Computer Science | Class 12

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    Chapter 1 Concept of Computer Programming ( 16 videos)  (Practice Test)

      1.1: Overview (Practice Test)
      What Is Computer Programming
    1. What Is Computer Programming
      83 views
      2. Computer Program
    2. Computer Program
      1590 views
      3. Introduction To Problem Solving
    3. Introduction To Problem Solving
      1908 views
      4. Problem Solving Method
    4. Problem Solving Method
      4745 views
      5. What Is Top Down Design
    5. What Is Top Down Design
      19 views
      1.2: Programming Languages in General (Practice Test)
      Language Translators: An Overview
    1. Language Translators: An Overview
      583 views
      2. Types Of Error: Syntax Error
    2. Types Of Error: Syntax Error
      198 views
      3. Types Of Error: Runtime Error
    3. Types Of Error: Runtime Error
      147 views
      4. Types Of Error: Logical Error
    4. Types Of Error: Logical Error
      191 views
      5. Single Board Computer Raspberry Pi
    5. Single Board Computer Raspberry Pi
      56 views
      6. Program Documentation: Importance And Types
    6. Program Documentation: Importance And Types
      423 views
      1.3: Programming Languages
      Programming Languages: An Overview
    1. Programming Languages: An Overview
      1084 views
      2. Generations On Computer Languages
    2. Generations On Computer Languages
      464 views
      3. Using Turtle To Teach Children
    3. Using Turtle To Teach Children
      18 views
      1.4: Object Oriented Programming
      What Is Object Oriented Programming Language
    1. What Is Object Oriented Programming Language
      843 views
      2. Visual Programming
    2. Visual Programming
      14 views

    Chapter 2 Algorithm and Flowcharts ( 17 videos)  (Practice Test)

      2.1: Algorithm
      Algorithm Analysis
    1. Algorithm Analysis
      15 views
      2. Running Time Of Algorithm
    2. Running Time Of Algorithm
      13 views
      3. What Is Space Complexity Of An Algorithm
    3. What Is Space Complexity Of An Algorithm
      6 views
      2.2: Psuedocode
      Basic Principles To Write A Pseudo Code
    1. Basic Principles To Write A Pseudo Code
      14 views
      2.3: Flowcharts (Practice Test)
      What Is A Flow Chart
    1. What Is A Flow Chart
      1061 views
      2. Basic Components To Design A Flow Chart
    2. Basic Components To Design A Flow Chart
      177 views
      3. Advantages Of Flow Chart
    3. Advantages Of Flow Chart
      1304 views
      4. Flowchart Requirements
    4. Flowchart Requirements
      47 views
      5. Development Of Flowchart
    5. Development Of Flowchart
      113 views
      6. Flow Chart Examples
    6. Flow Chart Examples
      817 views
      7. Flow Chart Examples_2
    7. Flow Chart Examples_2
      830 views
      2.4: Control Structures
      What Is Control Structure
    1. What Is Control Structure
      865 views
      2. Unconditional Transfer Of Control
    2. Unconditional Transfer Of Control
      507 views
      3. Why A Control Structure Is Important In Programming
    3. Why A Control Structure Is Important In Programming
      415 views
      2.5: Types of Flowcharts
      Types Of Flow Charts
    1. Types Of Flow Charts
      13 views
      2.6: Advantages of Flow chart
      Advantages Of Flow Chart
    1. Advantages Of Flow Chart
      1304 views
      2.7: Disadvantages of Flow chart
      Flowchart Requirements
    1. Flowchart Requirements
      47 views

    Chapter 3 An Overview of 'C' Language ( 14 videos)  (Practice Test)

