Explanation: In online search, it will first take an action and then observes the environment. 4. Backtracking is based on,
A. Last in first out
B. First in first out
C. Recursion
D. Both a & c
Answer:A
Explanation: In online search, it will first take an action and then observes the environment. 4. Backtracking is based on,
A. Last in first out B. First in first out C. Recursion D. Both a & c
Explanation: Recursion uses LIFO. 5. Constraint Propagation technique actually modifies the CSP problem.