String Algorithms MCQs With Answers

Computer MCQs 360July 14, 2023

0 10 1 minute read

Welcome to the String Algorithms MCQs with Answers. In this post, we have shared String Algorithms Online Test for different competitive exams. Find practice String Algorithms Practice Questions with answers in Computer Tests exams here. Each question offers a chance to enhance your knowledge regarding String Algorithms.

String Algorithms Online MCQs

By presenting 3 options to choose from, String Algorithms Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of String Algorithms Questions and Answers and click over the correct answer.

Test Name: String Algorithms MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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String Algorithms

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1 / 40

Which algorithm uses hashing to find a pattern in a text?

KMP

Rabin-Karp

Boyer-Moore

2 / 40

Which algorithm is used to find the longest repeated substring?

Rabin-Karp

KMP

Suffix tree

3 / 40

Which algorithm uses a prefix function for pattern matching?

Boyer-Moore

KMP

Rabin-Karp

4 / 40

Which algorithm constructs a suffix array for a given string?

Rabin-Karp

KMP

SA-IS

5 / 40

Which data structure is used to store all suffixes of a string?

Suffix tree

Segment tree

Binary search tree

6 / 40

What is the time complexity of the dynamic programming algorithm for the shortest common supersequence?

O(n log n)

O(n + m)

O(n * m)

7 / 40

Which algorithm is known for its bad character and good suffix heuristics?

KMP

Boyer-Moore

Rabin-Karp

8 / 40

What is the time complexity of the Wagner-Fischer algorithm for edit distance?

O(n * m)

O(n + m)

O(n log n)

9 / 40

Which algorithm is used to find all occurrences of a set of keywords in a text?

Aho-Corasick

KMP

Rabin-Karp

10 / 40

What is the time complexity of Manacher's algorithm?

O(n)

O(n^2)

O(n log n)

11 / 40

What is the time complexity of constructing a suffix automaton?

O(n^2)

O(n log n)

O(n)

12 / 40

What is the worst-case time complexity of the Boyer-Moore algorithm?

O(n * m)

O(n log n)

O(n + m)

13 / 40

Which algorithm is used for string matching with wildcards?

Aho-Corasick

KMP

Boyer-Moore

14 / 40

What is the time complexity of constructing a suffix tree using Ukkonen's algorithm?

O(n)

O(n^2)

O(n log n)

15 / 40

What is the time complexity of the Rabin-Karp algorithm in the average case?

O(n log n)

O(n + m)

O(n^2)

16 / 40

What is the main advantage of the Boyer-Moore algorithm over other string matching algorithms?

Uses less memory

Heuristics reduce comparisons

Simplicity

17 / 40

Which algorithm is used for finding the longest increasing subsequence in a string?

KMP

Rabin-Karp

Patience sorting algorithm

18 / 40

What is the time complexity of the online KMP algorithm?

O(n log n)

O(n)

O(n^2)

19 / 40

Which algorithm is used for exact pattern matching in strings?

Knuth-Morris-Pratt (KMP)

Dijkstra's

Floyd-Warshall

20 / 40

What is the time complexity of finding the longest repeated substring using a suffix tree?

O(n^2)

O(n)

O(n log n)

21 / 40

What is the primary purpose of the Aho-Corasick algorithm?

Multiple pattern matching

Single pattern matching

Sorting elements

22 / 40

What is the time complexity of the dynamic programming approach to find the longest common subsequence?

O(n log n)

O(n * m)

O(n + m)

23 / 40

What is the primary use of the Z algorithm in string processing?

Sort elements

Find all occurrences of a pattern

Find shortest paths

24 / 40

Which algorithm is used to find the edit distance between two strings?

Wagner-Fischer algorithm

KMP

Boyer-Moore

25 / 40

Which algorithm is used for finding the longest palindromic substring?

Rabin-Karp

KMP

Manacher's algorithm

26 / 40

Which algorithm is used to construct a suffix automaton for a string?

Rabin-Karp

KMP

Ukkonen's algorithm

27 / 40

Which algorithm preprocesses a pattern to create a partial match table?

Boyer-Moore

Knuth-Morris-Pratt (KMP)

Rabin-Karp

28 / 40

What is the time complexity of the KMP algorithm for pattern matching?

O(n + m)

O(n log n)

O(n^2)

29 / 40

What is the primary use of the Burrows-Wheeler transform?

Pattern matching

Data compression

Sorting elements

30 / 40

Which string algorithm is used to find the longest common subsequence?

Rabin-Karp

Dynamic programming

KMP

31 / 40

What is the time complexity of constructing a suffix array using the SA-IS algorithm?

O(n)

O(n log n)

O(n^2)

32 / 40

What is the time complexity of the Z algorithm?

O(n^2)

O(n log n)

O(n + m)

33 / 40

Which algorithm is used for online string matching?

Aho-Corasick

Boyer-Moore

KMP

34 / 40

What is the main purpose of the Knuth-Morris-Pratt algorithm?

Find shortest paths

Find substrings

Sort elements

35 / 40

What is the time complexity of the Levenshtein distance algorithm?

O(n + m)

O(n log n)

O(n * m)

36 / 40

Which algorithm constructs a Burrows-Wheeler transform of a string?

KMP

BWT

Rabin-Karp

37 / 40

Which algorithm is used to find the longest common prefix of two substrings?

KMP

Kasai's algorithm

Rabin-Karp

38 / 40

What is the time complexity of Kasai's algorithm for finding the longest common prefix array?

O(n^2)

O(n)

O(n log n)

39 / 40

Which algorithm is efficient for approximate string matching?

Levenshtein distance

KMP

Boyer-Moore

40 / 40

Which algorithm uses dynamic programming to find the shortest common supersequence?

KMP

Dynamic programming

Rabin-Karp

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Computer MCQs 360July 14, 2023

0 10 1 minute read