Computer Science | Class 11

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    Chapter 1 Basics of Information Technology (55 videos) (Practice Test)

      1.1: Overview (Practice Test)
      What is Information technology
    1. What is Information technology
      133 views
      2. IT Revolution
    2. IT Revolution
      53 views
      1.2: Hardware and Software (Practice Test)
      What is Computer Hardware
    1. What is Computer Hardware
      1255 views
      2. Types of Software
    2. Types of Software
      1769 views
      3. Hardware vs Software
    3. Hardware vs Software
      847 views
      4. Software terminologies
    4. Software terminologies
      846 views
      1.3: Input and Output Devices (Practice Test)
      I/O Hardware: Input Output Devices
    1. I/O Hardware: Input Output Devices
      1921 views
      2. Keyboard
    2. Keyboard
      473 views
      3. mouse
    3. mouse
      282 views
      4. track Ball
    4. track Ball
      459 views
      5. Joy Stick
    5. Joy Stick
      239 views
      6. touch Pad
    6. touch Pad
      96 views
      7. touch screen
    7. touch screen
      112 views
      8. Light Pen
    8. Light Pen
      2834 views
      9. Graphic Tablet
    9. Graphic Tablet
      27 views
      10. Source Data-Entry Devices
    10. Source Data-Entry Devices
      47 views
      11. Scanners and Its types
    11. Scanners and Its types
      242 views
      12. More on Scanners
    12. More on Scanners
      142 views
      13. Barcode and QR readers
    13. Barcode and QR readers
      126 views
      14. Megnetic ink character recognition System: MICR
    14. Megnetic ink character recognition System: MICR
      130 views
      15. Optical recognition System
    15. Optical recognition System
      242 views
      16. Magnetic Stripe card reader
    16. Magnetic Stripe card reader
      685 views
      17. Smart Card
    17. Smart Card
      159 views
      18. Fax Machine
    18. Fax Machine
      20 views
      19. Imaging System
    19. Imaging System
      42 views
      20. microphone
    20. microphone
      178 views
      21. digital camera
    21. digital camera
      215 views
      22. Video Input Devices
    22. Video Input Devices
      19 views
      23. Difference between Soft copy and Hard Copy
    23. Difference between Soft copy and Hard Copy
      3264 views
      24. Screen resolution
    24. Screen resolution
      125 views
      25. Video Display Adapters
    25. Video Display Adapters
      27 views
      26. Monitors
    26. Monitors
      366 views
      27. Printers and Its types
    27. Printers and Its types
      758 views
      28. Plotter
    28. Plotter
      287 views
      29. Speakers
    29. Speakers
      94 views
      1.4: System Software vs Application Software (Practice Test)
      Types of Software
    1. Types of Software
      1769 views
      1.5: Basics Units of Data Storage (Practice Test)
      Memory terminologies
    1. Memory terminologies
      651 views
      2. Units of Computer Memory
    2. Units of Computer Memory
      600 views
      3. Examples on Unit Conversion
    3. Examples on Unit Conversion
      84 views
      4. Conversion of Memory Byte into Word
    4. Conversion of Memory Byte into Word
      56 views
      1.6: System Development (Practice Test)
      Computer System and Its Components
    1. Computer System and Its Components
      3240 views
      2. Introduction to System Development Life Cycle ( SDLC)
    2. Introduction to System Development Life Cycle ( SDLC)
      835 views
      3. Importance of SDLC
    3. Importance of SDLC
      681 views
      4. SDLC: Phases
    4. SDLC: Phases
      465 views
      5. Planning Phase
    5. Planning Phase
      335 views
      6. Feasibility Phase
    6. Feasibility Phase
      220 views
      7. Analysis Phase
    7. Analysis Phase
      456 views
      8. Requirement Engineering Phase
    8. Requirement Engineering Phase
      320 views
      9. Functional and Non Functional Requirements
    9. Functional and Non Functional Requirements
      10. Design Phase
    10. Design Phase
      239 views
      11. More on Design Phase
    11. More on Design Phase
      150 views
      12. Coding Phase
    12. Coding Phase
      133 views
      13. Testing Phase
    13. Testing Phase
      97 views
      14. Deployment Phase
    14. Deployment Phase
      123 views
      15. Maintenance Phase
    15. Maintenance Phase
      126 views

    Chapter 2 Information Networks (38 videos) (Practice Test)