      3.1: Introduction to C (Practice Test)
      Brief History Of C
    1. Brief History Of C
      34 views
      2. A Simple C Program
    2. A Simple C Program
      394 views
      3. Understanding Of Integrated Development Environment: Ide
    3. Understanding Of Integrated Development Environment: Ide
      514 views
      4. How To Create Environment Before Writing A Computer Program
    4. How To Create Environment Before Writing A Computer Program
      330 views
      5. Compiler-Turbo C++ (Creating, Saving, Editing)
    5. Compiler-Turbo C++ (Creating, Saving, Editing)
      28 views
      6. Compiling, Linking And Executing A Program
    6. Compiling, Linking And Executing A Program
      19 views
      7. Setting The Output And Source Directories
    7. Setting The Output And Source Directories
      24 views
      8. Pre-Processor Directives
    8. Pre-Processor Directives
      545 views
      3.2: The development Cycle (Practice Test)
      Flow Chart To Illustrate Working Of Compiler
    1. Flow Chart To Illustrate Working Of Compiler
      5 views
      2. A Simple C Program
    2. A Simple C Program
      394 views
      3. How To Create Environment Before Writing A Computer Program
    3. How To Create Environment Before Writing A Computer Program
      330 views
      4. Comments And Terminator Statements
    4. Comments And Terminator Statements
      412 views
      5. Escape Sequence In C
    5. Escape Sequence In C
      436 views
      6. Good Programming Practice
    6. Good Programming Practice
      6 views

    Chapter 4 C Fundamentals ( 13 videos)  (Practice Test)

      4.1: Overview
      More On Escape Sequence
    1. More On Escape Sequence
      90 views
      4.2: Identifiers and Keywords
      Identifiers Used In C Language: Standard And User Defined Identifiers
    1. Identifiers Used In C Language: Standard And User Defined Identifiers
      27 views
      2. Reserved Words In C
    2. Reserved Words In C
      484 views
      4.3: Datatype
      Datatypes In C
    1. Datatypes In C
      398 views
      4.4: Constants
      What Are Constants
    1. What Are Constants
      475 views
      2. Computer Program To Illustrate Constants
    2. Computer Program To Illustrate Constants
      311 views
      4.5: Variable
      The Concept Of Variable
    1. The Concept Of Variable
      324 views
      2. Rules For Naming Variable
    2. Rules For Naming Variable
      470 views
      3. Format Specifier
    3. Format Specifier
      1086 views
      4. Field Width Specifier
    4. Field Width Specifier
      15 views
      4.6: Arrays
      Problem Statement: Why We Need Arrays
    1. Problem Statement: Why We Need Arrays
      251 views
      2. What Are Arrays
    2. What Are Arrays
      196 views
      3. Terminologies Used In Arrays
    3. Terminologies Used In Arrays
      56 views

    Chapter 5 Operators and Expressions ( 16 videos)  (Practice Test)

      5.1: Overview
      Expressions In C++
    1. Expressions In C++
      111 views
      2. More On Expressions In C++
    2. More On Expressions In C++
      31 views
      5.2: Classification of Operators
      Operators In C
    1. Operators In C
      13 views
      2. Arithmetic Operators
    2. Arithmetic Operators
      346 views
      5.3: Order of Precedence
      Precedence Of Operator From Top To Bottom
    1. Precedence Of Operator From Top To Bottom
      282 views
      5.4: Assignment Operators
      Assignment Operators
    1. Assignment Operators
      360 views
      2. Difference Between Assignment Operator And 'Equal To' Operator
    2. Difference Between Assignment Operator And 'Equal To' Operator
      1110 views
      5.5: Relational Operators
      Relational Operators
    1. Relational Operators
      306 views
      5.6: Logical/ Boolean Operators
      Logical Operators: Not
    1. Logical Operators: Not
      319 views
      2. Logical Operators: And
    2. Logical Operators: And
      282 views
      3. Logical Operators: Or
    3. Logical Operators: Or
      221 views
      5.7: Increment & Decrement Operators
      Increment & Decrement Operators
    1. Increment & Decrement Operators
      123 views
      2. Working With Division Operator
    2. Working With Division Operator
      160 views
      3. Unary, Binary And Ternary Operators
    3. Unary, Binary And Ternary Operators
      323 views
      5.8: Conversion of Data type
      Typecasting In C Language
    1. Typecasting In C Language
      489 views
      5.9: Library Functions
      Built In Functions
    1. Built In Functions
      254 views

    Chapter 6 Input and Output Statements ( 10 videos)

