Computer Science | Class 12

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    Chapter 1 Introduction to C Language ( 17 videos)  (Practice Test)

      1.1: Programming Languages (Practice Test)
      Programming Languages: An Overview
    1. Programming Languages: An Overview
      1084 views
      2. Machine Language
    2. Machine Language
      796 views
      3. Assembly Language
    3. Assembly Language
      606 views
      4. High Level Language
    4. High Level Language
      330 views
      5. Characteristics Of High Level Languages
    5. Characteristics Of High Level Languages
      1061 views
      1.2: Language Translators
      Language Translators : An Overview
    1. Language Translators : An Overview
      583 views
      1.3: C-Language (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. Pre-Processor Directives
    3. Pre-Processor Directives
      545 views
      4. Header Files And Reserved Words In C++
    4. Header Files And Reserved Words In C++
      449 views
      5. How to create Environment before writing a Computer Program
    5. How to create Environment before writing a Computer Program
      330 views
      6. Compiler-Turbo C++ (Creating, Saving, Editing)
    6. Compiler-Turbo C++ (Creating, Saving, Editing)
      28 views
      7. Compiling, Linking And Executing A Program
    7. Compiling, Linking And Executing A Program
      19 views
      8. Understanding of Integrated Development Environment : IDE
    8. Understanding of Integrated Development Environment : IDE
      514 views
      9. scanf function in C
    9. scanf function in C
      431 views
      10. printf function in C
    10. printf function in C
      758 views
      11. Difference between getch() and getche() function
    11. Difference between getch() and getche() function
      1791 views

    Chapter 2 Fundamentals of C Language ( 26 videos)  (Practice Test)

      2.1: Constant (Practice Test)
      What are Constants
    1. What are Constants
      475 views
      2. More On Constants
    2. More On Constants
      27 views
      2.2: Variable (Practice Test)
      The Concept of Variable
    1. The Concept of Variable
      324 views
      2. Rules for naming variable
    2. Rules for naming variable
      470 views
      3. Declartion of variable
    3. Declartion of variable
      23 views
      4. Datatypes in C
    4. Datatypes in C
      398 views
      5. Format Specifier
    5. Format Specifier
      1086 views
      6. Field Width Specifier
    6. Field Width Specifier
      15 views
      7. Escape sequence in C
    7. Escape sequence in C
      436 views
      8. More on escape sequence
    8. More on escape sequence
      90 views
      2.3: Operators (Practice Test)
      Operators in C
    1. Operators in C
      13 views
      2. Arithmatic Operators
    2. Arithmatic Operators
      346 views
      3. Compound Ari Thematic Assignment Operators
    3. Compound Ari Thematic Assignment Operators
      51 views
      4. Precedence of Operator from Top to bottom
    4. Precedence of Operator from Top to bottom
      282 views
      5. Assignment Operators
    5. Assignment Operators
      360 views
      6. Relational operators
    6. Relational operators
      306 views
      7. Logical Operators: NOT
    7. Logical Operators: NOT
      319 views
      8. Logical Operators: AND
    8. Logical Operators: AND
      282 views
      9. Logical Operators: OR
    9. Logical Operators: OR
      221 views
      10. Increment & Decrement Operators
    10. Increment & Decrement Operators
      123 views
      11. Post fix and Prefix Notation
    11. Post fix and Prefix Notation
      12 views
      2.4: Type Casting
      Typecasting In C Language
    1. Typecasting In C Language
      489 views
      2.5: Testing and Debugging (Practice Test)
      How To Identify Errors In Computer Program
    1. How To Identify Errors In Computer Program
      10 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

    Chapter 3 Loops ( 20 videos)  (Practice Test)

      3.1: Control Structure (Practice Test)
      What is Control Structure
    1. What is Control Structure
      865 views
      2. What is Repetition Structure
    2. What is Repetition Structure
      600 views
      3. Types of Loop
    3. Types of Loop
      1158 views
      3.2: 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
      3.3: 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. Problem solving using while loop
    4. Problem solving using while loop
      76 views
      5. Difference Between Counter-Controlled And Sentinel-Controlled Loops
    5. Difference Between Counter-Controlled And Sentinel-Controlled Loops
      3.4: Do While Loop (Practice Test)
      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. Program on Do.. While Loop
    3. Program on Do.. While Loop
      224 views
      4. Difference between while and Do while
    4. Difference between while and Do while
      208 views
      3.5: Nested Loop
      Nested Loop with example
    1. Nested Loop with example
      543 views
      2. Complex problem solving using nested loops
    2. Complex problem solving using nested loops
      69 views
      3.6: Use of Continue statement and Break Statement (Practice Test)
      Continue statement
    1. Continue statement
      236 views
      2. Break Statements In C
    2. Break Statements In C
      88 views

