Computer Science | Class 12

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    Chapter 1 Data Basics ( 15 videos)  (Practice Test)

      1.1: Overview (Practice Test)
      Difference Between Data And Information
    1. Difference Between Data And Information
      617 views
      2. Data Managing
    2. Data Managing
      47 views
      1.2: Traditional File System (Practice Test)
      Traditional File Management System: Record And File
    1. Traditional File Management System: Record And File
      536 views
      2. Types Of Files: Usage Point Of View
    2. Types Of Files: Usage Point Of View
      21 views
      3. Types Of Files: Functional Point Of View
    3. Types Of Files: Functional Point Of View
      19 views
      4. Types Of Files: Storage Point Of View ( File Organization)
    4. Types Of Files: Storage Point Of View ( File Organization)
      17 views
      1.3: Databases (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
      4. Types Of Database Model: Hierarchical Model
    4. Types Of Database Model: Hierarchical Model
      346 views
      1.4: 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

    Chapter 2 Basic Concepts and Terminology of Databases ( 11 videos)  (Practice Test)

      2.1: Overview (Practice Test)
      Rows,Tuples, Records
    1. Rows,Tuples, Records
      161 views
      2. Data Handling in File Management System
    2. Data Handling in File Management System
      46 views
      2.2: Attributes, Rows and Tables (Practice Test)
      Relation And Table
    1. Relation And Table
      114 views
      2. Properties Of Relation
    2. Properties Of Relation
      2.3: Views
      Views
    1. Views
      231 views
      2.4: 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
      2.5: User
      End User In Database
    1. End User In Database
      14 views
      2.6: The Database Administrator
      Database Administration ( Dba)
    1. Database Administration ( Dba)
      136 views

    Chapter 3 Database Design Process ( 11 videos)  (Practice Test)

      3.1: Overview (Practice Test)
      Data Analysis
    1. Data Analysis
      30 views
      2. Planning A Database
    2. Planning A Database
      420 views
      3.2: Data Modeling (Practice Test)
      Data Modeling: Main Ingredients: Entity And Object
    1. Data Modeling: Main Ingredients: Entity And Object
      368 views
      2. Entity Relationship Model: Entity, Attribute And Relationship
    2. Entity Relationship Model: Entity, Attribute And Relationship
      274 views
      3. Cardinality Of A Relation
    3. Cardinality Of A Relation
      1515 views
      4. Modality: Optional
    4. Modality: Optional
      333 views
      3.3: Database Design (Practice Test)
      Database Design: Database Development Process
    1. Database Design: Database Development Process
      568 views
      2. Conceptual And Logical Database Design: Represent Entities
    2. Conceptual And Logical Database Design: Represent Entities
      45 views
      3. Physical Database Design
    3. Physical Database Design
      51 views
      4. File Organization
    4. File Organization
      17 views
      3.4: Implementation
      Database Implantation Phase
    1. Database Implantation Phase
      21 views

    Chapter 4 Data Integrity and Normalization ( 5 videos)  (Practice Test)

      4.1: Data Integrity
      Overview Of Data Integrity
    1. Overview Of Data Integrity
      26 views
      4.2: 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 5 Introduction to Microsoft Access ( 6 videos)  (Practice Test)

      5.1: Overview of MS 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
      5.2: MS-Access Application Window
      Ms-Access Window Description
    1. Ms-Access Window Description
      176 views
      5.3: Database Objects
      Database Objects: Table
    1. Database Objects: Table
      626 views

    Chapter 6 Table and Query ( 20 videos)  (Practice Test)

