Computer Science | Class 9

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    Chapter 1 Fundamentals of Computer (52 videos) (Practice Test)

      1.1: Introduction to Computer (Practice Test)
      What is Computer?
    1. What is Computer?
      7223 views
      2. A Quick Review of History
    2. A Quick Review of History
      1822 views
      3. Generations of Computer: An Overview
    3. Generations of Computer: An Overview
      1405 views
      4. Ist Generation of Computer
    4. Ist Generation of Computer
      1844 views
      5. 2nd Generation of Computer
    5. 2nd Generation of Computer
      1986 views
      6. 3rd Generation of Computer
    6. 3rd Generation of Computer
      1387 views
      7. 4rth Generation of Computer
    7. 4rth Generation of Computer
      1977 views
      8. 5th Generation of Computer
    8. 5th Generation of Computer
      2518 views
      9. Types of Computer w.r.t Working
    9. Types of Computer w.r.t Working
      1277 views
      10. Types of Computer w.r.t Size, Speed and efficiency
    10. Types of Computer w.r.t Size, Speed and efficiency
      1293 views
      1.2: Role of the Computer (Practice Test)
      Applications of Computers in Education
    1. Applications of Computers in Education
      7497 views
      2. The Scope of Career in IT
    2. The Scope of Career in IT
      298 views
      1.3: Computer Hardware (Practice Test)
      What is Computer Hardware
    1. What is Computer Hardware
      1255 views
      2. I/O Hardware: Input Output Devices
    2. I/O Hardware: Input Output Devices
      1921 views
      3. Keyboard
    3. Keyboard
      473 views
      4. mouse
    4. mouse
      282 views
      5. Joy Stick
    5. Joy Stick
      239 views
      6. touch screen
    6. touch screen
      112 views
      7. Light Pen
    7. Light Pen
      2834 views
      8. digital camera
    8. digital camera
      215 views
      9. Scanners and Its types
    9. Scanners and Its types
      242 views
      10. microphone
    10. microphone
      178 views
      11. Barcode and QR readers
    11. Barcode and QR readers
      126 views
      12. A System Unit: Desktop and Tower Casing
    12. A System Unit: Desktop and Tower Casing
      941 views
      13. Mother board
    13. Mother board
      205 views
      14. Processing Hardware: CPU
    14. Processing Hardware: CPU
      582 views
      15. Storage Hardware: Memory
    15. Storage Hardware: Memory
      622 views
      16. Hard Disk
    16. Hard Disk
      1327 views
      17. CD ( Compact Disk)
    17. CD ( Compact Disk)
      3356 views
      18. Flash Memory Cards
    18. Flash Memory Cards
      286 views
      19. Monitors
    19. Monitors
      366 views
      20. Printers and Its types
    20. Printers and Its types
      758 views
      21. Plotter
    21. Plotter
      287 views
      22. Speakers
    22. Speakers
      94 views
      23. Multimedia Projector
    23. Multimedia Projector
      63 views
      24. Computer Memory : Why it is necessary for Computer
    24. Computer Memory : Why it is necessary for Computer
      562 views
      25. RAM: Random Access Memory
    25. RAM: Random Access Memory
      691 views
      26. ROM: Read Only Memory
    26. ROM: Read Only Memory
      652 views
      27. Cache and its Types
    27. Cache and its Types
      618 views
      28. Units of Computer Memory
    28. Units of Computer Memory
      600 views
      29. Ports and Types
    29. Ports and Types
      610 views
      30. Expansion Slots Types
    30. Expansion Slots Types
      4392 views
      31. Types of Expansion Cards
    31. Types of Expansion Cards
      2761 views
      1.4: How a Computer Works? (Practice Test)
      How a Computer Works
    1. How a Computer Works
      159 views
      2. Basic Operations of Computer
    2. Basic Operations of Computer
      3925 views
      1.5: Computer Software (Practice Test)
      Types of Software
    1. Types of Software
      1769 views
      2. Types of System Software
    2. Types of System Software
      7455 views
      3. Types of Application Software
    3. Types of Application Software
      4324 views
      4. Productivity Software
    4. Productivity Software
      1396 views
      5. Business and Entertainment Application Software
    5. Business and Entertainment Application Software
      351 views
      6. Educational Application Software
    6. Educational Application Software
      1640 views
      7. Hardware vs Software
    7. Hardware vs Software
      847 views

    Chapter 2 Fundamentals of Operating System (14 videos) (Practice Test)