      6.1: Overview
      Output Handling In C++/Cout
    1. Output Handling In C++/Cout
      163 views
      2. Input Handling In C++/Cin
    2. Input Handling In C++/Cin
      125 views
      3. Character Input In C
    3. Character Input In C
      17 views
      4. Output Statements
    4. Output Statements
      24 views
      6.2: Unformatted I/O Functions
      Getchar(): I/O Handling Function
    1. Getchar(): I/O Handling Function
      408 views
      2. Difference Between Getch() And Getche() Function
    2. Difference Between Getch() And Getche() Function
      1791 views
      3. Working Of Gets Function
    3. Working Of Gets Function
      86 views
      4. Working Of Puts Function
    4. Working Of Puts Function
      86 views
      6.3: Formatted I/O Functions
      Scanf Function In C
    1. Scanf Function In C
      431 views
      2. Printf Function In C
    2. Printf Function In C
      758 views

    Chapter 7 Selection Control Structures ( 20 videos)  (Practice Test)

      7.1: Overview
      What Is Control Structure
    1. What Is Control Structure
      865 views
      2. Unconditional Transfer Of Control
    2. Unconditional Transfer Of Control
      507 views
      3. Why A Control Structure Is Important In Programming
    3. Why A Control Structure Is Important In Programming
      415 views
      4. Introduction To Decision And Selection Statements
    4. Introduction To Decision And Selection Statements
      248 views
      7.2: The if Selection Structure (Practice Test)
      Simple If Statement In C
    1. Simple If Statement In C
      725 views
      2. Nested If Statement
    2. Nested If Statement
      292 views
      3. Problem Solving Using Nested If Statement
    3. Problem Solving Using Nested If Statement
      55 views
      4. Comparison Of Nested If And Sequence Of Ifs
    4. Comparison Of Nested If And Sequence Of Ifs
      28 views
      5. Use Of Logical Operator
    5. Use Of Logical Operator
      135 views
      6. Conditional Operator Alternative To If-Else
    6. Conditional Operator Alternative To If-Else
      191 views
      7.3: The if-else Selection Structure
      Introduction To If-Else Structure
    1. Introduction To If-Else Structure
      345 views
      2. If-Else Example Problems
    2. If-Else Example Problems
      411 views
      3. Complex Problem Solving Using Nested Loops
    3. Complex Problem Solving Using Nested Loops
      69 views
      7.4: The switch Statement (Practice Test)
      What Is Switch... Case
    1. What Is Switch... Case
      278 views
      2. Switch Default Statement
    2. Switch Default Statement
      399 views
      3. Examples On Switch... Case
    3. Examples On Switch... Case
      238 views
      4. Break Statements In C
    4. Break Statements In C
      88 views
      5. Comparison Between If, Case And Conditional Operators
    5. Comparison Between If, Case And Conditional Operators
      68 views
      6. Problem Solving 1
    6. Problem Solving 1
      12 views
      7. Problem Solving 2
    7. Problem Solving 2
      12 views

    Chapter 8 Iteration Control Structures ( 25 videos)  (Practice Test)

      8.1: Overview
      What Is Repetition Structure
    1. What Is Repetition Structure
      600 views
      2. Why We Need A Repetition Structure In Programming
    2. Why We Need A Repetition Structure In Programming
      375 views
      3. Types Of Loop
    3. Types Of Loop
      1158 views
      8.2: The for Loop (Practice Test)
      Why We Need For Loop
    1. Why We Need For Loop
      258 views
      2. Structure Of For Loop And Working
    2. Structure Of For Loop And Working
      284 views
      3. Programs On For Loop
    3. Programs On For Loop
      291 views
      4. Problem Solving Using For Loop
    4. Problem Solving Using For Loop
      67 views
      5. Requirement Of Loops Within Loop
    5. Requirement Of Loops Within Loop
      51 views
      6. Nested Loop with example
    6. Nested Loop with example
      543 views
      8.3: The while Loop (Practice Test)
      Structure Of While Loop And Its Working
    1. Structure Of While Loop And Its Working
      258 views
      2. Programs On While Loop
    2. Programs On While Loop
      38 views
      3. Example Problems Of While Loop
    3. Example Problems Of While Loop
      83 views
      4. Continue Statement
    4. Continue Statement
      236 views
      5. Problem Solving Using While Loop
    5. Problem Solving Using While Loop
      76 views
      8.4: The do-while Loop
      Why There Is A Need Of Do... While Loop
    1. Why There Is A Need Of Do... While Loop
      197 views
      2. Structure Of Do... While Loop
    2. Structure Of Do... While Loop
      200 views
      3. Difference Between While And Do While
    3. Difference Between While And Do While
      208 views
      4. Program On Do... While Loop
    4. Program On Do... While Loop
      224 views
      8.5: Nested Loops (Practice Test)
      Requirement Of Loops Within Loop
    1. Requirement Of Loops Within Loop
      51 views
      2. Nested Loop with example
    2. Nested Loop with example
      543 views
      3. Combining Loop Types
    3. Combining Loop Types
      7 views
      4. Complex Problem Solving Using Nested Loops
    4. Complex Problem Solving Using Nested Loops
      69 views
      5. Difference Between For Loop, Do While And While Loop
    5. Difference Between For Loop, Do While And While Loop
      3019 views
      6. Break Statements In C
    6. Break Statements In C
      88 views
      7. Continue Statement
    7. Continue Statement
      236 views

