What are the 4 data structures?

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Accepted Answer

There are many data structures in computer science, but four commonly used ones are:

Arrays: Arrays are a basic data structure that store elements of the same type in contiguous memory locations. They provide fast access to elements using an index but have a fixed size.
Linked Lists: Linked lists consist of nodes that hold data and a reference to the next node in the sequence. They allow dynamic memory allocation and efficient insertion and deletion operations but have slower access times compared to arrays.
Stacks: Stacks follow the Last-In-First-Out (LIFO) principle, where the last element added is the first one to be removed. It supports two primary operations: push (to add an element) and pop (to remove the top element).
Queues: Queues follow the First-In-First-Out (FIFO) principle, where the first element added is the first one to be removed. They support two primary operations: enqueue (to add an element at the rear) and dequeue (to remove an element from the front).

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Introduction to Data Structures For beginners

Computer Science

Simplilearn

How to Get The Certificate

Lesson 1 Introduction to Data Structure Simplilearn

Lesson 2 What is a DS Why do we need DS Typs of DS Importance of DS Simplilearn

Lesson 3 Time Complexity in DS and Algorithms Simplilearn

Lesson 04 Pointers in C DS and Algorithm Simplilearn

Lesson 5 Arrays in DS and Algorithm Simplilearn

Lesson 6 Two Dimensional Array in DS and Algorithm Simplilearn

Lesson 7 Linked List in DS and Algorithm Simplilearn

Lesson 8 Singly Linked List in DS and Algorithm Simplilearn

Lesson 9 Doubly Linked List in DS and Algorithm Simplilearn

Lesson 10 Circular Linked List in DS and Algorithm Simplilearn

Lesson 11 Array vs Linked List in DS and Algorithm Simplilearn

Lesson 12 Stacks in DS and Algorithm Simplilearn

Lesson 13 Queue and Priority Queue In Data Structures and Algorithms Simplilearn

Lesson 14 Dequeue In Data Structures and Algorithms Simplilearn

Lesson 15 Tree Data Structures and Algorithms Simplilearn

Lesson 16 Tree Traversal in Data Structures and Algorithms Simplilearn

Lesson 17 Binary Tree and Binary search tree in Data Structures and Algorithms Simplilearn

Lesson 18 B Plus Tree in Data Structures and Algorithms Simplilearn

Lesson 19 Graphs In Data Structures and Algorithms Simplilearn

Lesson 20 Spanning Tree In Data Structures and Algorithms Simplilearn

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