    Chapter 4 Choices and Decisions ( 17 videos)  (Practice Test)

      4.1: Decision Making / If statement (Practice Test)
      Why a Control Structure is important in Programming
    1. Why a Control Structure is important in Programming
      415 views
      2. Simple IF statement in C
    2. Simple IF statement in C
      725 views
      3. Introduction to if-else structure
    3. Introduction to if-else structure
      345 views
      4. if-else example problems
    4. if-else example problems
      411 views
      4.2: Nested IF (Practice Test)
      Nested if statement
    1. Nested if statement
      292 views
      2. Problem solving using nested if statement
    2. Problem solving using nested if statement
      55 views
      4.3: IF-ELSE-IF (Practice Test)
      if-else-if statements
    1. if-else-if statements
      31 views
      2. Comparison of nested if and sequence of ifs
    2. Comparison of nested if and sequence of ifs
      28 views
      3. Use Of Logical Operator
    3. Use Of Logical Operator
      135 views
      4.4: Switch (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
      4.5: Conditional Operator (Practice Test)
      Conditional operator alternative to if-else
    1. Conditional operator alternative to if-else
      191 views
      2. Comparison between if, case and conditional operators
    2. Comparison between if, case and conditional operators
      68 views
      4.6: Problems (Practice Test)
      Case Study
    1. Case Study
      13 views
      2. Problem solving 1
    2. Problem solving 1
      12 views
      3. Problem Solving 2
    3. Problem Solving 2
      12 views

    Chapter 5 Arrays and Strings ( 28 videos)  (Practice Test)

      5.1: Array (Practice Test)
      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
      4. Examples on Arrays
    4. Examples on Arrays
      194 views
      5. Defining an Array
    5. Defining an Array
      29 views
      6. How to declare an Array in a Program
    6. How to declare an Array in a Program
      136 views
      7. Accessing array index with examples
    7. Accessing array index with examples
      184 views
      8. Initialization of Array
    8. Initialization of Array
      100 views
      9. Fill array index with examples
    9. Fill array index with examples
      125 views
      10. Fill array with user input
    10. Fill array with user input
      259 views
      11. Dynamic Method Using Loop
    11. Dynamic Method Using Loop
      83 views
      12. Traversing An Array
    12. Traversing An Array
      2170 views
      5.2: Two Dimensional Array (Practice Test)
      Introduction To 2D Array
    1. Introduction To 2D Array
      91 views
      2. Defining 2D Array
    2. Defining 2D Array
      74 views
      3. Inializing 2D Array
    3. Inializing 2D Array
      85 views
      4. Accessing 2D-Array Index With Examples
    4. Accessing 2D-Array Index With Examples
      86 views
      5. Printing A 2D Array
    5. Printing A 2D Array
      54 views
      6. 2D Array Example
    6. 2D Array Example
      49 views
      5.3: String (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. More On Swapping Strings
    8. More On Swapping Strings
      33 views
      9. Example On Different String Functions
    9. Example On Different String Functions
      37 views
      10. Comparison Of 2 Strings
    10. Comparison Of 2 Strings
      37 views

    Chapter 6 Functions ( 18 videos)  (Practice Test)

      6.1: Function (Practice Test)
      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
      6.2: Types of Function (Practice Test)
      Built in functions
    1. Built in functions
      254 views
      2. User defined functions
    2. User defined functions
      122 views
      6.3: Parts of Function (Practice Test)
      Parts of Functions
    1. Parts of Functions
      107 views
      2. Signature of function
    2. Signature of function
      309 views
      6.4: Local and Global Variable (Practice Test)
      Scope of variable: Local variable
    1. Scope of variable: Local variable
      114 views
      2. Scope of variable: Global variable
    2. Scope of variable: Global variable
      91 views
      3. Scope of variable: Static variable
    3. Scope of variable: Static variable
      87 views
      6.5: Parameters (Practice Test)
      Formal and Actual parameters
    1. Formal and Actual parameters
      440 views
      2. Function without Argument
    2. Function without Argument
      3. Passing argument as variable
    3. Passing argument as variable
      98 views
      4. Passing argument as constant
    4. Passing argument as constant
      99 views
      5. Passing argument as reference
    5. Passing argument as reference
      87 views
      6. Default arguments
    6. Default arguments
      66 views
      7. Return staement
    7. Return staement
      52 views

    Chapter 7 File Management ( 15 videos)  (Practice Test)

