# Data Structures Lecture Notes PDF | DS Lecture Notes & Study Material PDF Free Download

Data Structures Study Notes PDF: Students who are pursuing Bachelor in Technology and want access to Data Structures Handwritten Notes and Study materials can access the best sources to help you in your preparation process.

The Data Structures Lecture Notes and Study Material is the main source that will help students prepare better for their examination. With the best Data Structures, Lecture Notes, and Study materials students can score better marks. This article helps students access the best notes for Data Structures and Algorithms Notes following the syllabus.

Data Structures Lecture Notes and Study Material provides students with a head start over other students. They acquire access to all the latest syllabus, reference books, and a list of all the important questions on Data Structures and Algorithms Notes. Aspirants can download the Data Structures Complete Notes and Study Material PDFs and refer to the Reference Books from this article. It is going to prepare for their Data Structures examination and score good marks.

## Introduction to Data Structure

Data Structure is the representation of the relationship between individual elements of data in the logical sequence. With the help of data structure, you can organize all the data, and you easily under the relation that exists between different individual data.

Data Structures is a concept in which students learn about data, how it is stored, and the way it is processed. An algorithm is used to process the data that is stored. The concept of data structure and algorithms is interrelated and are complementary to each other. When you choose a data structure, it will affect the algorithm that you will choose. If you choose the algorithm first, it will affect the data structure.

Students who are pursuing Bachelors in Technology (BTech) can access and download the best and latest Data Structures Lecture Notes and Study Material from this article. The sources of the study material are the best and most useful tool that can help students improve their preparation process and their performance in the examination.

Students can download the pdf of Data Structures Lecture Notes and Study Material for free and refer to them while they are preparing for their examination. With the help of the reference material, students will get a better understanding of all the concepts and important topics of Data Structures. When students use all the available study material, they will be able to improve their performance in the exam and score better marks.

Here is a list of a few important Data Structures Notes for a thorough preparation of the DS course programme-

• Data Structure using C Notes PDF
• Data Structure Study Material PDF
• Data Structure Question Paper
• Data Structure Text Book PDF

### Data Structures and Algorithms Reference Books

The best reference material that students can refer to for Data Structures is reference books. With the help of the reference books, students can access more information about all the topics and concepts of Data Structures. Students can access the best reference books with the best recommendations of experts for Data Structures. You can read through the article and find a reference book that matches your needs and requirements.

The list of the best and most recommended books for Data Structures are as follows. Students should ensure that they are studying from reference books that meet their best requirements the best.

• Data Structure, Algorithms and Applications in C++ (2nd Edition)
• Data Structure and Algorithms Analysis in C++ written by Mark Allen Weiss
• Problem Solving with C++, The OOP (4th Edition)

### Data Structures Syllabus

Reading the syllabus for Data Structures is the first step towards starting your preparation for your Data Structures examination. The syllabus gives the students a better idea of what are the concepts and what they should study. It gives an outline to the students an outline of all the concepts and topics in Data Structures. This article provides students with the latest Data Structures syllabus, in check with the requirements of all the students.

The Data Structures Course Curriculum gives the students a clear idea of what to study and what are the relevant topics. The unit-wise break up of the concepts in the course syllabus enlists all the important topics and concepts under each unit so that students know what to study.

Students should ensure that they cover all the important topics while preparing for their examination. When they read all the important topics, they will be able to write the examination comfortably. Another advantage of reading and going through the syllabus is that students will know the relevant topics., and they won’t wats their time studying unnecessary topics.

The latest unit-wise breakup of the Data Structures Syllabus is as follows:

Unit 1: Arrays

Abstract data type

The array as an abstract data type

The polynomial abstract data type

Polynomial representation

Sparse matrices

Introduction

Sparse matrix representation

Transposing a matrix

Matrix multiplication

Representation of arrays

Unit 2: Stacks and Queues

The stack abstract data type

The queue abstract data type

Evaluation of expressions

Expressions- Postfix notation

Infix to Postfix

Circular lists

Available space lists

Polynomials

Polynomial representation

Circular list

Representation of polynomials

Equivalence classes

Sparse matrices

Sparse matrix representation

Sparse matrix input

Deleting a sparse matrix

Generalised lists

Representation of generalised list

Recursive algorithms for lists

Reference counts

Shared and recursive lists

Unit 4: Trees

Representation of trees

Binary trees

The abstract data type

Properties of binary trees

Binary tree representations

Binary tree traversal

Introduction

Inorder traversal preorder traversal

Postorder traversal

Inorder traversal of a threaded binary tree

Inserting a node into a threaded binary tree

Heaps

Priority queues

Definition of a max heap

Insertion into a max heap

Deletion from a max heap

Binary search trees

Definition

Searching a binary search tree

Insertion into a binary search tree

Deletion from a binary search tree

Height of a binary search tree

Unit 5: Graphs

The graph abstract data type

Introduction

Definition

Graph representation

Elementary graph operation

Depth-first search

Connected components

Spanning trees

Biconnected components

Minimum cost spanning trees

Kaushal S Algorithm

Prims algorithm

Collin’s algorithm

Shortest paths

Transitive closure

Single source/ all destination

General weights

All – pairs shortest path

Transitive closure

Unit 6: Sorting

Insertion sort

Quicksort

Merge sort merging

Iterative merge sort

Recursive merge sort

Heapsort

Summary of internal sorting

### List of Data Structures Lecture Important Questions

Students who are pursuing Bachelors in Technology, MTech, BCA or MCA can go through the list of all the essential and important questions of the Data Structures course programme. Aspirants can go through and review the questions in the section below. These questions aim to help students score their best for their Data Structures examination.

1. What is an algorithm?
2. If you had to develop an algorithm, what steps would you follow to develop it?
3. What are the properties of an algorithm?
4. How would you define the efficiency of an algorithm?
5. What are the various methods to estimate this efficiency?
6. Write a short on the importance of stopping case in recursive functions.
7. Make a comparative study between an array and a linked list.
8. Write a short note on the stack.
9. Define the concepts of infix, prefix, and postfix.
10. Write a short note on linked lists and its types?
11.  If you have to implement an LRU cache, which data structure should you use?

### FAQs on Data Structures Lecture Notes

Question 1.

What is Data Structures?

Data Structure is the representation of the relationship between individual elements of data in the logical sequence. With the help of data structure, you can organize all the data, and you easily under the relation that exists between different individual data. Data Structures is a concept in which students learn about data, how it is stored, and the way it is processed.

Question 2.

Here are some of the reference material that students can download and access for Data Structure:

• Data Structure using c Notes PDF
• Data Structure Study Material PDF
• Data Structure Question Paper
• Data Structure Text Book PDF

Question 3.

What are some of the reference material that students can refer to for Data Structures?

Here are some of the reference books that students can access for Data Structure:

1. Data Structure, Algorithms and Applications in C++ (2nd Edition)
2. Data Structure and Algorithms Analysis in C++ written by Mark Allen Weiss
3. Problem Solving with C++, The OOP (4th Edition)

Question 4.

List out some of the important questions for Data Structures.