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Demo Classes

Entity Relationship (ER) Model in DBMS

Process State Diagram

TCP/IP Model: Layers, Characteristics, Functions

HyperText Transfer Protocol (HTTP)

DBMS Keys: Super, Candidate, Primary, Foreign (Examples)

Normalization in DBMS

AVL Tree

Huffman Coding

Dijkastra's Algorithm

Heuristic Functions

PDF Notes

Unit - 1:- Discrete Structures and Optimization

Graph Theory

Simple Graph

Multigraph

Pseudograph

Directed Graph

Directed Multigraph

Degree of Vertices, Indegree & Outdegree of Vertices

Degree Sequence of a Graph and Regular Graph

Complete Graph

Bipartite Graph and Number of Edges in Bipartite

Planar Graph and Euler's Formula for Planar Graph

Complement of a Graph

Isomorphic Graphs and Isomorphism

Walk, Trail, Circuit, Path and Cycle

Euler Graph, Eular Path & Euler Circuit

Graph Theory_Set 1_Questions

Group Theory

Algebraic Structure, Binary Operations and Closure Property

Semigroup and Associativity Property

Monoid and Identity Element

Group and Inverse Element

Abelian and Commutative Property

Boolean Algebra

Minterms and Maxterms in Boolean Algebra

Boolean Function Representation: Sum of Product (SOP)

Product of Sum (POS)

Unit 1 Videos

Lecture 1

Lecture 2

Lecture 3

Lecture 4

Lecture 5

Lecture 6

Lecture 7

Lecture 8

Lecture 9

Lecture 10

Lecture 11

Lecture 12

Lecture 13

Lecture 14

Lecture 15

Discrete Mathematics PDF Part 1

Discrete Mathematics PDF Part 2

Discrete Mathematics MCQs PDF

Linear Programming PDF

Linear Programming Questions PDF

Probability Lecture 1

Probability Lecture 2

Probability Lecture 3

Probability Lecture 4

Probability Questions PDF

Permutation & Combination Lecture 1

Permutation & Combination Lecture 2

Permutation & Combination Lecture 3

Permutation & Comninations Questions PDF

Unit - 2:- Computer System Architecture

Lecture 1

Lecture 2

Lecture 3

Lecture 4

Lecture 5

Lecture 6

Lecture 7

Lecture 8

Lecture 9

Lecture 10

Lecture 11

Lecture 12

Lecture 13

Lecture 14

Lecture 15

Lecture 16

Lecture 17

Lecture 18

Lecture 19

Lecture 20

Lecture 21

Lecture 22

Lecture 23

Lecture 24

Lecture 25

Lecture 26

Lecture 27

Lecture 28

Lecture 29

Lecture 30

Lecture 31

Lecture 32

Lecture 33

Lecture 34

Lecture 35

Lecture 36

Lecture 37

Flip Flops & Counters

Lecture 38

Lecture 39

Lecture 40

Lecture 41

Lecture 42

Lecture 43

Lecture 44

Lecture 45

Lecture 46

Lecture 47

Lecture 48

Lecture 49

Lecture 50

Lecture 51

Lecture 52

Lecture 53

Lecture 54

Lecture 55

Lecture 56

Lecture 57

Digital Logic

Logic Gates: AND, OR, NOT, NAND, NOR, XOR

K-Map Simplification Explained with Examples

K-Map with Don't Care Conditions

Half Adder with Truth Table, Block Diagram, Logic Expression and Circuit Diagram

Full Adder with Truth Table, Block Diagram, Logic Expression and Circuit Diagram

Half Subtractor with Truth Table, Block Diagram, Logic Expression and Circuit Diagram

Full Subtractor with Truth Table, Block Diagram, Logic Expression and Circuit Diagram

Binary to Gray Code Conversion and Vice Versa

De Morgan's Laws (Theorem) with Truth Table in Boolean Algebra

1's complement and 2's complement

Binary Subtraction using 1's complement

Binary Subtraction using 2's complement

Minterms and Maxterms in Boolean Algebra

Boolean Function Representation: Sum of Product (SOP)

Product of Sum (POS)

