Data Structures and Algorithms The Complete Masterclass - Binary Search

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Information Technology (IT), Architecture
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a necessary condition for applying the binary search algorithm?
The array must be in descending order.
The array must be sorted.
The array must contain only integers.
The array must have an even number of elements.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In binary search, what is the first step after identifying the middle element?
Compare it with the first element.
Compare it with the target value.
Swap it with the last element.
Double its value.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does binary search improve efficiency compared to linear search?
By using a random element as the pivot.
By sorting the array during the search.
By checking every element twice.
By using a sorted array to eliminate half of the remaining elements each time.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do pointers play in binary search?
They help in sorting the array.
They are used to count the number of elements.
They mark the boundaries of the search range.
They store the target value.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if the middle element is greater than the target in binary search?
The search continues with the left half.
The middle element is swapped with the target.
The search stops immediately.
The search continues with the right half.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should be done if the middle element is less than the target?
Ignore the left half and continue with the right half.
Restart the search from the beginning.
Ignore the right half and continue with the left half.
Swap the middle element with the target.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When do you stop the binary search process?
When the left and right pointers cross each other.
When the array is sorted.
When the array is fully traversed.
When the middle element is swapped with the target.
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