Table of Contents

## B.Tech

### (SEM VII) THEORY EXAMINATION 2020-21

### ARTIFICIAL INTELLIGENCE

**[Time: 3:00 Hours] Total Marks: 70**

Note: Attempt all Sections. If require any missing data: then choose suitably.

**SECTION-A**

**Attempt all questions in brief. 2 x 7 = 14**- What is heuristic function?
- Write the difference between supervised and unsupervised learning.
- List down the characteristics of agent.
- List some of the uniform search technique.
- Differentiate between forward and backward chaining.
- What is bay’s rule?
- Define reinforcement learning.

**SECTION-**B

2. **Attempt any three questions in brief. 7 x 3 = 21**

- Explain DFS algorithm with suitable example.
- Define a well-formed formula(wff) and List some of the rules of inference.
- What are Statistical learning models? Show with suitable example.
- Define PCA. Differentiate between Principle Component Analysis (PCA) and Linear Discriminant Analysis (LDA).
- Explain state space approach for solving any AI problem.

**SECTION – C**

**3. Attempt any one part of the following: 7 x 1 = 7**

- Describe the four categories under which AI is classified with examples.
- List various components of natural language understanding process. Describe syntactic analysis and semantic analysis in brief.

**4. Attempt any one part of the following: 7 x 1 = 7**

- Explain Alpha-Beta pruning? Solve the following question-

2. Discuss Constraint Satisfaction problem with an algorithm for solving a Cryptarithmetic problem.

**5. Attempt any one part of the following: 7 x 1 = 7**

- Explain resolution in predicate logic with suitable example.
- Trace the operation of the unification algorithm on each of the following pairs of literals:
- f(Marcus) and f(Caesar)
- f(x) and f(g(y))
- f(Marcus, g(x,y)) and f(x,g(Caesar, Marcus)).

**6. Attempt any one part of the following: 7 x 1 = 7**

- Define decision tree? Explain it’s with suitable example.
- How can use Expectation-Maximization (EM Algorithm) in machine learning? Explain with appropriate example.

**7. Attempt any one part of the following: 7 x 1 = 7**

- Give the block diagram of pattern recognition system. Explain in brief.
- What do you mean by support vector machine (SVM)? Explain in detail with suitable example.

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