Implementation (Realization) of All Logic Gates using NAND and NOR Gates (Universal Gates) Only

Implementation (Realization) of XOR and XNOR Gates using NAND and NOR Gates (Universal Gates) Only

Logic Circuit Design from Boolean Expression using Only NAND Gates

Implementation of Boolean Expression and Logic Function using only NOR Gates

Logic Circuit Design from Boolean Expression using Only NOR Gates

Multiple Choice Questions

Combinational Circuits in Digital Logic Part - 1

Multiple Choice Questions Part - 1_Combinational Circuits

Combinational Circuits in Digital Logic - Part 2

Multiplexer in Digital Electronics with Truth Table, Logic Expression, Block & Circuit Diagram

Multiple Choice Questions_Combinational Circuits_Part 2

Cache Memory MCQ

Karnaugh Map (K Map)

K Map Digital Logic

Multiple Choice Questions Part - 1

MCQ of Computer Architecture_Part - 1

Computer Architecture Worksheet 1

Computer Architecture Worksheet 2

Computer Architecture Worksheet 3

Computer Architecture Worksheet 4

Computer Architecture Worksheet 5

Lectures PDF

1. Flip Flop

2. Register Transfer and Microoperations

3. Basic Computer Organization and Design

4. Microprogrammed Control

5. Addressing Modes

6. Central Processing Unit

7. Pipeline & Vector Processing

8. Input-Output Organization

9. Memory Hierarchy

10. Associative Memory

11. Auxiliary Memory

12. Memory Management Hardware

Unit - 3:- Programming Languages and Computer Graphics

Lecture 1

Lecture 2

Lecture 3

Lecture 4

Lecture 5

Lecture 6

Lecture 7

Lecture 8

Lecture 9

Lecture 10

Lecture 11

Lecture 12

Lecture 13

Lecture 14

Lecture 15

Lecture 16

Lecture 17

Lecture 18

Lecture 19

Lecture 20

Lecture 21

Lecture 22

Web Programming: HTML & Scripting

HTML

HTML Part 1

HTML Part 2

HTML Part 3

HTML Notes

CSS

CSS Part 1

CSS Part 2

CSS Part 3

CSS MCQ Part 1

CSS Notes

JavaScript

JavaScript Part 1

JavaScript Part 2

JavaScript Part 3

JavaScript Notes

Javascript Notes

Programming Language: Java

Java Part 1

Java Part 2

Java Part 3

Java Part 4

Java Notes

Notes PDF

Computer Graphics PDF Part 1

Computer Graphics PDF Part 2

Computer Graphics PDF Part 3

Computer Graphics PDF Part 4

Object Oriented Programming (OOPs) PDF Part 1

Object Oriented Programming (OOPs) PDF Part 2

Object Oriented Programming (OOPs) PDF Part 3

Object Oriented Programming (OOPs) PDF Part 4

Object Oriented Programming (OOPs) PDF Part 5

Object Oriented Programming (OOPs) PDF Part 6

Programming Fundamental PDF

Web Applications PDF

Unit - 4:- Database Management Systems

ER Model

Entity Relationship (ER) Model

Strong and Weak Entity Sets

Types of Attributes

Cardinality in ER Diagram

Types of Degree of a Relationship Set

DBMS Part 1

DBMS Part 2

DBMS Part 3

DBMS Part 4

DBMS Part 5

DBMS Part 6

DBMS Part 7

DBMS Part 8

DBMS Part 9

DBMS Part 10

DBMS Part 11

DBMS Part 12

DBMS Part 13

DBMS Part 14

DBMS Part 15

DBMS Part 16

DBMS Part 17

Detailed Lectures

Entity Relationship Model

Functional Dependencies and Normalization

Functional Dependencies & Normalization

Multiple Choice Questions (MCQ)

