Virtual Labs

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Best First Search

Choose difficulty:

Beginner

Intermediate

Advanced

What is the primary goal of Best-First Search?

a: To find the longest path in a graph Explanation

Explanation

b: To find the path with the highest total weight Explanation

Explanation

c: To find the most efficient path to the goal using heuristics Explanation

Explanation

d: To visit the maximum number of nodes Explanation

Explanation

Which data structure is typically used to implement the frontier in Best-First Search?

a: Stack Explanation

Explanation

b: Queue Explanation

Explanation

c: Priority Queue Explanation

Explanation

d: Heap Explanation

Explanation

Which heuristic ensures admissibility in Best-First Search?

a: Euclidean distance from current node to goal Explanation

Explanation

b: Number of nodes explored so far Explanation

Explanation

c: Sum of edge weights along the path so far Explanation

Explanation

d: Maximum weight of edges in the path so far Explanation

Explanation

What is the worst-case time complexity of Best-First Search?

a: O(n) Explanation

Explanation

b: O(n log n) Explanation

Explanation

c: O(n^2) Explanation

Explanation

d: O(2^n) Explanation

Explanation

What is a potential drawback of Best-First Search?

a: It always finds the optimal solution Explanation

Explanation

b: It can get stuck in local minima if heuristic is misleading Explanation

Explanation

c: It is not guaranteed to find a solution Explanation

Explanation

d: It requires excessive memory for small graphs Explanation

Explanation

How are nodes selected for expansion in Best-First Search?

a: Random order Explanation

Explanation

b: Based on depth in the search tree Explanation

Explanation

c: Based on heuristic function values Explanation

Explanation

d: Based on parent nodes Explanation

Explanation

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