Data Structures
Practice Data Structures MCQs for Pakistan exams (CSS, FPSC, PPSC, NTS) — 102 practice questions with answers and explanations.
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Data Structures on MCQsHub is 52 published questions for Pakistan exams such as CSS, FPSC, PPSC, and NTS. Open a question, choose an option, then read the explanation before you move on. The explanation names the correct choice and why the other options do not fit. Difficulty labels and topic tags show which idea to revise next, instead of repeating questions you already know.
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The concept in which an abstract data structure where each element has a priority, and elements are served acc... Identify the correct definition of Priority queue. What term describes the following? a data structure that allows insertion and removal of elements from both th... In computer science, Dequeue refers to which of the following? Select the correct name for: a matrix in which most of the elements are zero, often stored using specialized s... Which statement correctly explains Sparse matrix? Which concept is defined as follows: a way of representing a graph where each vertex stores a list of its neig... What is Adjacency list primarily used for? The following statement describes a specific concept. What is it called? a way of representing a graph using a... Select the accurate description of Adjacency matrix. Which term refers to a self-balancing tree data structure that maintains sorted data and allows searches, inse... What does B-tree refer to? What is the name for a probabilistic data structure that uses multiple layers of linked lists to allow fast se... Which of the following best describes Skip list? Identify the correct concept described as: a measure in a hash table calculated as the number of stored elemen... Load factor is best defined as which of the following? A situation in a hash table where two different keys produce the same hash value. What is this concept called? Choose the correct description of Hash collision. Which of the following best names the concept in which a collision resolution technique in hashing that search... What is the function or purpose of Linear probing? The concept in which a method of visiting all nodes of a tree by processing the left subtree, then the node, t... Identify the correct definition of In-order traversal. What term describes the following? a node structure that contains a pointer or reference to another node of th... In computer science, Self-referential structure refers to which of the following? Select the correct name for: an array-like data structure that automatically resizes itself as elements are ad... Which term refers to a linear data structure that follows the Last-In-First-Out (LIFO) principle? What does Stack refer to? What is the name for a linear data structure that follows the First-In-First-Out (FIFO) principle? Which of the following best describes Queue? Identify the correct concept described as: a data structure where elements are stored in nodes, each pointing... Linked list is best defined as which of the following? A tree data structure in which each node has at most two children. What is this concept called? Choose the correct description of Binary tree. Which of the following best names the concept in which a data structure that maps keys to values using a hash... What is the function or purpose of Hash table? The concept in which a data structure consisting of nodes (vertices) connected by edges, used to represent rel... Identify the correct definition of Graph. What term describes the following? a tree-based structure that satisfies the heap property, often used to impl... In computer science, Heap refers to which of the following? Select the correct name for: a binary tree in which each node's left subtree contains smaller values and right... Which statement correctly explains Binary search tree? Which concept is defined as follows: a tree-like data structure used to efficiently store and retrieve strings... What is Trie primarily used for? The following statement describes a specific concept. What is it called? a linked list in which the last node... Select the accurate description of Circular linked list. Which term refers to a linked list where each node has pointers to both the next and previous nodes? What does Doubly linked list refer to? What is the name for a structure that stores elements in contiguous memory locations, allowing constant-time i... Which of the following best describes Array (contiguous memory)? Identify the correct concept described as: a self-balancing binary search tree where the height difference bet... Which traversal method visits the root node before its subtrees? Which data structure is most suitable for implementing recursion?