      2.1: Overview (Practice Test)
      What is Computer Network
    1. What is Computer Network
      1414 views
      2. WWW: World Wide Web
    2. WWW: World Wide Web
      1141 views
      2.2: Workgroup Computing (Practice Test)
      Work Group and Group Ware
    1. Work Group and Group Ware
      21 views
      2.3: Email and its Benefits (Practice Test)
      Working with Email
    1. Working with Email
      26 views
      2.4: Internet (Practice Test)
      What is Internet
    1. What is Internet
      369 views
      2. Applications of Internet
    2. Applications of Internet
      6844 views
      3. Effects of Internet on Society: Positive aspects
    3. Effects of Internet on Society: Positive aspects
      1616 views
      4. Terminologies related to Internet
    4. Terminologies related to Internet
      423 views
      2.5: Components of Network (Practice Test)
      Network Interface Card
    1. Network Interface Card
      920 views
      2. Dial-Up Modem
    2. Dial-Up Modem
      3393 views
      3. Gateway
    3. Gateway
      955 views
      4. LAN's Protocol
    4. LAN's Protocol
      26 views
      5. Transmission Control Protocol / Internet Protocol
    5. Transmission Control Protocol / Internet Protocol
      112 views
      6. ISDN
    6. ISDN
      1733 views
      7. DSL
    7. DSL
      558 views
      8. Types of Networking w.r.t Area: LAN, WAN, MAN
    8. Types of Networking w.r.t Area: LAN, WAN, MAN
      367 views
      9. TCP/IP Applications
    9. TCP/IP Applications
      40 views
      2.6: LAN vs WAN (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. Uses of Network
    2. Uses of Network
      24 views
      2.7: Networking Concepts (Practice Test)
      Advantages and Disadvantages of Network
    1. Advantages and Disadvantages of Network
      2823 views
      2. Client Server Network
    2. Client Server Network
      10788 views
      3. Difference between Client and Server
    3. Difference between Client and Server
      5494 views
      4. Advantages and Disadvantages of Cliet Server Network
    4. Advantages and Disadvantages of Cliet Server Network
      1665 views
      5. Peer to Peer to Network
    5. Peer to Peer to Network
      895 views
      6. Network Standards
    6. Network Standards
      30 views
      7. What is Network Topology
    7. What is Network Topology
      609 views
      8. CSMA
    8. CSMA
      12 views
      9. Tree Topology
    9. Tree Topology
      26 views
      10. What is OSI Model: Over view
    10. What is OSI Model: Over view
      272 views
      11. Application Layer
    11. Application Layer
      156 views
      12. Presentation Layer
    12. Presentation Layer
      101 views
      13. Session Layer
    13. Session Layer
      96 views
      14. Transport Layer
    14. Transport Layer
      115 views
      15. Netwrok Layer
    15. Netwrok Layer
      122 views
      16. Data Link Layer
    16. Data Link Layer
      123 views
      17. Physical Layer
    17. Physical Layer
      122 views
      18. Seven Layers of OSI Model
    18. Seven Layers of OSI Model
      152 views
      19. More on OSI Model
    19. More on OSI Model
      80 views

    Chapter 3 Data Communication (24 videos) (Practice Test)

      3.1: Overview (Practice Test)
      What is data communication
    1. What is data communication
      560 views
      3.2: Components of Data Communication (Practice Test)
      Components of communication System
    1. Components of communication System
      224 views
      3.3: Signals (Practice Test)
      Signal
    1. Signal
      287 views
      3.4: Types of Data (Practice Test)
      Types of Data: Overview
    1. Types of Data: Overview
      272 views
      2. Introduction to Data Representation
    2. Introduction to Data Representation
      1153 views
      3. Coding Scheme
    3. Coding Scheme
      372 views
      3.5: Encoding of Data (Practice Test)
      Computer Codes and ASCII Code
    1. Computer Codes and ASCII Code
      2720 views
      2. Uni Code
    2. Uni Code
      105 views
      3.6: Modes of Data Communication (Practice Test)
      A Brief Description of Binary Coded Decimal
    1. A Brief Description of Binary Coded Decimal
      152 views
      2. Transmission modes of Computer Network
    2. Transmission modes of Computer Network
      397 views
      3.7: Types of Data Transmission (Practice Test)
      Parallel Transmission
    1. Parallel Transmission
      18 views
      3.8: Modem (Practice Test)
      Asynchoronous Transmission
    1. Asynchoronous Transmission
      368 views
      2. Comparison between Synchoronous and Asynchronous
    2. Comparison between Synchoronous and Asynchronous
      229 views
      3. What is Bandwidth
    3. What is Bandwidth
      4010 views
      4. Baseband
    4. Baseband
      25 views
      5. STP: Ethernet: Twisted Pair Cable
    5. STP: Ethernet: Twisted Pair Cable
      797 views
      6. Co-axial Cable
    6. Co-axial Cable
      308 views
      7. Optical Fibers
    7. Optical Fibers
      566 views
      8. Wireless media: Microwave Transmission
    8. Wireless media: Microwave Transmission
      407 views
      9. Classification of Satellite Systems
    9. Classification of Satellite Systems
      260 views
      10. Introduction to Mobile device Communication
    10. Introduction to Mobile device Communication
      143 views
      11. Data Rate , Baud Rate
    11. Data Rate , Baud Rate
      2686 views
      12. Dial-Up Modem
    12. Dial-Up Modem
      3393 views
      13. Types of Modems
    13. Types of Modems
      27 views

