1) Which of the following statements correctly define the concept of Inference in AI?
- It is the way in which facts and information are stored in the storage system of the agent
- When we conclude the facts and figures to reach a particular decision, that is called inference
- We modify the knowledge and convert it into the format which is acceptable by the machine
- All of the above.
Correct answer: 2
When we conclude the facts and figures to reach a particular decision, that is called inference
Inference means finding a conclusion based on facts, information, and evidences. In simple words, when we conclude the facts and figures to reach a particular decision, that is called inference.
2) Which if the following are valid inference rules that are used in Inference?
- Addition
- Subtraction
- Multiplication
- Division
Options:
- Only i.
- i. and iii.
- ii. and iii.
- iii. and iv.
Correct answer: 1
Only i.
The addition is a valid inference rule. Apart from these, there are further many inference rules such as simplification, modus ponens, modus tollens, etc.
3) Which of the mentioned rules are valid Inference rules?
- Modus Ponens
- Resolution
- Backward Chaining
- All of the above
Correct answer: 4
All of the above
All the mentioned rules are valid inference rules. Apart from these, there are further many inference rules such as simplification, Addition, forward chaining, modus tollens, etc.
5) Which of the following are a deductive type of Inference rule?
- Forward Chaining
- Backward Chaining
- Both a. and b.
- None of the above
Correct answer: 3
Both a. and b.
Both forward chaining and backward chaining are types of deductive inference rules.