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Data Structures — Page 2

Practice Data Structures MCQs for Pakistan exams (CSS, FPSC, PPSC, NTS) — 102 practice questions with answers and explanations.

The concept in which a method of visiting all nodes of a tree by processing the left subtree, then the node, then the right subtree is best known as which of these terms?
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 the same type, forming the basis of linked structures.
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 added or removed.
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 to the next node in sequence.
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 function for fast lookup?
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 relationships is best known as which of these terms?
Identify the correct definition of Graph.
What term describes the following? a tree-based structure that satisfies the heap property, often used to implement priority queues.
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 subtree contains larger values.

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