    Chapter 4 Applications Of Computers (16 videos) (Practice Test)

      4.1: Overview (Practice Test)
      Basic Operations of Computer
    1. Basic Operations of Computer
      3925 views
      4.2: Uses of Computers in Different Fields (Practice Test)
      Applications of Computers in Business
    1. Applications of Computers in Business
      550 views
      2. Office Automation
    2. Office Automation
      8789 views
      3. Applications of Computers in E-Commerece
    3. Applications of Computers in E-Commerece
      19 views
      4. Computer Aided Designs
    4. Computer Aided Designs
      624 views
      5. Computer Aided Manufacturing
    5. Computer Aided Manufacturing
      27 views
      6. Simulations
    6. Simulations
      14 views
      7. Use of Computers in Media
    7. Use of Computers in Media
      478 views
      8. Use of Computers in Medical
    8. Use of Computers in Medical
      28 views
      9. Use of Computers in Defence
    9. Use of Computers in Defence
      10. Applications of Computers in Industry
    10. Applications of Computers in Industry
      20 views
      11. Applications of Computers in Education
    11. Applications of Computers in Education
      7497 views
      12. Weather Forecasting
    12. Weather Forecasting
      10 views
      13. Application of Computers in Airline System
    13. Application of Computers in Airline System
      17 views
      4.3: Computer Assistance simplifying our work practices (Practice Test)
      Effects of Computer on Society : Positive aspects
    1. Effects of Computer on Society : Positive aspects
      2322 views
      2. Capabilities of Computer
    2. Capabilities of Computer
      941 views

    Chapter 5 Computer Architecture (23 videos) (Practice Test)

      5.1: Overview (Practice Test)
      Introduction to Computer Architecture
    1. Introduction to Computer Architecture
      36 views
      2. Von Neumann Model
    2. Von Neumann Model
      15 views
      3. Central Processing Unit: ALU , Control Unit
    3. Central Processing Unit: ALU , Control Unit
      5332 views
      4. CPU terminlogies: Data Path , CPU Cycle , Control Path
    4. CPU terminlogies: Data Path , CPU Cycle , Control Path
      21 views
      5. RAM: Random Access Memory
    5. RAM: Random Access Memory
      691 views
      6. Types of RAM: DRAM and SRAM
    6. Types of RAM: DRAM and SRAM
      860 views
      7. ROM: Read Only Memory
    7. ROM: Read Only Memory
      652 views
      5.2: Bus Interconnection (Practice Test)
      Bus and Types of Buses
    1. Bus and Types of Buses
      741 views
      5.3: The I/O Unit (Practice Test)
      I/O Unit
    1. I/O Unit
      29 views
      2. Interrupts
    2. Interrupts
      34 views
      3. Direct Memory Access (DMA)
    3. Direct Memory Access (DMA)
      41 views
      5.4: CPU Registers (Practice Test)
      Internal Processor Memory: Registers
    1. Internal Processor Memory: Registers
      646 views
      2. General Purpose Register 2
    2. General Purpose Register 2
      2062 views
      5.5: Computer Operations and the instruction format (Practice Test)
      CPU Operations
    1. CPU Operations
      1146 views
      2. Instruction Code
    2. Instruction Code
      304 views
      5.6: Instruction Format (Practice Test)
      Instruction Format
    1. Instruction Format
      295 views
      2. Fetch Exceute cycle
    2. Fetch Exceute cycle
      210 views
      5.7: Software (Practice Test)
      Types of Software
    1. Types of Software
      1769 views
      2. The Concept of Operating System
    2. The Concept of Operating System
      3421 views
      3. Functions of Operating System
    3. Functions of Operating System
      14403 views
      4. Command Line User Interface
    4. Command Line User Interface
      743 views
      5. Graphical User Interface
    5. Graphical User Interface
      1354 views
      5.8: The Translaters and their functions (Practice Test)
      Language Translators: An Overview
    1. Language Translators: An Overview
      583 views