      2.1: Introduction to Operating System (Practice Test)
      The Concept of Operating System
    1. The Concept of Operating System
      3421 views
      2. Objectives of Operating System
    2. Objectives of Operating System
      3513 views
      3. Functions of Operating System
    3. Functions of Operating System
      14403 views
      2.2: Common types of Operating System interfaces (Practice Test)
      Command Line User Interface
    1. Command Line User Interface
      743 views
      2. Menu Driven Interface
    2. Menu Driven Interface
      1306 views
      3. Graphical User Interface
    3. Graphical User Interface
      1354 views
      2.3: Types of Operating System (Practice Test)
      Classification w.r.t Users
    1. Classification w.r.t Users
      377 views
      2. Batch Processing Operating System
    2. Batch Processing Operating System
      10918 views
      3. Time Sharing Operating System
    3. Time Sharing Operating System
      13476 views
      4. Real Time Operating System
    4. Real Time Operating System
      1879 views
      2.4: Getting Started with GUI OS (Practice Test)
      Getting Started with GUI: Basic Icons
    1. Getting Started with GUI: Basic Icons
      442 views
      2. GUI Management
    2. GUI Management
      123 views
      2.5: System Installation (Practice Test)
      Windows 7 Installation 1
    1. Windows 7 Installation 1
      212 views
      2. Windows 7 Installation 2
    2. Windows 7 Installation 2
      191 views

    Chapter 3 Office Automation (43 videos) (Practice Test)

      3.1: Office Automation (Practice Test)
      Installation of MS Office
    1. Installation of MS Office
      359 views
      2. What is Word Processing
    2. What is Word Processing
      30326 views
      3. Word Window overview
    3. Word Window overview
      321 views
      4. Manage a word document
    4. Manage a word document
      296 views
      5. Editing text: Inserting and selecting
    5. Editing text: Inserting and selecting
      282 views
      6. Editing text: Cut, Copy, paste and delete
    6. Editing text: Cut, Copy, paste and delete
      465 views
      7. Inserting symbols in a document
    7. Inserting symbols in a document
      96 views
      8. Use of Equation Editor: Write equation
    8. Use of Equation Editor: Write equation
      109 views
      9. Text Formatting: Font size, style and color
    9. Text Formatting: Font size, style and color
      278 views
      10. Text Formatting: Modify text and text case
    10. Text Formatting: Modify text and text case
      132 views
      11. Paragraph Formatting: Alignment and indent
    11. Paragraph Formatting: Alignment and indent
      351 views
      12. Paragraph Formatting: Border, Shading and spacing
    12. Paragraph Formatting: Border, Shading and spacing
      204 views
      13. Page Formatting: Orientation, size and columns
    13. Page Formatting: Orientation, size and columns
      124 views
      14. Page Formatting: Border and color
    14. Page Formatting: Border and color
      104 views
      15. Page Formatting: Insert cover and blank page
    15. Page Formatting: Insert cover and blank page
      104 views
      16. Insert page break and section break
    16. Insert page break and section break
      723 views
      17. Insert header, footer and page number
    17. Insert header, footer and page number
      142 views
      18. Insert/Position image and clip art
    18. Insert/Position image and clip art
      86 views
      19. Insert and delete word art
    19. Insert and delete word art
      820 views
      20. Insert table, add/delete row and column
    20. Insert table, add/delete row and column
      196 views
      21. Resize rows and columns
    21. Resize rows and columns
      188 views
      22. Border settings in tables
    22. Border settings in tables
      136 views
      23. Shading settings in tables
    23. Shading settings in tables
      93 views
      24. Merge and split cells in tables
    24. Merge and split cells in tables
      2356 views
      25. Use of Hyperlink in MS word
    25. Use of Hyperlink in MS word
      196 views
      3.2: Spreadsheet (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
      4. Creating workbook, naming and working with cells and sheets
    4. Creating workbook, naming and working with cells and sheets
      80 views
      5. Filling columns and rows
    5. Filling columns and rows
      79 views
      6. Addressing cells
    6. Addressing cells
      89 views
      7. Paste cell content
    7. Paste cell content
      82 views
      8. Working with formulas
    8. Working with formulas
      196 views
      9. Working with functions
    9. Working with functions
      281 views
      10. More on working with fuctions
    10. More on working with fuctions
      69 views
      11. Representing data graphically
    11. Representing data graphically
      79 views
      12. Manipulate data: Filtering cells
    12. Manipulate data: Filtering cells
      77 views
      13. Manipulate data: Data validation
    13. Manipulate data: Data validation
      86 views
      14. Format data: Conditional formatting
    14. Format data: Conditional formatting
      88 views
      15. Workbook protection
    15. Workbook protection
      66 views
      3.3: Urdu Editor (Practice Test)
      What is Urdu Editor
    1. What is Urdu Editor
      170 views
      2. Using Inpage Urdu Editor
    2. Using Inpage Urdu Editor
      120 views
      3. More on using Inpage Urdu Editor
    3. More on using Inpage Urdu Editor
      138 views

    Chapter 4 Data Communication (22 videos) (Practice Test)