      6.1: Overview (Practice Test)
      Characteristics Of Tables
    1. Characteristics Of Tables
      11 views
      2. Degree Of A Relationship
    2. Degree Of A Relationship
      166 views
      6.2: Table Creation (Practice Test)
      Creating A New Table
    1. Creating A New Table
      136 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
      6.3: Modifying a Table (Practice Test)
      Creating A Primary Key In A Table
    1. Creating A Primary Key In A Table
      47 views
      2. Adding Modifying And Deleting Record
    2. Adding Modifying And Deleting Record
      40 views
      3. Finding And Replacing Data
    3. Finding And Replacing Data
      15 views
      6.4: Table Relationship (Practice Test)
      Multiple Tables And Relationships
    1. Multiple Tables And Relationships
      127 views
      2. Referential Integrity
    2. Referential Integrity
      129 views
      3. Cascade Update Related Fields And Cascade Delete Rf
    3. Cascade Update Related Fields And Cascade Delete Rf
      14 views
      6.5: Introduction to Queries (Practice Test)
      Introduction To Queries
    1. Introduction To Queries
      57 views
      2. Types Of Queries: Select Query, Action Query
    2. Types Of Queries: Select Query, Action Query
      2034 views
      3. Creating The Query: Using Query Design Command
    3. Creating The Query: Using Query Design Command
      358 views
      4. Using Simple Query Wizard
    4. Using Simple Query Wizard
      31 views
      5. Selecting Records By Criteria
    5. Selecting Records By Criteria
      22 views
      6. Finding Duplicate Queries
    6. Finding Duplicate Queries
      9 views
      7. Performance Calculation In A Query
    7. Performance Calculation In A Query
      14 views

    Chapter 7 Microsoft Access-Forms and Reports ( 16 videos)  (Practice Test)

      7.1: Overview (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. Creating Form In A Design View
    3. Creating Form In A Design View
      59 views
      7.2: Adding Records Using a Form (Practice Test)
      Adding Records Using A Form
    1. Adding Records Using A Form
      12 views
      2. Form Appearance: Page Header And Footer
    2. Form Appearance: Page Header And Footer
      373 views
      7.3: Check Boxes and Radio Buttons
      Using Form Controls In Ms Access
    1. Using Form Controls In Ms Access
      41 views
      7.4: Subform
      Making Subforums In Access
    1. Making Subforums In Access
      84 views
      7.5: Reports (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
      7.6: Linking
      Linking
    1. Linking
      8 views
      7.7: Creating a Switch Board in Access
      Creating A Switchboard In Access
    1. Creating A Switchboard In Access
      14 views
      7.8: Keyboard Shortcuts
      Keyboard Shortcuts In Ms-Access
    1. Keyboard Shortcuts In Ms-Access
      31 views

    Chapter 8 Getting Started with C ( 18 videos)  (Practice Test)

      8.1: Overview (Practice Test)
      Computer Program
    1. Computer Program
      1590 views
      2. Brief History Of C
    2. Brief History Of C
      34 views
      8.2: Developing a C Program ( A Stepwise Apporach)
      A Simple C Program
    1. A Simple C Program
      394 views
      8.3: Basic Structure of a C Program (Practice Test)
      Understanding Of Integrated Development Environment: Ide
    1. Understanding Of Integrated Development Environment: Ide
      514 views
      2. How To Create Environment Before Writing A Computer Program
    2. How To Create Environment Before Writing A Computer Program
      330 views
      3. Compiler-Turbo C++ (Creating, Saving, Editing)
    3. Compiler-Turbo C++ (Creating, Saving, Editing)
      28 views
      4. Compiling, Linking And Executing A Program
    4. Compiling, Linking And Executing A Program
      19 views
      5. Setting The Output And Source Directories
    5. Setting The Output And Source Directories
      24 views
      6. Pre-Processor Directives
    6. Pre-Processor Directives
      545 views
      7. Comments And Terminator Statements
    7. Comments And Terminator Statements
      412 views
      8. Printf Function In C
    8. Printf Function In C
      758 views
      8.4: Common Programming Errors (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
      8.5: Programming Languages (Practice Test)
      Programming Languages: An Overview
    1. Programming Languages: An Overview
      1084 views
      2. Characteristics Of High Level Languages
    2. Characteristics Of High Level Languages
      1061 views
      3. Procedural Languages
    3. Procedural Languages
      1639 views

    Chapter 9 Elements of C ( 23 videos)  (Practice Test)

