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Which of the following is a key characteristic of binary search?

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Question: Which of the following is a key characteristic of binary search?

Options:

  1. It can find the first occurrence of an element
  2. It can find the last occurrence of an element
  3. It requires a sorted array
  4. It can work on any data structure

Correct Answer: It requires a sorted array

Solution: 

A key characteristic of binary search is that it requires a sorted array to function correctly.

Which of the following is a key characteristic of binary search?

Practice Questions

Q1
Which of the following is a key characteristic of binary search?
  1. It can find the first occurrence of an element
  2. It can find the last occurrence of an element
  3. It requires a sorted array
  4. It can work on any data structure

Questions & Step-by-Step Solutions

Which of the following is a key characteristic of binary search?
  • Step 1: Understand what binary search is. It is a method used to find a specific value in a list.
  • Step 2: Know that binary search works by repeatedly dividing the list in half.
  • Step 3: Realize that for binary search to work, the list must be sorted in a specific order (either ascending or descending).
  • Step 4: Remember that if the list is not sorted, binary search will not be able to find the value correctly.
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