What are Expert Systems? Briefly discuss the various categories of software tools, used for the development of expert systems.

What are Expert Systems? Briefly discuss the various categories of software tools, used for the development of expert systems.

What is the difference between Knowledge and Intelligence? Enumerate the various knowledge representation schemes, giving a brief description for each scheme.

Write a program in Prolog to find and print prime numbers between 50 to 200.

Write BFS algorithm. Use the BFS to search the goal node . Show each step of the algorithm.

If the propositions are described as follows: (8 Marks)
P : He needs a doctor
S : He is Sick
Q : He needs a lawyer
U : He is injured
R : He has an accident
Then represent the following formulas in English :
(i) (P ˄ Q) → R
(ii) (P ˄ Q) ↔ (S ˄ U)

What are Semantic Nets? Briefly discuss the utility of semantic nets in knowledge management. Give suitable example in support of your answer.

Write a program in LISP to calculate the area of the circle, whose radius is given by the user. Write proper comments to enhance readability of your code.