    Chapter 9 Functions ( 13 videos)  (Practice Test)

      9.1: Overview
      What Is Function
    1. What Is Function
      208 views
      2. Why There Is A Need Of Function In Programming
    2. Why There Is A Need Of Function In Programming
      136 views
      3. Advantages Of Using Functions
    3. Advantages Of Using Functions
      153 views
      4. Difference Between Structured And Unstructured Programming
    4. Difference Between Structured And Unstructured Programming
      50 views
      9.2: Classification of Functions
      Built In Functions
    1. Built In Functions
      254 views
      2. User Defined Functions
    2. User Defined Functions
      122 views
      9.3: General Form of Function (Practice Test)
      Signature Of Function
    1. Signature Of Function
      309 views
      2. Function Without Argument
    2. Function Without Argument
      3. Function That Return Multiple Values
    3. Function That Return Multiple Values
      2 views
      4. More On Function That Return Multiple Values
    4. More On Function That Return Multiple Values
      5. Using More Than One Functions In A Program
    5. Using More Than One Functions In A Program
      6. Function Overloading
    6. Function Overloading
      82 views
      9.4: Recursive Function
      What Is Recursion
    1. What Is Recursion
      2 views

    Chapter 10 Arrays (Optional) ( 15 videos)  (Practice Test)

      10.1: Overview
      Problem Statement: Why We Need Arrays
    1. Problem Statement: Why We Need Arrays
      251 views
      2. What Are Arrays
    2. What Are Arrays
      196 views
      3. Terminologies Used In Arrays
    3. Terminologies Used In Arrays
      56 views
      10.2: One-Dimensional Arrays
      Examples On Arrays
    1. Examples On Arrays
      194 views
      2. Defining An Array
    2. Defining An Array
      29 views
      3. How To Declare An Array In A Program
    3. How To Declare An Array In A Program
      136 views
      10.3: Manipulating Arrays (Practice Test)
      Accessing Array Index With Examples
    1. Accessing Array Index With Examples
      184 views
      2. Fill Array Index With Examples
    2. Fill Array Index With Examples
      125 views
      3. Fill Array With User Input
    3. Fill Array With User Input
      259 views
      4. Dynamic Method Using Loop
    4. Dynamic Method Using Loop
      83 views
      5. Traversing An Array
    5. Traversing An Array
      2170 views
      6. Size Of() Operator
    6. Size Of() Operator
      85 views
      10.4: Multi-Dimensional Array
      Defining 2D Array
    1. Defining 2D Array
      74 views
      2. Inializing 2D Array
    2. Inializing 2D Array
      85 views
      3. Accessing 2D-Array Index With Examples
    3. Accessing 2D-Array Index With Examples
      86 views

    Chapter 11 Strings (Optional) ( 8 videos)

