Backtracking Quiz With Answers

Computer MCQs 360July 14, 2023

0 8 1 minute read

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

Backtracking Online MCQs

By presenting 3 options to choose from, Backtracking 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 Backtracking Questions and Answers and click over the correct answer.

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

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Backtracking

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1 / 40

Which of the following is a critical aspect of backtracking?

Exploring all possibilities

Minimizing the input size

Sorting elements

2 / 40

What is the primary challenge in designing a backtracking algorithm?

Handling the exponential growth of possible solutions

Finding the input size

Sorting the output

3 / 40

In the context of backtracking, what is a "candidate solution"?

A potential solution being explored

The initial input

The final solution

4 / 40

What does the term "backtracking" signify in the algorithm?

Retracing steps to find alternatives

Skipping some steps

Sorting the elements

5 / 40

What is the significance of "recursive calls" in backtracking?

They reduce the input size

They sort the input array

They explore all potential solutions incrementally

6 / 40

What is a permutation?

A combination of elements

A subset of elements

An arrangement of all elements in a particular order

7 / 40

Which strategy does backtracking use to build a solution incrementally?

Linear search

Depth-first search

Breadth-first search

8 / 40

Which method can enhance the efficiency of backtracking by reducing the number of possibilities to be explored?

Pruning

Exhaustive search

Iterative deepening

9 / 40

Which problem involves finding all possible ways to partition a set into two subsets of equal sum?

N-Queens

Partition Problem

Traveling Salesman Problem

10 / 40

Which problem can be efficiently solved using backtracking?

Binary Search

Merge Sort

Subset Sum

11 / 40

What is the 8-Puzzle problem an example of?

A backtracking problem

A searching problem

A sorting problem

12 / 40

Which famous problem in computer science involves finding a tour that visits each vertex exactly once in a graph?

Travelling Salesman Problem

Subset Sum Problem

Hamiltonian Path Problem

13 / 40

How is backtracking different from dynamic programming?

Backtracking is iterative

Backtracking uses a table

Backtracking doesn't store intermediate results

14 / 40

In the context of backtracking, what does "pruning" refer to?

Finding the maximum value

Sorting the search space

Eliminating unnecessary searches

15 / 40

Which algorithm design technique does backtracking fall under?

Iterative algorithms

Recursive algorithms

Divide and Conquer

16 / 40

Which characteristic makes backtracking particularly suitable for puzzles?

Systematic exploration of all possibilities

Guaranteed optimal solution

Fast computation

17 / 40

Which problem involves placing knights on a chessboard so that no two knights threaten each other?

Sudoku

N-Queens

Knights Tour Problem

18 / 40

In backtracking, what does a "dead end" refer to?

A partial solution that cannot be completed

An optimal solution

A sorted array

19 / 40

Which data structure is often used in backtracking to store the state?

Queue

Stack

Linked List

20 / 40

Which problem is not typically solved using backtracking?

Binary Search

N-Queens

Sudoku

21 / 40

What is the role of constraints in a backtracking algorithm?

To limit the search space

To sort the solutions

To increase the search space

22 / 40

In solving the N-Queens problem, what is a critical condition to check for each queen placement?

Queens should form a diagonal line

All queens must be placed in one row

No two queens can attack each other

23 / 40

Which method is typically used to generate all permutations of a set?

Divide and Conquer

Backtracking

Dynamic Programming

24 / 40

Which problem can be solved using backtracking and involves placing numbers in a grid following certain rules?

Quick Sort

Binary Search

Sudoku

25 / 40

What is the main advantage of using backtracking over brute force?

Simplicity

Efficiency

Accuracy

26 / 40

What is the purpose of the "isSafe" function in the N-Queens problem?

To count the number of queens

To check if placing a queen is valid

To find all possible queens

27 / 40

In the context of the Hamiltonian Path problem, what does backtracking help to find?

The longest path

The shortest path

A path visiting each vertex exactly once

28 / 40

What is backtracking primarily used for?

Sorting algorithms

Searching algorithms

Solving constraint satisfaction problems

29 / 40

Which problem is a classic example of backtracking?

N-Queens

Binary Search

Bubble Sort

30 / 40

In solving the 0/1 Knapsack problem using backtracking, what decision is made at each step?

Multiply the item values

Sort the items

Include or exclude an item

31 / 40

In backtracking, what happens when a solution fails?

The algorithm backtracks to try another path

The algorithm terminates

The algorithm restarts

32 / 40

What does a solution state represent in the context of backtracking?

The initial input state

An unsorted array

A partial or complete solution to the problem

33 / 40

Which search method is backtracking most similar to?

Depth-first search

Breadth-first search

Binary search

34 / 40

What is a common use case of backtracking in computer science?

Calculating factorials

Sorting arrays

Solving puzzles

35 / 40

What is a key feature of the backtracking approach?

Random search

Heuristic search

Systematic search

36 / 40

What type of problems can be solved using backtracking?

Graph traversal problems

Combinatorial problems

Arithmetic problems

37 / 40

What is the time complexity of solving the N-Queens problem using backtracking?

O(n!)

O(n^2)

O(log n)

38 / 40

What is the base case in the context of backtracking?

The first call of the function

The condition under which the recursion terminates

The maximum depth of recursion

39 / 40

Which term describes an approach that avoids exploring paths that are unlikely to lead to a solution?

Pruning

Random search

Exhaustive search

40 / 40

How does backtracking handle constraints in the solution space?

By sorting all possibilities

By testing each possibility and abandoning those that fail

By ignoring the constraints

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Computer MCQs 360July 14, 2023

0 8 1 minute read