    Chapter 6 Security, Copyright and the Law (17 videos) (Practice Test)

      6.1: Overview (Practice Test)
      What is Information security
    1. What is Information security
      83 views
      2. Information security Terminologies
    2. Information security Terminologies
      267 views
      6.2: Virus and Antivirus issues (Practice Test)
      Symptoms of Virus Attack
    1. Symptoms of Virus Attack
      390 views
      2. Computer Virus : What is Virus and How it Spread
    2. Computer Virus : What is Virus and How it Spread
      433 views
      3. Virus Hoax
    3. Virus Hoax
      610 views
      4. Types of Virus
    4. Types of Virus
      28 views
      5. How to Protect from Viruses
    5. How to Protect from Viruses
      16 views
      6. Downloading and Installation of Antivrus
    6. Downloading and Installation of Antivrus
      171 views
      6.3: Data Security (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. Data Security and Security Violations
    5. Data Security and Security Violations
      9 views
      6. Security Threats
    6. Security Threats
      6 views
      7. Privacy issues and hacking
    7. Privacy issues and hacking
      382 views
      6.4: Data Protection Legislation and Copyright issues (Practice Test)
      Data Protection act
    1. Data Protection act
      13 views
      6.5: The Copyright Act (Practice Test)
      Copy Rights: introduction and Historical Perspective
    1. Copy Rights: introduction and Historical Perspective
      7 views

    Chapter 7 Windows Operating System (14 videos) (Practice Test)

      7.1: Overview (Practice Test)
      The Concept of Operating System
    1. The Concept of Operating System
      3421 views
      7.2: Types of Operating System (Practice Test)
      Graphical User Interface
    1. Graphical User Interface
      1354 views
      2. Command Line User Interface
    2. Command Line User Interface
      743 views
      3. Objectives of Operating System
    3. Objectives of Operating System
      3513 views
      7.3: Starting to Use Windows Operating System (Practice Test)
      GUI Management
    1. GUI Management
      123 views
      2. The Desktop , ICONS, BUTTONS
    2. The Desktop , ICONS, BUTTONS
      141 views
      3. How a Mouse is Used
    3. How a Mouse is Used
      91 views
      4. Important features of Windows
    4. Important features of Windows
      23 views
      5. Multi-Tasking Operating System
    5. Multi-Tasking Operating System
      766 views
      6. Multi-Processor Operating system
    6. Multi-Processor Operating system
      222 views
      7.4: Disk Management (Practice Test)
      Dealing with Disks in Windows
    1. Dealing with Disks in Windows
      142 views
      7.5: File Management (Practice Test)
      File Management in Windows
    1. File Management in Windows
      15 views
      2. Exploring Windows Explorer
    2. Exploring Windows Explorer
      3858 views
      7.6: Control Printing Jobs
      Using Printer in Windows
    1. Using Printer in Windows
      12 views

    Chapter 8 Word Processing (27 videos) (Practice Test)