      9.1: Overview
      Identifiers Used In C Language: Standard And User Defined Identifiers
    1. Identifiers Used In C Language: Standard And User Defined Identifiers
      27 views
      9.2: Keywords
      Reserved Words In C
    1. Reserved Words In C
      484 views
      9.3: Variables (Practice Test)
      The Concept Of Variable
    1. The Concept Of Variable
      324 views
      2. Declaration Of Variable
    2. Declaration Of Variable
      23 views
      3. Rules For Naming Variable
    3. Rules For Naming Variable
      470 views
      9.4: Constants (Practice Test)
      What Are Constants
    1. What Are Constants
      475 views
      2. Computer Program To Illustrate Constants
    2. Computer Program To Illustrate Constants
      311 views
      9.5: DataType
      Datatypes In C
    1. Datatypes In C
      398 views
      9.6: Operators in C (Practice Test)
      What Are Operators
    1. What Are Operators
      13 views
      2. Operators In C
    2. Operators In C
      13 views
      3. Arithmetic Operators
    3. Arithmetic Operators
      346 views
      4. Relational Operators
    4. Relational Operators
      306 views
      5. Logical Operators: Not
    5. Logical Operators: Not
      319 views
      6. Logical Operators: And
    6. Logical Operators: And
      282 views
      7. Logical Operators: Or
    7. Logical Operators: Or
      221 views
      8. Assignment Operators
    8. Assignment Operators
      360 views
      9. Difference Between Assignment Operator And 'Equal To' Operator
    9. Difference Between Assignment Operator And 'Equal To' Operator
      1110 views
      10. Increment & Decrement Operators
    10. Increment & Decrement Operators
      123 views
      11. Compound Ari Thematic Assignment Operators
    11. Compound Ari Thematic Assignment Operators
      51 views
      12. Precedence Of Operator From Top To Bottom
    12. Precedence Of Operator From Top To Bottom
      282 views
      9.7: Expression (Practice Test)
      Expressions In C++
    1. Expressions In C++
      111 views
      2. Working With Division Operator
    2. Working With Division Operator
      160 views
      9.8: Comments
      Comments And Terminator Statements
    1. Comments And Terminator Statements
      412 views

    Chapter 10 Input/Output ( 8 videos)  (Practice Test)

      10.1: Overview (Practice Test)
      Printf Function In C
    1. Printf Function In C
      758 views
      2. Format Specifier
    2. Format Specifier
      1086 views
      3. Field Width Specifier
    3. Field Width Specifier
      15 views
      4. Formatting Floating Point Numbers
    4. Formatting Floating Point Numbers
      16 views
      5. Escape Sequence In C
    5. Escape Sequence In C
      436 views
      10.2: Scanf Function (Practice Test)
      Scanf Function In C
    1. Scanf Function In C
      431 views
      2. Character Input In C
    2. Character Input In C
      17 views
      3. Difference Between Getch() And Getche() Function
    3. Difference Between Getch() And Getche() Function
      1791 views

    Chapter 11 Decision Constructs ( 16 videos)  (Practice Test)

      11.1: Overview (Practice Test)
      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
      11.2: IF Statement (Practice Test)
      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. Nested If Statement
    3. Nested If Statement
      292 views
      4. Problem Solving Using Nested If Statement
    4. Problem Solving Using Nested If Statement
      55 views
      5. If-Else-If Statements
    5. If-Else-If Statements
      31 views
      6. Comparison Of Nested If And Sequence Of Ifs
    6. Comparison Of Nested If And Sequence Of Ifs
      28 views
      11.3: Use of Logical Operators
      Use Of Logical Operator
    1. Use Of Logical Operator
      135 views
      11.4: 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
      11.5: Conditional Operator (Practice Test)
      Conditional Operator Alternative To If-Else
    1. Conditional Operator Alternative To If-Else
      191 views
      2. Case Study
    2. Case Study
      13 views

    Chapter 12 Loop Constructs ( 14 videos)  (Practice Test)

      12.1: Overview (Practice Test)
      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
      12.2: While Statement (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
      12.3: 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
      12.4: Nested Loop (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. Complex Problem Solving Using Nested Loops
    3. Complex Problem Solving Using Nested Loops
      69 views
      12.5: GOTO Statement
      Goto Statement
    1. Goto Statement
      7 views

    Chapter 13 Functions in C ( 7 videos)  (Practice Test)

      13.1: Overview (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
      13.2: Types of Function (Practice Test)
      Built In Functions
    1. Built In Functions
      254 views
      2. User Defined Functions
    2. User Defined Functions
      122 views
      13.3: Writing Functions in C
      Parts Of Functions
    1. Parts Of Functions
      107 views
      13.4: Local Variables and their Scope
      Scope Of Variable: Local Variable
    1. Scope Of Variable: Local Variable
      114 views
      13.5: Global Variables and their Scope
      Scope Of Variable: Global Variable
    1. Scope Of Variable: Global Variable
      91 views

    Chapter 14 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