Self-organising neural network
II. Back-propagation neural network
III. Genetic algorithm
IV. Forward-propagation neural network
Choose the correct answer from the options given below:
I. Self-organising neural network
II. Back-propagation neural network
III. Genetic algorithm
IV. Forward-propagation neural network
Choose the correct answer from the options given below:
- I only
- II only
- III only
- IV only
Q64. Consider the following learning algorithms:
I. Logistic regression
II. Back propagation
III. Linear regression
IV. Forward propagation
Which options represent classification algorithms?
Choose the correct answer from the options given below:
I. Logistic regression
II. Back propagation
III. Linear regression
IV. Forward propagation
Which options represent classification algorithms?
Choose the correct answer from the options given below:
- I and III only
- II and IV only
- I and II only
- III and IV only
Q65. Which Boolean operations on two variables can be represented by a single perceptron layer?
I. X1 AND X2
II. X1 OR X2
III. X1 NOR X2
IV. X1 XOR X2
Choose the most appropriate answer from the options given below:
I. X1 AND X2
II. X1 OR X2
III. X1 NOR X2
IV. X1 XOR X2
Choose the most appropriate answer from the options given below:
- I and II only
- II and III only
- I, II and III only
- I, II, III and IV only
Q75. Match List I with List II.
Choose the correct answer from the options given below:
Choose the correct answer from the options given below:
| List I | List II |
|---|---|
| a. Text planning | I. Natural language understanding |
| b. Sentence planning | II. Natural language generation |
| c. Sentence generation | |
| d. Map the input to useful representations |
- a-I, b-II, c-I, d-II
- a-II, b-II, c-I, d-II
- a-I, b-II, c-II, d-I
- a-II, b-II, c-II, d-I
Q85. Choose the correct option describing the features of artificial neural networks.
I. It is essentially a machine learning algorithm.
II. It is useful for problems where the data set is very large.
III. They are able to extract features without input from the programmer.
IV. These are systems modelled on the human brain and nervous system.
Choose the correct answer from the options given below:
I. It is essentially a machine learning algorithm.
II. It is useful for problems where the data set is very large.
III. They are able to extract features without input from the programmer.
IV. These are systems modelled on the human brain and nervous system.
Choose the correct answer from the options given below:
- All the statements are correct.
- Only II and III are correct.
- Only I and IV are correct.
- All the statements are not correct.