Candidate Keys & Normalization

Candidate Keys & Normalization MCQ

DBMS Part 18

DBMS Part 19

DBMS Part 20

DBMS Part 21

DBMS Part 22

Notes PDF

1. Database System Concepts and Architecture

2. Relational Model

3. Entity-Relationship Diagram

4. Functional Dependencies & Normalization

5. SQL-Basics

6. SQL Complete

7. Transaction Processing

8. Enhanced Data Models

9. Data Warehousing and Data Mining

10. Classification Vs Clustering

11. Classification Vs Regression

12. Data Mining and Data Warehousing

13. Data Warehouse and Data Mart

14. Descriptive and Predictive Data Mining

15. OLTP and OLAP

16. ROLAP and MOLAP

DBMS PDF Part 1

DBMS PDF Part 2

DBMS PDF Part 3

DBMS PDF Part 4 (SQL)

Unit - 5:- System Software and Operating Systems

Process Management

Difference Between Program and Process

What is Process?

Process State Diagram

Process Control Block

Process Schedulers

Schedulars

Context Switching & Type of Processes

Process Management Part 1

Process Management Part - 2

Process Management Part 2

Scheduling Algorithms

Scheduling Criteria

Types of Scheduling Algorithms

FCFS (First Come First Serve) Scheduling Algorithms

Shortest Job First (SJF) Scheduling Algorithm

Shortest Remaining Time First (SRTF) Scheduling Algorithm

Round Robin (RR) Scheduling Algorithm

Priority Preemptive Scheduling Algorithm

Priority Non-Preemptive Scheduling Algorithm

Highest Response Ratio Next Scheduling Algorithm

Longest Job First (LJF) Scheduling Algorithm

Longest Remaining Time First Scheduling Algorithm

Scheduling Algorithms (Part - 1)

Scheduling Algorithms Part 1

Scheduling Algorithms (Part - 2)

Scheduling Algorithms Part 2

Scheduling Algorithms (Part - 3)

Scheduling Algorithms Part 3

Scheduling Algorithms (Part - 4)

Scheduling Algorithms Part 4

Scheduling Algorithms (Part - 5)

Scheduling Algorithms Part 5

Scheduling Algorithms (Part - 6)

Scheduling Algorithms Part 6

MCQ on Scheduling Algorithms - Part 1

MCQ of Scheduling Algorithms Part 1

Scheduling Algorithms MCQ Part 2

MCQ on Scheduling Algorithms Part 3

MCQ of Scheduling Algorithms Part 3

Scheduling Algorithms MCQ Part 4

Deadlock

Deadlock Part 1

Deadlock Part 2

Multiple Choice Questions on Deadlock

Deadlock MCQ

Memory Management

Lecture 4

Lecture 5

Lecture 6

Lecture 7

Lecture 8

Lecture 9

Paging Concepts MCQ

Paging Concepts

Translation Lookaside Buffer (TLB)

Disk Scheduling Algorithms

Lecture 1

Lecture 2

Lecture 3

Disk Scheduling Algorithms Part - 1

Disk Scheduling Algorithms Part 1

Disk Scheduling Algorithms Part - 2

Disk Scheduling Algorithms Part 2

Multiple Choice Questions (MCQ)

Operating Systems MCQ Part 1

Operating Systems MCQ Part 2

Operating Systems MCQ Part 3

Operating Systems MCQ Part 4

Lecture 15

OS_Worksheet 1_Part 1

OS_Worksheet 1_Part 2

OS_Worksheet 2

OS_Worksheet 3

OS_Worksheet 4

OS_Worksheet 5

Notes & PDF

OS PDF Part 1

OS PDF Part 2

OS PDF Part 3

OS PDF Part 4

OS PDF Part 5

OS PDF Part 6

OS PDF Part 7 (Unix)