      4.1: Data Communication (Practice Test)
      What is data communication
    1. What is data communication
      560 views
      2. Data communication terminologies
    2. Data communication terminologies
      892 views
      3. Properties of Good communication System
    3. Properties of Good communication System
      282 views
      4. Asynchoronous Transmission
    4. Asynchoronous Transmission
      368 views
      5. Comparison between Synchoronous and Asynchronous
    5. Comparison between Synchoronous and Asynchronous
      229 views
      4.2: Transmission Media (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
      4. Wireless media: Radio waves and Infrared
    4. Wireless media: Radio waves and Infrared
      584 views
      5. Wireless media: Microwave Transmission
    5. Wireless media: Microwave Transmission
      407 views
      6. Satellite Communication
    6. Satellite Communication
      391 views
      7. Short distance Wireless technologies
    7. Short distance Wireless technologies
      423 views
      8. How noise affect communication quality: Cross Talk
    8. How noise affect communication quality: Cross Talk
      693 views
      9. attenuation and distortions
    9. attenuation and distortions
      824 views
      4.3: Communication Devices (Practice Test)
      Dial-Up Modem
    1. Dial-Up Modem
      3393 views
      2. Network Interface Card
    2. Network Interface Card
      920 views
      3. Router
    3. Router
      294 views
      4. Switch/Access Point
    4. Switch/Access Point
      556 views
      4.4: Communication Terminologies (Practice Test)
      Data Rate , Baud Rate
    1. Data Rate , Baud Rate
      2686 views
      2. How to calculate baud rate
    2. How to calculate baud rate
      6053 views
      3. What is Bandwidth
    3. What is Bandwidth
      4010 views
      4. SNR: Sound to Noise Ratio
    4. SNR: Sound to Noise Ratio
      275 views

    Chapter 5 Computer Networks (13 videos) (Practice Test)

      5.1: Computer Netwrok (Practice Test)
      What is Computer Network
    1. What is Computer Network
      1414 views
      2. Advantages and Disadvantages of Network
    2. Advantages and Disadvantages of Network
      2823 views
      3. Transmission modes of Computer Network
    3. Transmission modes of Computer Network
      397 views
      4. Client Server Network
    4. Client Server Network
      10788 views
      5. Peer to Peer to Network
    5. Peer to Peer to Network
      895 views
      6. Point to Point Network
    6. Point to Point Network
      9552 views
      5.2: Types of Networks (Practice Test)
      Types of Networking w.r.t Area: LAN, WAN, MAN
    1. Types of Networking w.r.t Area: LAN, WAN, MAN
      367 views
      2. What is Network Topology
    2. What is Network Topology
      609 views
      5.3: Commuinication over the Netwroks (Practice Test)
      Dial-Up Line
    1. Dial-Up Line
      8236 views
      2. DSL
    2. DSL
      558 views
      3. ISDN
    3. ISDN
      1733 views
      4. CDMA technology
    4. CDMA technology
      342 views
      5. Comparison between Data Communication Lines
    5. Comparison between Data Communication Lines
      96 views

    Chapter 6 Computer Security and Ethics (15 videos) (Practice Test)

      6.1: Computer Security (Practice Test)
      What is Information security
    1. What is Information security
      83 views
      6.2: Computer Viruses (Practice Test)
      Information security Terminologies
    1. Information security Terminologies
      267 views
      2. Privacy issues and hacking
    2. Privacy issues and hacking
      382 views
      3. Computer Virus : What is Virus and How it Spread
    3. Computer Virus : What is Virus and How it Spread
      433 views
      4. Worm , Adware , Spyware , Malware
    4. Worm , Adware , Spyware , Malware
      152 views
      6.3: Authentication Mechanism (Practice Test)
      Symptoms of Virus Attack
    1. Symptoms of Virus Attack
      390 views
      2. Malware protection
    2. Malware protection
      91 views
      3. Downloading and Installation of Antivrus
    3. Downloading and Installation of Antivrus
      171 views
      6.4: Computer Ethics (Practice Test)
      Authorized access and Unauthorized Access
    1. Authorized access and Unauthorized Access
      9663 views
      2. Difference between Authorization and Aunthentication
    2. Difference between Authorization and Aunthentication
      99 views
      3. Authentication Methodologies: Password and Pin Number
    3. Authentication Methodologies: Password and Pin Number
      450 views
      4. Access Card and Biometrics
    4. Access Card and Biometrics
      79 views
      5. Multi Model Aunthentication
    5. Multi Model Aunthentication
      67 views
      6. Guidelines for Use of Computer
    6. Guidelines for Use of Computer
      103 views
      7. Areas of Computer Ethics: Information Accuracy
    7. Areas of Computer Ethics: Information Accuracy
      502 views