      7.1: Introduction to file handling (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
      7.2: Pointer (Practice Test)
      Introduction To Pointer
    1. Introduction To Pointer
      154 views
      2. Memory Addresses
    2. Memory Addresses
      719 views
      3. Reference Operator
    3. Reference Operator
      251 views
      4. Dereference Operator
    4. Dereference Operator
      852 views
      5. Declaring Variable Of Pointer Type
    5. Declaring Variable Of Pointer Type
      129 views
      6. Pointer Initialization With Examples
    6. Pointer Initialization With Examples
      90 views
      7.3: File Access Modes (Practice Test)
      Opening A File
    1. Opening A File
      133 views
      2. Modes Of Opening A File
    2. Modes Of Opening A File
      115 views
      3. More On Modes Of Opening A File
    3. More On Modes Of Opening A File
      82 views
      7.4: Character Input/Output
      Reading/Writing Files Character By Character
    1. Reading/Writing Files Character By Character
      58 views
      7.5: String Input/Output
      Reading/Writing Files Using Strings
    1. Reading/Writing Files Using Strings
      62 views
      7.6: Formatted Input Output (Practice Test)
      Bof() Function
    1. Bof() Function
      89 views
      2. Eof() Function
    2. Eof() Function
      2294 views

    Chapter 8 Introduction to Database ( 30 videos)  (Practice Test)

      8.1: Traditional File Processing System (Practice Test)
      Data Managing
    1. Data Managing
      47 views
      2. Traditional File Management System: Record And File
    2. Traditional File Management System: Record And File
      536 views
      3. Data Handling in File Management System
    3. Data Handling in File Management System
      46 views
      8.2: Database (Practice Test)
      Introduction to Database
    1. Introduction to Database
      648 views
      2. More on Introduction to Database
    2. More on Introduction to Database
      31 views
      3. Objectives Of Database
    3. Objectives Of Database
      17 views
      8.3: Database Management System (Practice Test)
      The Database Management System
    1. The Database Management System
      328 views
      2. Objectives Of Dbms
    2. Objectives Of Dbms
      14 views
      3. Advantages Of Database System
    3. Advantages Of Database System
      673 views
      4. Disadvantages Of Database System
    4. Disadvantages Of Database System
      20 views
      5. Features Of Dbms
    5. Features Of Dbms
      14 views
      6. Rows,Tuples, Records
    6. Rows,Tuples, Records
      161 views
      8.4: Keys (Practice Test)
      Keys: Primary Key
    1. Keys: Primary Key
      170 views
      2. Composite Key
    2. Composite Key
      215 views
      3. Types Of Keys: Sort Key And Foreign Key
    3. Types Of Keys: Sort Key And Foreign Key
      20 views
      4. Types Of Keys: Super Key
    4. Types Of Keys: Super Key
      343 views
      8.5: Degree of a Relation
      Degree Of A Relationship
    1. Degree Of A Relationship
      166 views
      8.6: Cardinality of Relation (Practice Test)
      Cardinality Of A Relation
    1. Cardinality Of A Relation
      1515 views
      2. Modality: Optional
    2. Modality: Optional
      333 views
      8.7: ER Model (Practice Test)
      Entity Relationship Model: Entity, Attribute And Relationship
    1. Entity Relationship Model: Entity, Attribute And Relationship
      274 views
      2. E-R Diagram For Library Management System
    2. E-R Diagram For Library Management System
      14632 views
      3. E-R Diagram For School Management System
    3. E-R Diagram For School Management System
      9080 views
      4. E-R Diagram For Air Ticket Booking System
    4. E-R Diagram For Air Ticket Booking System
      2925 views
      8.8: Schema (Practice Test)
      Relational Schema
    1. Relational Schema
      507 views
      2. Transformation Of E-R Model Into Relational Schema
    2. Transformation Of E-R Model Into Relational Schema
      263 views
      8.9: Database Administrator (DBA)
      Database Administration ( Dba)
    1. Database Administration ( Dba)
      136 views
      8.10: Normalization (Practice Test)
      Overview Of Normalization
    1. Overview Of Normalization
      216 views
      2. Inf: First Normal Form
    2. Inf: First Normal Form
      262 views
      3. 2Nf: Second Normal Form
    3. 2Nf: Second Normal Form
      139 views
      4. 3Nf: Third Normal Form
    4. 3Nf: Third Normal Form
      104 views

    Chapter 9 Introduction to Access Database ( 6 videos)  (Practice Test)

      9.1: Introduction to Microsoft Access (Practice Test)
      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
      5. Ms-Access Window Description
    5. Ms-Access Window Description
      176 views
      9.2: Database Objects
      Database Objects: Table
    1. Database Objects: Table
      626 views

