Data Structures and Algorithms MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation

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Which algorithm finds the shortest path in a weighted graph?

A. Dijkstra's Algorithm
B. Depth First Search
C. Kruskal's Algorithm
D. Breadth First Search

Answer: Dijkstra's Algorithm

Which of the following is a self-adjusting binary search tree?

A. Splay Tree
B. AVL Tree
C. Red-Black Tree
D. Binary Heap

Answer: Splay Tree

Which data structure is used to store the parent and child relationship in a tree?

A. Linked List
B. Array
C. Queue
D. Stack

Answer: Linked List

In which algorithm do you select the locally optimal solution at each step with the hope of finding the global optimum?

A. Greedy Algorithm
B. Dynamic Programming
C. Divide and Conquer
D. Backtracking

Answer: Greedy Algorithm

What does the dynamic programming approach involve?

A. Storing results of overlapping subproblems
B. Breaking the problem into smaller subproblems
C. Trying all possible solutions
D. Following a recursive pattern

Answer: Storing results of overlapping subproblems

Which graph traversal algorithm uses recursion?

A. Depth First Search (DFS)
B. Breadth First Search (BFS)
C. Dijkstra’s Algorithm
D. Prim’s Algorithm

Answer: Depth First Search (DFS)

Which data structure allows constant-time insertions, deletions, and access?

A. Hash Table
B. Queue
C. Stack
D. Linked List

Answer: Hash Table

Which of the following is a backtracking algorithm used to solve constraint satisfaction problems?

A. N-Queens Problem
B. Merge Sort
C. Dijkstra’s Algorithm
D. Floyd-Warshall Algorithm

Answer: N-Queens Problem

Which data structure is best for implementing a priority queue?

A. Heap
B. Stack
C. Queue
D. Linked List

Answer: Heap