      8.1: Overview (Practice Test)
      Office Automation
    1. Office Automation
      8789 views
      2. What is Word Processing
    2. What is Word Processing
      30326 views
      8.2: What is a Word Processor? (Practice Test)
      Word Processor
    1. Word Processor
      24 views
      2. Full featured Word Processor
    2. Full featured Word Processor
      33 views
      8.3: A Simple Word Processor (Text Editor) (Practice Test)
      Word Window overview
    1. Word Window overview
      321 views
      8.4: Starting to Use Word Processor (Practice Test)
      Manage a word document
    1. Manage a word document
      296 views
      2. Editing text: Cut, Copy, paste and delete
    2. Editing text: Cut, Copy, paste and delete
      465 views
      3. Spell checking and thesauras in MS word
    3. Spell checking and thesauras in MS word
      70 views
      4. Text Formatting: Font size, style and color
    4. Text Formatting: Font size, style and color
      278 views
      5. Text Formatting: Modify text and text case
    5. Text Formatting: Modify text and text case
      132 views
      6. Paragraph Formatting: Alignment and indent
    6. Paragraph Formatting: Alignment and indent
      351 views
      7. Paragraph Formatting: Border, Shading and spacing
    7. Paragraph Formatting: Border, Shading and spacing
      204 views
      8. Page Formatting: Orientation, size and columns
    8. Page Formatting: Orientation, size and columns
      124 views
      9. Page Formatting: Border and color
    9. Page Formatting: Border and color
      104 views
      10. Page Formatting: Insert cover and blank page
    10. Page Formatting: Insert cover and blank page
      104 views
      11. Insert page break and section break
    11. Insert page break and section break
      723 views
      12. Insert header, footer and page number
    12. Insert header, footer and page number
      142 views
      13. Insert/Position image and clip art
    13. Insert/Position image and clip art
      86 views
      14. Insert and delete word art
    14. Insert and delete word art
      820 views
      15. Insert table, add/delete row and column
    15. Insert table, add/delete row and column
      196 views
      16. Resize rows and columns
    16. Resize rows and columns
      188 views
      17. Border settings in tables
    17. Border settings in tables
      136 views
      18. Shading settings in tables
    18. Shading settings in tables
      93 views
      19. Merge and split cells in tables
    19. Merge and split cells in tables
      2356 views
      20. printing the document
    20. printing the document
      228 views
      21. Using Clipboard
    21. Using Clipboard
      86 views
      22. Using Text Boxes
    22. Using Text Boxes
      242 views

    Chapter 9 Spreadsheet (15 videos) (Practice Test)

      9.1: Overview (Practice Test)
      Basics of Spreadsheet
    1. Basics of Spreadsheet
      587 views
      9.2: Features of Spreadsheet Software (Practice Test)
      Microsoft Excel terminology
    1. Microsoft Excel terminology
      237 views
      9.3: The Spreadsheet's Interface (Practice Test)
      Excel window
    1. Excel window
      97 views
      2. Creating workbook, naming and working with cells and sheets
    2. Creating workbook, naming and working with cells and sheets
      80 views
      9.4: Entering Data in a Worksheet (Practice Test)
      Paste cell content
    1. Paste cell content
      82 views
      9.5: Basics of Worksheet (Practice Test)
      Addressing cells
    1. Addressing cells
      89 views
      2. Manipulate data: Filtering cells
    2. Manipulate data: Filtering cells
      77 views
      3. Named Ranges
    3. Named Ranges
      19 views
      9.6: Working with Formulas (Practice Test)
      Working with formulas
    1. Working with formulas
      196 views
      2. Linking Files and Three Dimentional SpreadSheets
    2. Linking Files and Three Dimentional SpreadSheets
      15 views
      9.7: Functions (Practice Test)
      Working with functions
    1. Working with functions
      281 views
      2. Manipulate data: Data validation
    2. Manipulate data: Data validation
      86 views
      9.8: Formatting and Customizing Data (Practice Test)
      Format data: Conditional formatting
    1. Format data: Conditional formatting
      88 views
      9.9: Introducing Charts (Practice Test)
      Representing data graphically
    1. Representing data graphically
      79 views
      9.10: Printing Worksheets and Charts (Practice Test)
      Printing Worksheets and Charts
    1. Printing Worksheets and Charts
      9 views

    Chapter 10 Fundamentals of Internet (12 videos) (Practice Test)

      10.1: Overview (Practice Test)
      What is Internet
    1. What is Internet
      369 views
      2. Applications of Internet
    2. Applications of Internet
      6844 views
      10.2: How the Internet Works (Practice Test)
      How the internet works
    1. How the internet works
      23 views
      10.3: Addressing Schemes (Practice Test)
      Addressing Scheme
    1. Addressing Scheme
      13 views
      2. Internet Protocal Address
    2. Internet Protocal Address
      239 views
      3. Classesof IP Adderess
    3. Classesof IP Adderess
      91 views
      4. More on Classes of IP Adderesses
    4. More on Classes of IP Adderesses
      81 views
      10.4: Web Browsing (Practice Test)
      WWW: World Wide Web
    1. WWW: World Wide Web
      1141 views
      2. Search Engine
    2. Search Engine
      54 views
      10.5: Email (Practice Test)
      Working with Email
    1. Working with Email
      26 views
      2. Limitations on Email
    2. Limitations on Email
      14 views
      10.6: Newsgroups (Practice Test)
      News Group
    1. News Group
      14 views