Unit - 6:- Software Engineering

Lecture 1

Lecture 2

Lecture 3

Lecture 4

Lecture 5

Lecture 6

Lecture 7

Lecture 8

Lecture 9

Lecture 10

Software Engineering PDF Part 1

Software Engineering PDF Part 2

Software Engineering PDF Part 3

OPEN SOURCE CONCEPTS PDF

Unit - 7:- Data Structures and Algorithms

Sorting Algorithms

Insertion Sort

Merge Sort

Selection Sort

Quick Sort

Bubble Sort

Sorting Concepts & Its Multiple Choice Questions

Sorting Concept & its multiple choice questions

Binary Tree

Binary Tree - Traversals

Binary Search Tree

Important Concepts & Multiple Choice Questions of Tree

Important Topics of Tree

Graph

Graph - Traversals

Breadth First Search

Depth First Search

Dijkastra's Algorithm Part 1

Dijkastra's Algorithm Part 2

Floyd Warshall Algorithm Part 1

Floyd Warshall Algorithm Part 2

Spanning Tree

Minimum Spanning Tree

Kruskal's Algorithm

Prim's Algorithm

Important Concepts & Multiple Choice Questions of Graph

Important Topics of Graph

Tree and Graph MCQ

Tree & Graph MCQ

Huffman Coding

Huffman Coding Part 1

Huffman Coding Part 2

Huffman Coding Part 3

Hashing

Hashing Part 1

Hashing Part 2

Hashing part 3

AVL

AVL Part 1

AVL Part 2

AVL Part 3

AVL Part 4

Greedy Algorithms

Greedy Algorithm- Part 1

Greedy Algorithm - Part 2

Multiple Choice Questions (MCQ)

Algorithms_Multiple Choice Questions

Algorithm_MCQ

Data Structures_MCQ Part - 1

Data Structures_MCQ Part - 2

Data Structures_MCQ

Multiple Choice Questions Part - 1

Multiple Choice Questions Part - 2

DS_Worksheet 1

DS_Worksheet 2

DS_Worksheet 3

DS_Worksheet 4

DS_Worksheet 5

DS Practice Questions

Notes & PDF

Data Structures and Algorithms PDF Part 1

Data Structures and Algorithms PDF Part 2

Data Structures and Algorithms PDF Part 3

Unit - 8:- Theory of Computation and Compilers

Lecture 1

Lecture 2

Lecture 3

Lecture 4

Lecture 5

Lecture 6

Lecture 7

Lecture 8

Lecture 9

Lecture 10

Lecture 11

Lecture 12

Lecture 13

Lecture 14

Lecture 15

Lecture 16

Lecture 17

TOC_Worksheet 1

TOC_Worksheet 2

TOC_Worksheet 3

TOC PDF Part 1

TOC PDF Part 2

TOC PDF Part 3

TOC PDF Part 4

TOC PDF Part 5

Compiler New Lectures

Compiler Part 1

Compiler Part 2

Compiler Part 3

Compiler Part 4

Compiler Part 5

Compiler Part 6

Compiler Part 7

Compiler Part 8

Compiler Part 9

Compiler Part 10

Compiler Part 11

Compiler Part 12

Compiler Part 13

Compiler Part 14

Compiler Part 15

Compiler Part 16

Compiler Part 17

Compiler Part 18

Compiler Part 19

Compiler Part 20

Compiler Part 21

Compiler Part 22

Compiler Part 23

Compiler Part 24

Compiler Part 25

Compiler Part 26

Compiler Part 27

Compiler Part 28

Compiler Part 29

Compiler Part 30

Compiler Part 31

Compiler Part 32

Compiler Part 33

Compiler Part 34

Compiler Part 35

Compiler Part 36

Compiler Part 37

Compiler Part 38

Compiler Part 39

Compiler Part 40

Compiler Part 41

Compiler Part 42

Compiler Part 43

Compiler Part 44

Compiler Part 45

Compiler Part 46

Compiler Part 47

Compiler Part 48

Compiler Part 49

Compiler Part 50

Compiler Part 51

Compiler Part 52

Compiler Part 53

Compiler Part 54

TOC New Lectures

TOC Part 1

TOC Part 2

TOC Part 3

TOC Part 4

TOC Part 5

TOC Part 6

TOC Part 7

TOC Part 8

TOC Part 9

TOC Part 10

TOC Part 11

TOC Part 12

TOC Part 13

TOC Part 14

TOC Part 15

TOC Part 16

TOC Part 17

TOC Part 18

TOC Part 19

TOC Part 20

TOC Part 21

TOC Part 22

TOC Part 23

TOC Part 24

TOC Part 25

TOC Part 26

TOC Part 27

TOC Part 28

TOC Part 29

TOC Part 30

TOC Part 31

TOC Part 32

TOC Part 33

TOC Part 34

TOC Part 35

TOC Part 36

TOC Part 37

Unit - 9:- Data Communication and Computer Networks

Lecture 1

Lecture 2

Lecture 3

Lecture 4

Lecture 5

Lecture 6

Lecture 7

Lecture 8

Lecture 9

Lecture 10

Lecture 11

Lecture 12

Short Lectures

What is Computer Networks?

