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identify the sequence of nodes that are visited to search for 150.

a. 250, 200, 190 b. 250, 200, 190, 210 c. 200, 190 d. 190, 210, 290, 310

Answer :

In order to identify the sequence of nodes that are visited to search for 150, we need to know the structure of the search algorithm being used.

There are several search algorithms, but the most commonly used are linear search and binary search. The sequence of nodes that are visited to search for 150 in binary search can be determined as follows 4 steps: Step 1: Start at the middle of the sorted array or list (i.e. 210 in this case)Step 2: If the value at the middle is 150, return its index or position in the array/list (i.e. the search is complete)Step 3: If the value at the middle is greater than 150, search the left half of the array/list (i.e. between 190 and 210), and repeat the above process starting at Step 1 with the new midpoint (i.e. 200)Step 4: If the value at the middle is less than 150, search the right half of the array/list (i.e. between 210 and 310), and repeat the above process starting at Step 1 with the new midpoint (i.e. 250)Using this algorithm, the sequence of nodes that are visited to search for 150 is:190, 210, 200. Therefore, the answer is option C. 200, 190.

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