Computational Cost in Artificial Intelligence Exercises
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Questions and Answers

What is the main purpose of using informed search in artificial intelligence?

  • To reduce the memory usage in search algorithms
  • To increase the computational cost
  • To simplify the search process
  • To prevent the search algorithm from getting lost (correct)
  • Which search strategy aims to prevent the search algorithm from exhaustively searching every possible node?

  • Depth-First Search
  • Limited Depth Search
  • Iterative Deepening Search
  • Informed Search (correct)
  • How does informed search typically impact the computational cost compared to uninformed search algorithms?

  • Reduces it significantly
  • Increases it slightly
  • Does not affect it
  • Increases it significantly (correct)
  • What is the main evaluation dimension used to compare search strategies according to the text?

    <p>Time complexity</p> Signup and view all the answers

    Which search strategy is defined by the order of node expansion?

    <p>Depth-First Search</p> Signup and view all the answers

    In the context of search algorithms, what does space complexity refer to?

    <p>Maximum number of nodes in memory</p> Signup and view all the answers

    Which search strategy aims to always find the best (least-cost) solution?

    <p>Best-First Search</p> Signup and view all the answers

    What is the main advantage of Depth-First Search?

    <p>Requires very little memory</p> Signup and view all the answers

    In Depth-First Search, what is a major limitation related to the structure of the search tree?

    <p>It can get stuck in wrong branches</p> Signup and view all the answers

    What is the time complexity of Depth-First Search in terms of the maximum branching factor (b) and maximum depth (m) of the state space?

    <p>$O(bm)$</p> Signup and view all the answers

    What is a common drawback of Limited Depth Search?

    <p>Can only solve small problems</p> Signup and view all the answers

    Which search algorithm has a space complexity that is exponential in the maximum depth of the state space?

    <p>Depth-First Search</p> Signup and view all the answers

    What is a key characteristic of Iterative Deepening Search that distinguishes it from other search strategies?

    <p>Combines depth-first and breadth-first approaches</p> Signup and view all the answers

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