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Froggy Jumps DSA QuizOnline version test your DSA knowledge by DSA Quiz 1 A team of programmers needs to store records of 100 students, each having a name, roll number, and grade. Which C programming concept is the most suitable for this purpose? a Array of Pointers b Nested Loops c Array of Structures 2 If an algorithm's time complexity is O(n), and the input size n doubles, approximately how much longer will the algorithm take to run? a It will be four times longer b It will be twice as long c It will be eight times longer 3 Which Big O notation best describes the complexity of accessing an element at a specific index in a standard C array? a O(1) b O(n) c O(n^2) 4 In a structure defined in C, if one member is a pointer to the structure type itself, what is it called? a Void Pointer b Generic Structure c Self Referential Structure 5 Which concept from the course represents the idea of a data type defined by its operations, not by how it is stored (e.g., 'List' defined by 'Insert', 'Delete', 'Search')? a Abstraction b Abstract Data Type(ADT) c Primitive Data Type 6 Which data structure would you choose to efficiently implement a music playlist where songs can be easily added to the start, end, or middle, and also removed from any position? a Array b Linked List c Doubly Linked List 7 A company wants to store data for its 1000 employees. To allocate the exact amount of memory needed during runtime, which technique should be used? a Stactic Memory Allocation b Dynamic Memory Allocation c Register Allocation 8 Which type of linked list allows traversal in both the forward and backward directions? a Singly Linked List b Doubly Linked List c Circular Linked List 9 A program is performing a sparse matrix operation. Which data structure is typically used to save memory by only storing non-zero elements? a B-Tree b Array c Linked List 10 What is the time complexity of searching for an element in an unsorted array? a O(n) b O(1) c O(log n) 11 A word processor application implements the 'Undo' feature. Which linear data structure is most appropriate for managing the sequence of operations? a Queue b Stack c Linked List 12 In a single-lane toll plaza, cars are processed in the order they arrive. Which data structure models this 'First-In, First-Out (FIFO)' behavior? a Stack b Queue c Linked List 13 Which application requires checking if opening and closing parentheses, brackets, and braces are matched correctly? a Postfix Evaluation b Tower of Hanoi c Balancing Symbols 14 Converting an arithmetic expression from Infix to Postfix format is a classic application of which data structure? a Stack b Circular Queue c Linked List 15 A Priority Queue is often used in operating systems for which function? a Binary Search b Scheduling c Depth-First Search 16 A hierarchical file system (folders inside folders) is a real-world example of which data structure? a Graph b Queue c Tree 17 Which tree traversal method explores the left subtree, then the current node, and finally the right subtree? a Pre-Order b In-Order c Post-Order 18 Which operation is performed in an AVL Tree when the insertion of a node causes an imbalance? a Merging b Pruning c Rotation 19 Which technique is used to find a new, open slot in a hash table when a collision occurs (two keys map to the same index)? a Traversal b Hashing Function c Collision Resolution Techniques 20 In a Binary Search Tree (BST), which property allows for efficient searching? a Every node has exactly two children. b Left child key ≤ Parent key ≤ Right child key c The tree is always perfectly balanced. 21 Which graph representation stores connections using a two-dimensional array, where A[i][j] is 1 if node i is connected to node j? a Adjacency Matrix b Adjacency List c Edge List 22 Which algorithm is used to find the shortest path between a single source node and all other nodes in a graph with non-negative edge weights? a Kruskal's Algorithm b Prim's Algorithm c Dijkstra's Algorithm 23 The problem of finding the smallest set of edges that connects all vertices in a weighted graph without forming a cycle is solved using which concept? a Minimum Spanning Tree b Graph c B-Tree 24 Which graph traversal method uses a Stack(implicitly or explicitly) and explores as far as possible along each branch before backtracking? a BFS b DFS c Prim's Algorithm 25 Scheduling tasks or events with dependencies (e.g., Task A must finish before Task B starts) is an application of which graph algorithm? a Dijkstra's Algorithm b Prim's Algorithm c Topological Sorting

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Froggy Jumps

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DSA QuizOnline version

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A team of programmers needs to store records of 100 students, each having a name, roll number, and grade. Which C programming concept is the most suitable for this purpose?

If an algorithm's time complexity is O(n), and the input size n doubles, approximately how much longer will the algorithm take to run?

Which Big O notation best describes the complexity of accessing an element at a specific index in a standard C array?

In a structure defined in C, if one member is a pointer to the structure type itself, what is it called?

Which concept from the course represents the idea of a data type defined by its operations, not by how it is stored (e.g., 'List' defined by 'Insert', 'Delete', 'Search')?

Which data structure would you choose to efficiently implement a music playlist where songs can be easily added to the start, end, or middle, and also removed from any position?

A company wants to store data for its 1000 employees. To allocate the exact amount of memory needed during runtime, which technique should be used?

Which type of linked list allows traversal in both the forward and backward directions?

A program is performing a **sparse matrix** operation. Which data structure is typically used to save memory by only storing non-zero elements?

What is the time complexity of searching for an element in an unsorted array?

A word processor application implements the **'Undo' feature**. Which linear data structure is most appropriate for managing the sequence of operations?

In a single-lane toll plaza, cars are processed in the order they arrive. Which data structure models this 'First-In, First-Out (FIFO)' behavior?

Which application requires checking if opening and closing parentheses, brackets, and braces are matched correctly?

Converting an arithmetic expression from Infix to Postfix format is a classic application of which data structure?

A Priority Queue is often used in operating systems for which function?

A hierarchical file system (folders inside folders) is a real-world example of which data structure?

Which tree traversal method explores the left subtree, then the current node, and finally the right subtree?

Which operation is performed in an AVL Tree when the insertion of a node causes an imbalance?

Which technique is used to find a new, open slot in a hash table when a collision occurs (two keys map to the same index)?

In a Binary Search Tree (BST), which property allows for efficient searching?

Which graph representation stores connections using a two-dimensional array, where A[i][j] is 1 if node i is connected to node j?

Which algorithm is used to find the shortest path between a single source node and all other nodes in a graph with non-negative edge weights?

The problem of finding the smallest set of edges that connects all vertices in a weighted graph without forming a cycle is solved using which concept?

Which graph traversal method uses a Stack(implicitly or explicitly) and explores as far as possible along each branch before backtracking?

Scheduling tasks or events with dependencies (e.g., Task A must finish before Task B starts) is an application of which graph algorithm?

A program is performing a sparse matrix operation. Which data structure is typically used to save memory by only storing non-zero elements?

A word processor application implements the 'Undo' feature. Which linear data structure is most appropriate for managing the sequence of operations?