    Chapter 10 Working with table ( 15 videos)  (Practice Test)

      10.1: Introduction to Tables (Practice Test)
      Creating A New Table
    1. Creating A New Table
      136 views
      2. Characteristics Of Tables
    2. Characteristics Of Tables
      11 views
      10.2: Field datatypes available in MS Access
      Field Data Types Available In Access
    1. Field Data Types Available In Access
      74 views
      10.3: Field Properties (Practice Test)
      Field Properties In Design View 1
    1. Field Properties In Design View 1
      222 views
      2. Field Properties In Design View 2
    2. Field Properties In Design View 2
      127 views
      3. Field Properties In Design View 3
    3. Field Properties In Design View 3
      88 views
      4. Field Properties In Design View 4
    4. Field Properties In Design View 4
      65 views
      10.4: Indexing
      Creating A Primary Key In A Table
    1. Creating A Primary Key In A Table
      47 views
      10.5: Records
      Adding Modifying And Deleting Record
    1. Adding Modifying And Deleting Record
      40 views
      10.6: Finding Data in a table
      Finding And Replacing Data
    1. Finding And Replacing Data
      15 views
      10.7: Table Relationship
      Multiple Tables And Relationships
    1. Multiple Tables And Relationships
      127 views
      10.8: Referential Integrity (Practice Test)
      Referential Integrity
    1. Referential Integrity
      129 views
      2. Cascade Update Related Fields And Cascade Delete Rf
    2. Cascade Update Related Fields And Cascade Delete Rf
      14 views
      3. Constraints In Relational Database
    3. Constraints In Relational Database
      38 views
      10.9: Sorting
      The content is under development at the moment and will be updated soon.

    Chapter 11 Using Queries in Access ( 13 videos)  (Practice Test)

      11.1: Introduction to Queries (Practice Test)
      Introduction To Queries
    1. Introduction To Queries
      57 views
      2. Planning A Query
    2. Planning A Query
      28 views
      11.2: SQL
      Sql Commands
    1. Sql Commands
      11.3: Types of Queries
      Types Of Queries: Select Query, Action Query
    1. Types Of Queries: Select Query, Action Query
      2034 views
      11.4: Creating the Query : Using Query Design Command (Practice Test)
      Creating The Query: Using Query Design Command
    1. Creating The Query: Using Query Design Command
      358 views
      2. Using Simple Query Wizard
    2. Using Simple Query Wizard
      31 views
      3. Selecting Records By Criteria
    3. Selecting Records By Criteria
      22 views
      4. Finding Duplicate Queries
    4. Finding Duplicate Queries
      9 views
      5. Performance Calculation In A Query
    5. Performance Calculation In A Query
      14 views
      6. Creating An Update Query
    6. Creating An Update Query
      18 views
      7. Creating A Delete Query
    7. Creating A Delete Query
      14 views
      8. Creating An Append Query
    8. Creating An Append Query
      22 views
      9. Creating A Make Table Query
    9. Creating A Make Table Query
      24 views

    Chapter 12 Using forms in Access ( 9 videos)  (Practice Test)

      12.1: Forms (Practice Test)
      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
      3. Adding A Logo
    3. Adding A Logo
      29 views
      4. Creating Form In A Design View
    4. Creating Form In A Design View
      59 views
      5. Adding Records Using A Form
    5. Adding Records Using A Form
      12 views
      6. Making Subforums In Access
    6. Making Subforums In Access
      84 views
      7. Form Appearance: Page Header And Footer
    7. Form Appearance: Page Header And Footer
      373 views
      8. Using Form Controls In Ms Access
    8. Using Form Controls In Ms Access
      41 views
      9. More On Using Form Control In Ms Access
    9. More On Using Form Control In Ms Access

    Chapter 13 Creating Reports in Access ( 9 videos)  (Practice Test)

      13.1: Reports (Practice Test)
      Purpose Of Reports In Database
    1. Purpose Of Reports In Database
      48 views
      2. Creating Reports Using Report Wizard
    2. Creating Reports Using Report Wizard
      112 views
      3. Formatting Forms And Reports
    3. Formatting Forms And Reports
      30 views
      4. Conditional Formatting
    4. Conditional Formatting
      19 views
      5. Saving And Printing Reports
    5. Saving And Printing Reports
      13 views
      6. Linking
    6. Linking
      8 views
      7. Creating A Switchboard In Access
    7. Creating A Switchboard In Access
      14 views
      8. Creating Reports Using Query
    8. Creating Reports Using Query
      37 views
      9. Keyboard Shortcuts In Ms-Access
    9. Keyboard Shortcuts In Ms-Access
      31 views