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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Best First Search

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Beginner

Intermediate

Advanced

What is the goal of the Best First Search algorithm?

a: To find the longest path in a graph Explanation

Explanation

b: To find the path with the highest total weight in a graph Explanation

Explanation

c: To find the path with the lowest total weight in a graph Explanation

Explanation

d: To find the path that visits the most nodes in a graph Explanation

Explanation

What 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 function can be used in Best First Search to ensure admissibility?

a: The Euclidean distance between the current node and the goal node Explanation

Explanation

b: The number of nodes explored so far Explanation

Explanation

c: The sum of the weights of the edges in the path so far Explanation

Explanation

d: The maximum weight of the edges in the path so far Explanation

Explanation

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

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 drawback of using Best First Search?

a: It always finds the optimal solution Explanation

Explanation

b: It can get stuck in local minima Explanation

Explanation

c: It is not guaranteed to find a solution Explanation

Explanation

d: It requires a large amount of memory Explanation

Explanation

In Best First Search, how are nodes selected for expansion?

a: Nodes are selected in a random order Explanation

Explanation

b: Nodes are selected based on their depth in the graph Explanation

Explanation

c: Nodes are selected based on a heuristic function Explanation

Explanation

d: Nodes are selected based on their parent nodes Explanation

Explanation

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