Computer Science | Class 8

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    Chapter 1 Networks and Communication (15 videos) (Practice Test)

      1.1: Computer Network (Practice Test)
      What is Computer Network
    1. What is Computer Network
      1414 views
      2. What is Internet
    2. What is Internet
      369 views
      3. Applications of Internet
    3. Applications of Internet
      6844 views
      1.2: Components of communication system (Practice Test)
      Components of communication System
    1. Components of communication System
      224 views
      2. Difference between Client and Server
    2. Difference between Client and Server
      5494 views
      3. Types of Networking w.r.t Area: LAN, WAN, MAN
    3. Types of Networking w.r.t Area: LAN, WAN, MAN
      367 views
      1.3: Communication mediam (Practice Test)
      STP: Ethernet: Twisted Pair Cable
    1. STP: Ethernet: Twisted Pair Cable
      797 views
      2. Co-axial Cable
    2. Co-axial Cable
      308 views
      3. Optical Fibers
    3. Optical Fibers
      566 views
      1.4: Cutting Edge technologies (Practice Test)
      Global Positioning System
    1. Global Positioning System
      244 views
      2. Bluetooth Network
    2. Bluetooth Network
      150 views
      1.5: Mobile device communication (Practice Test)
      Introduction to Mobile device Communication
    1. Introduction to Mobile device Communication
      143 views
      2. Satellite Communication
    2. Satellite Communication
      391 views
      3. Dial-Up Modem
    3. Dial-Up Modem
      3393 views
      4. Network Interface Card
    4. Network Interface Card
      920 views

    Chapter 2 Computer Security Threats (9 videos) (Practice Test)

      2.1: Information security (Practice Test)
      What is Information security
    1. What is Information security
      83 views
      2. Information security Terminologies
    2. Information security Terminologies
      267 views
      2.2: Computer Virus (Practice Test)
      Computer Virus : What is Virus and How it Spread
    1. Computer Virus : What is Virus and How it Spread
      433 views
      2. Worm , Adware , Spyware , Malware
    2. Worm , Adware , Spyware , Malware
      152 views
      3. Virus definations
    3. Virus definations
      4. Types of Virus
    4. Types of Virus
      28 views
      5. Hacker and Cracker
    5. Hacker and Cracker
      1296 views
      6. How to Protect from Viruses
    6. How to Protect from Viruses
      16 views
      7. Downloading and Installation of Antivrus
    7. Downloading and Installation of Antivrus
      171 views

    Chapter 3 Spreadsheets in Excel (11 videos) (Practice Test)

      3.1: Spreadsheet in Excel (Practice Test)
      Basics of Spreadsheet
    1. Basics of Spreadsheet
      587 views
      2. Excel window
    2. Excel window
      97 views
      3. Microsoft Excel terminology
    3. Microsoft Excel terminology
      237 views
      3.2: Creating Workbook (Practice Test)
      Creating workbook, naming and working with cells and sheets
    1. Creating workbook, naming and working with cells and sheets
      80 views
      2. Filling columns and rows
    2. Filling columns and rows
      79 views
      3. Addressing cells
    3. Addressing cells
      89 views
      4. Paste cell content
    4. Paste cell content
      82 views
      3.3: Functions and Graphs (Practice Test)
      Working with formulas
    1. Working with formulas
      196 views
      2. Working with functions
    2. Working with functions
      281 views
      3. More on working with fuctions
    3. More on working with fuctions
      69 views
      4. Representing data graphically
    4. Representing data graphically
      79 views

    Chapter 4 Problem Solving (10 videos) (Practice Test)

      4.1: Introduction to Problem Solving (Practice Test)
      Introduction to problem solving
    1. Introduction to problem solving
      1908 views
      2. Problem solving method
    2. Problem solving method
      4745 views
      4.2: Flowchart (Practice Test)
      What is a Flow chart
    1. What is a Flow chart
      1061 views
      2. Basic Componets to design a Flow Chart
    2. Basic Componets 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

    Chapter 5 Computer Programming (20 videos) (Practice Test)

      5.1: Computer Programming (Practice Test)
      What is Computer Programming
    1. What is Computer Programming
      83 views
      2. Generations on Computer Languages
    2. Generations on Computer Languages
      464 views
      5.2: Constants and Variables (Practice Test)
      What are Constants
    1. What are Constants
      475 views
      2. The Concept of Variable
    2. The Concept of Variable
      324 views
      3. Rules for naming variable
    3. Rules for naming variable
      470 views
      5.3: Errors in Computer Program (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
      5.4: Operators (Practice Test)
      Arithmatic Operators
    1. Arithmatic Operators
      346 views
      2. Relational operators
    2. Relational operators
      306 views
      3. Logical Operators: NOT
    3. Logical Operators: NOT
      319 views
      4. Logical Operators: AND
    4. Logical Operators: AND
      282 views
      5. Logical Operators: OR
    5. Logical Operators: OR
      221 views
      6. Conditional Operators
    6. Conditional Operators
      7 views
      7. Unary, Binary and Tenary operators
    7. Unary, Binary and Tenary operators
      323 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 Arithematic Assignment operators
    11. Compound Arithematic Assignment operators
      51 views