Types of Networks

Network Devices

Network Topologies

MAC Address

IP Address

Domain Name System

Chatting

VOIP

WWW, HTML, HTTP, URI

Web Pages

Web Server

Hosting of Website

Web Browser

Data Communication

Components of Data Communication

Data Transer Rate & Bandwidth

Types of Data Communication

Switching Techniques

Transmission Media

Wired Transmission Media

Wireless Transmission Media

Mobile Telecommunication Technologies

Protocols

FTP

PPP

SMTP

TCP Protocol

What is Networks in Computer Networks?

Components of Computer Networks: Hub, Switch, Cables, Modem, Router, NIC, Connector

Network Architecture in Computer Networks

Types of Network Topologies in Computer Networks

Transmission Modes in Computer Networks

Transmission Media

OSI Model: Layers, Characteristics, Functions

TCP/IP Model: Layers, Characteristics, Functions in Computer Networks

Application Layer Protocols

Domain Name Systems (DNS)

HyperText Transfer Protocol (HTTP)

Simple Mail Transfer Protocol (SMTP)

Simple Network Management Protocol (SNMP)

File Transfer Protocol (FTP)

Multiple Choice Questions

Data Link Layer's Protocols Part 1

Data Link Layer's Protocols_Part - 1

Data Link Layer's Protocols Part 2

Data Link Layer's Protocols_Part - 2

Data Link Layer Protocols Part - 3

Data Link Layer's Protocols_Part - 3

Sliding Window Protocols

IP Fragmentation

Protocols in Application Layer

RSA Algorithm in Network Security

Computer Networks MCQ_1

Computer Networks MCQ_2

Computer Networks MCQ_3

Computer Networks MCQ_4

Worksheet 1 (Computer Network)

Worksheet 2 (Computer Network)

Worksheet 3 (Computer Network)

Worksheet 4 (Computer Network)

Worksheet 5 (Computer Network)

Lectures PDF

1. Data Communication

2. Computer Networks

3. Network Models

4. Data Link Layer

5. Network Layer

6. Transport Layer

7. Network Security

8. Mobile Technology

Computer Networks PDF Part 1

Computer Networks PDF Part 2

Computer Networks PDF Part 3

Computer Networks PDF Part 4

Computer Networks PDF Part 5

Computer Networks PDF Part 6

Computer Networks MCQs Pdf

Client Server PDF

Unit - 10:- Artificial Intelligence (AI)

Lecture 1

Lecture 2

Lecture 3

Lecture 4

Lecture 5

Lecture 6

Lecture 7

Lecture 8

Lecture 9

Lecture 10

Lecture 11

Lecture 12

Lecture 13

Lecture 14

Lecture 15

Lecture 16

Lecture 17

AI MCQs Session 1

AI MCQs Session 2

AI MCQs Session 3

AI MCQs Session 4

Worksheet 1 (AI) Solution

Artificial Intelligence & Logic PDF Part 1

Artificial Intelligence & Logic PDF Part 2

Artificial Intelligence & Logic PDF Part 3

Mock Test for June 2023

Mock Test - 01

Mock Test 01 Answer key

Mock Test - 02

Mock Test 02 Answer key

Mock Test - 03

Mock Test 03 Answer key

Mock Test - 04

Mock Test 04 Answer key

Mock Test - 05

Mock Test 05 Answer key

Mock Test - 06

Mock Test 06 Answer key

Mock Test - 07

Mock Test 07 Answer key

Mock Test - 08

Mock Test 08 Answer key

Question Papers PDF

Computer Science UGC NET 2019 December

CS Question paper 2020

UGC Net Computer Science 2021

Computer Science UGC NET 2022

Computer Science UGC NET December 2022

Computer Science UGC NET June 2023

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