      11.1: Overview (Practice Test)
      What Are Strings
    1. What Are Strings
      85 views
      2. Initialization Of Strings
    2. Initialization Of Strings
      76 views
      3. Concatenation Of Strings
    3. Concatenation Of Strings
      67 views
      4. Copying Of Strings
    4. Copying Of Strings
      55 views
      5. Finding A Character Or Word In A String
    5. Finding A Character Or Word In A String
      26 views
      6. Finding Length Of A String
    6. Finding Length Of A String
      72 views
      7. Swapping Of Strings
    7. Swapping Of Strings
      182 views
      8. Example On Different String Functions
    8. Example On Different String Functions
      37 views

    Chapter 12 Structures and Unions (Optional) ( 4 videos)

      12.1: Overview
      Problem Statement: Why We Need Structures
    1. Problem Statement: Why We Need Structures
      18 views
      2. Example On Structure
    2. Example On Structure
      3 views
      3. Union In C
    3. Union In C
      15 views
      4. Structure And Function
    4. Structure And Function
      15 views

    Chapter 13 Pointers (Optional) ( 11 videos)  (Practice Test)

      13.1: Overview
      Introduction To Pointer
    1. Introduction To Pointer
      154 views
      2. Memory Addresses
    2. Memory Addresses
      719 views
      3. Declaring Variable Of Pointer Type
    3. Declaring Variable Of Pointer Type
      129 views
      13.2: Pointer Operators (Practice Test)
      Reference Operator
    1. Reference Operator
      251 views
      2. Dereference Operator
    2. Dereference Operator
      852 views
      3. Pointers And Functions
    3. Pointers And Functions
      7 views
      4. Functions Returning Pointers
    4. Functions Returning Pointers
      5 views
      5. Pointer Initialization With Examples
    5. Pointer Initialization With Examples
      90 views
      13.3: Pointers and Arrays
      Pointers And Arrays
    1. Pointers And Arrays
      6 views
      2. Arrays Of Pointers
    2. Arrays Of Pointers
      6 views
      13.4: Pointers and Strings
      Pointers And Strings
    1. Pointers And Strings
      7 views

    Chapter 14 Introduction to File Handling ( 12 videos)  (Practice Test)

      14.1: Introduction (Practice Test)
      Introduction To File Handling
    1. Introduction To File Handling
      195 views
      2. Types Of Files: Text And Binary
    2. Types Of Files: Text And Binary
      209 views
      3. Opening A File
    3. Opening A File
      133 views
      4. Modes Of Opening A File
    4. Modes Of Opening A File
      115 views
      5. More On Modes Of Opening A File
    5. More On Modes Of Opening A File
      82 views
      6. Reading Input File
    6. Reading Input File
      253 views
      7. Closing A File
    7. Closing A File
      119 views
      8. Bof() Function
    8. Bof() Function
      89 views
      9. Eof() Function
    9. Eof() Function
      2294 views
      10. Stream And Its Types
    10. Stream And Its Types
      123 views
      11. Reading/Writing Files Character By Character
    11. Reading/Writing Files Character By Character
      58 views
      12. Reading/Writing Files Using Strings
    12. Reading/Writing Files Using Strings
      62 views

    Chapter 15 Data Management Systems ( 18 videos)  (Practice Test)

      15.1: Overview (Practice Test)
      Graphic Designing
    1. Graphic Designing
      47 views
      2. Computer System And Its Components
    2. Computer System And Its Components
      3240 views
      3. Planning A Database
    3. Planning A Database
      420 views
      4. Identifying Attributes And Entities
    4. Identifying Attributes And Entities
      183 views
      5. Rows,Tuples, Records
    5. Rows,Tuples, Records
      161 views
      6. Keys: Primary Key
    6. Keys: Primary Key
      170 views
      7. Composite Key
    7. Composite Key
      215 views
      8. Types Of Keys: Sort Key And Foreign Key
    8. Types Of Keys: Sort Key And Foreign Key
      20 views
      9. Types Of Keys: Super Key
    9. Types Of Keys: Super Key
      343 views
      10. Traditional File Management System: Record And File
    10. Traditional File Management System: Record And File
      536 views
      11. Data Handling in File Management System
    11. Data Handling in File Management System
      648 views
      12. The Database Management System
    12. The Database Management System
      328 views
      13. Advantages Of Database System
    13. Advantages Of Database System
      673 views
      14. Disadvantages Of Database System
    14. Disadvantages Of Database System
      20 views
      15. Objectives Of Dbms
    15. Objectives Of Dbms
      14 views
      16. Features Of Dbms
    16. Features Of Dbms
      14 views
      15.2: Components of Database Management System
      Database Languages For Relational Database : Sql
    1. Database Languages For Relational Database : Sql
      103 views
      2. Types Of Database Model: Hierarchical Model
    2. Types Of Database Model: Hierarchical Model
      346 views

