Binary Search
Quiz
•
Information Technology (IT)
•
University
•
Practice Problem
•
Medium
Amina Amina
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the binary search algorithm do?
It finds an element in an unsorted array.
It searches for an element by comparing it with each element of the array sequentially.
It only works with arrays sorted in descending order
It finds an element in a sorted array by repeatedly dividing the search interval in half.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Why is binary search considered significantly faster than linear search, especially for large datasets?(Почему бинарный поиск считается значительно быстрее линейного поиска, особенно для больших наборов данных?)
Binary search checks every element in the array.(Бинарный поиск проверяет каждый элемент в массиве)
Binary search repeatedly divides the search interval in half, reducing the number of comparisons.(Бинарный поиск повторно делит интервал поиска пополам, уменьшая количество сравнений.)
Binary search works only with unsorted data.(Бинарный поиск работает только с неотсортированными данными.)
Binary search always finds the largest element in the array.(Бинарный поиск всегда находит наибольший элемент в массиве.
)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the time complexity of Binary Search?
Best Case: O(n), Worst Case: O(n)
Best Case: O(log n), Worst Case: O(log n)
Best Case: O(1), Worst Case: O(log n)
Best Case: O(n), Worst Case: O(1)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following are advantages of Binary Search
Efficiency: Faster than linear search, but inconsistent performance.
Efficiency: Much faster than linear search for large datasets, Predictable Performance: Consistent O(log n) time complexity
Slow for large datasets, Unpredictable performance.
Efficiency: As fast as linear search, Predictable Performance: O(n) time complexity.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following are disadvantages of Binary Search?
Requires Sorted Data, Complexity in Implementation, Not Suitable for Linked Lists.
Requires Sorted Data, Simpler Implementation, Works well with Linked Lists.
Does not require Sorted Data, Complexity in Implementation, Works well with Linked Lists.
Requires Sorted Data, Easier to implement, Can be used with Linked Lists.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the primary condition that must be met for binary search to function properly?
(Какое основное условие должно быть выполнено, чтобы бинарный поиск работал корректно?)
The array must be unsorted. (Массив должен быть неотсортированным.)
The array must be sorted before performing binary search. (Массив должен быть отсортирован перед выполнением бинарного поиска.
Binary search can work on any data, sorted or not. (Бинарный поиск может работать с любыми данными, отсортированными или нет.)
The array must contain only unique elements. (Массив должен содержать только уникальные элементы.)
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the main challenge when adjusting the low, high, and mid indices in binary search?
(Какая основная трудность при корректировке индексов low, high и mid в бинарном поиске?)
Sorting the array after each iteration. (Сортировка массива после каждой итерации.)
It is important to minimize the number of elements in the array. (Важно минимизировать количество элементов в массиве.)
Ensuring the array is not too large. (Убедиться, что массив не слишком велик.)
Properly adjusting the indices at each step to avoid infinite loops or errors. (Правильная корректировка индексов на каждом шаге, чтобы избежать бесконечных циклов или ошибок.)
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