Q. What is the primary requirement for using binary search?
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A.
The array must be sorted
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B.
The array must be unsorted
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C.
The array must contain unique elements
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D.
The array must be of fixed size
Solution
Binary search requires the array to be sorted in order to function correctly.
Correct Answer:
A
— The array must be sorted
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Q. Which of the following data structures can be used to implement binary search?
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A.
Linked List
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B.
Array
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C.
Stack
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D.
Queue
Solution
Binary search is typically implemented on arrays due to their ability to provide random access.
Correct Answer:
B
— Array
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Q. Which of the following is a real-world application of binary search?
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A.
Finding a name in a phone book
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B.
Sorting a list of numbers
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C.
Traversing a tree
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D.
Inserting an element in a queue
Solution
Binary search is commonly used to find a name in a sorted phone book efficiently.
Correct Answer:
A
— Finding a name in a phone book
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