    Chapter 16 Basics of MS Access 2000 ( 13 videos)  (Practice Test)

      16.1: Overview
      Introduction To Ms-Access
    1. Introduction To Ms-Access
      239 views
      2. Benefits Of Using Access
    2. Benefits Of Using Access
      7 views
      3. Create Database Using Database Wizard
    3. Create Database Using Database Wizard
      446 views
      4. Create Database Without Using Database Wizard
    4. Create Database Without Using Database Wizard
      15 views
      16.2: Identifying Microsoft Access Screen Elements
      Ms-Access Window Description
    1. Ms-Access Window Description
      176 views
      16.3: Naming Fields and Determining Data Types
      Creating A New Table
    1. Creating A New Table
      136 views
      16.4: Creating a Table using Table Design View (Practice Test)
      Characteristics Of Tables
    1. Characteristics Of Tables
      11 views
      2. Field Properties In Design View 1
    2. Field Properties In Design View 1
      222 views
      3. Field Properties In Design View 2
    3. Field Properties In Design View 2
      127 views
      4. Field Properties In Design View 3
    4. Field Properties In Design View 3
      88 views
      5. Field Properties In Design View 4
    5. Field Properties In Design View 4
      65 views
      16.5: Creating a Table Using the Table Wizard
      Adding Modifying And Deleting Record
    1. Adding Modifying And Deleting Record
      40 views
      2. Finding And Replacing Data
    2. Finding And Replacing Data
      15 views

    Chapter 17 Advanced MS Access 2000 ( 21 videos)  (Practice Test)

      17.1: Creating and Modifying Relationships
      Multiple Tables And Relationships
    1. Multiple Tables And Relationships
      127 views
      2. Entity Relationship Model: Entity, Attribute And Relationship
    2. Entity Relationship Model: Entity, Attribute And Relationship
      274 views
      3. Cascade Update Related Fields And Cascade Delete Rf
    3. Cascade Update Related Fields And Cascade Delete Rf
      14 views
      4. Introduction To Queries
    4. Introduction To Queries
      57 views
      17.2: Creating Select Queries
      Types Of Queries: Select Query, Action Query
    1. Types Of Queries: Select Query, Action Query
      2034 views
      2. Selecting Records By Criteria
    2. Selecting Records By Criteria
      22 views
      17.3: Adding a Calculated Field to the Query
      Performance Calculation In A Query
    1. Performance Calculation In A Query
      14 views
      17.4: Creating Forms
      Advantages Of Using Forms
    1. Advantages Of Using Forms
      123 views
      2. Creating A Form Using Wizard
    2. Creating A Form Using Wizard
      543 views
      17.5: Creating a New Form Using Design View
      Creating Form In A Design View
    1. Creating Form In A Design View
      59 views
      2. Adding Records Using A Form
    2. Adding Records Using A Form
      12 views
      3. Using Form Controls In Ms Access
    3. Using Form Controls In Ms Access
      41 views
      4. Making Subforums In Access
    4. Making Subforums In Access
      84 views
      17.6: Creating a Report Using Report Design View (Practice Test)
      Purpose Of Reports In Database
    1. Purpose Of Reports In Database
      48 views
      2. Conditional Formatting
    2. Conditional Formatting
      19 views
      3. Creating Reports Using Report Wizard
    3. Creating Reports Using Report Wizard
      112 views
      4. Creating Reports Using Query
    4. Creating Reports Using Query
      37 views
      5. Formatting Forms And Reports
    5. Formatting Forms And Reports
      30 views
      6. Saving And Printing Reports
    6. Saving And Printing Reports
      13 views
      7. Linking
    7. Linking
      8 views
      8. Creating A Switchboard In Access
    8. Creating A Switchboard In Access
      14 views