Question 21 : An algorithm A is admissible if
1. It is not guaranteed to return an optimal solution when one exists
2. It is guaranteed to return an optimal solution when one exists
3. It returns more solutions, but not an optimal one
4. It guarantees to return more optimal solutions
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Question 22 : The problem space of means-end analysis has
1. An initial state and one or more goal states
2. One or more initial states and one goal state
3. One or more initial states and one or more goal state
4. One initial state and one goal state
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Question 23 : The traveling salesman problem involves n cities with paths connecting the cities. The time taken for traversing through all the cities, without knowing in advance the length of a minimum tour, is
1. O(n)
2. O(n2)
3. O(n!)
4. O(n/2)
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Question 24 : What is a heuristic function?
1. A function to solve mathematical problems
2. A function which takes parameters of type string and returns an integer value
3. A function whose return type is nothing
4. A function that maps from problem state descriptions to measures of desirability
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Question 25 : Which is true regarding BFS (Breadth First Search)?
1. BFS will get trapped exploring a single path
2. The entire tree so far been generated must be stored in BFS
3. BFS is not guaranteed to find a solution, if exists
4. BFS is nothing but Binary First Search
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Question 26 : An algorithm is complete if
1. It terminates with a solution when one exists
2. It starts with a solution
3. It does not terminate with a solution
4. It has a loop
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Question 27 : What is the goal of artificial intelligence?
1. To solve real-world problems
2. To solve artificial problems
3. To explain various sorts of intelligence
4. To extract scientific causes
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Question 28 : What is a Cybernetics?
1. Study of communication between two machines
2. Study of communication between human and machine
3. Study of communication between two humans
4. Study of Boolean values
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