Computer Science | Class 11

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    Chapter 1 Basic Concepts of Information Technology ( 72 videos)  (Practice Test)

      1.1: What is Computer
      What is Computer
    1. What is Computer
      7223 views
      1.2: What is Computer Science and Information Technology (Practice Test)
      What Is Computer Science
    1. What Is Computer Science
      67 views
      2. What Is Information Technology
    2. What Is Information Technology
      133 views
      1.3: Computer System
      Computer System And Its Components
    1. Computer System And Its Components
      3240 views
      1.4: Looking Inside a Machine
      Looking Inside A Machine
    1. Looking Inside A Machine
      21 views
      1.5: Input Devices (Practice Test)
      Keyboard
    1. Keyboard
      473 views
      2. Terminals I/O Devices
    2. Terminals I/O Devices
      63 views
      3. Barcode And Qr Readers
    3. Barcode And Qr Readers
      126 views
      4. Optical Recognition System
    4. Optical Recognition System
      242 views
      5. Magnetic Ink Character Recognition System: Micr
    5. Magnetic Ink Character Recognition System: Micr
      130 views
      6. Scanners And Its Types
    6. Scanners And Its Types
      242 views
      7. More On Scanners
    7. More On Scanners
      142 views
      8. Video Input Devices
    8. Video Input Devices
      19 views
      9. Microphone
    9. Microphone
      178 views
      10. Mouse
    10. Mouse
      282 views
      11. Joy Stick
    11. Joy Stick
      239 views
      12. Touch Screen
    12. Touch Screen
      112 views
      13. Light Pen
    13. Light Pen
      2834 views
      14. Graphic Tablet
    14. Graphic Tablet
      27 views
      15. What Is Computer Hardware
    15. What Is Computer Hardware
      1255 views
      1.6: Processing Hardware (Practice Test)
      Central Processing Unit: Alu, Control Unit
    1. Central Processing Unit: Alu, Control Unit
      5332 views
      1.7: Main Memory
      Main Memory
    1. Main Memory
      1.8: How Data and Programs are Represented in the Computer (Practice Test)
      Introduction To Data Representation
    1. Introduction To Data Representation
      1153 views
      2. Memory Terminologies
    2. Memory Terminologies
      651 views
      1.9: Binary Coding Schemes (Practice Test)
      Coding Scheme
    1. Coding Scheme
      372 views
      2. Computer Codes And Ascii Code
    2. Computer Codes And Ascii Code
      2720 views
      3. Uni Code
    3. Uni Code
      105 views
      4. A Brief Description Of Binary Coded Decimal
    4. A Brief Description Of Binary Coded Decimal
      152 views
      1.10: The Parity Bit : Check for Errors (Practice Test)
      The Parity Bit: Check For Errors
    1. The Parity Bit: Check For Errors
      2. A System Unit: Desktop And Tower Casing
    2. A System Unit: Desktop And Tower Casing
      941 views
      1.11: The System Unit of a Microcomputer (Practice Test)
      Power Supply
    1. Power Supply
      187 views
      2. Mother Board
    2. Mother Board
      205 views
      3. More On Mother Board
    3. More On Mother Board
      239 views
      4. Internal Processor Memory: Registers
    4. Internal Processor Memory: Registers
      646 views
      5. Bus And Types Of Buses
    5. Bus And Types Of Buses
      741 views
      6. Cpu Clock And Co-Processor
    6. Cpu Clock And Co-Processor
      17 views
      7. Ram: Random Access Memory
    7. Ram: Random Access Memory
      691 views
      8. Cache And Its Types
    8. Cache And Its Types
      618 views
      9. Virtual Memory
    9. Virtual Memory
      15 views
      10. Chip Memory
    10. Chip Memory
      639 views
      11. Flash Memory Cards
    11. Flash Memory Cards
      286 views
      12. Rom: Read Only Memory
    12. Rom: Read Only Memory
      652 views
      13. Expansion Slots Types
    13. Expansion Slots Types
      4392 views
      14. Types Of Expansion Cards
    14. Types Of Expansion Cards
      2761 views
      15. Ports And Types
    15. Ports And Types
      610 views
      16. Types Of Ports: Serial And Parallel Ports
    16. Types Of Ports: Serial And Parallel Ports
      747 views
      1.12: Output Devices (Practice Test)
      Difference Between Soft Copy And Hard Copy
    1. Difference Between Soft Copy And Hard Copy
      3264 views
      2. Monitors
    2. Monitors
      366 views
      3. Types Of Monitors: Crt Monitor
    3. Types Of Monitors: Crt Monitor
      334 views
      4. Screen Resolution
    4. Screen Resolution
      125 views
      5. Monochrome And Color Screens
    5. Monochrome And Color Screens
      6. Speakers
    6. Speakers
      94 views
      7. Printers And Its Types
    7. Printers And Its Types
      758 views
      8. Plotter
    8. Plotter
      287 views
      9. Computer Output Microfilm (Com) System
    9. Computer Output Microfilm (Com) System
      1.13: Storage Hardware (Practice Test)
      Storage Hardware: Memory
    1. Storage Hardware: Memory
      622 views
      2. Difference Between Magnetic Tape And Magnetic Disk
    2. Difference Between Magnetic Tape And Magnetic Disk
      5821 views
      3. Floppy Disks And Zip Disks
    3. Floppy Disks And Zip Disks
      2956 views
      4. Hard Disk
    4. Hard Disk
      1327 views
      5. Cd ( Compact Disk)
    5. Cd ( Compact Disk)
      3356 views
      6. Properties Of Optical Disk
    6. Properties Of Optical Disk
      303 views
      1.14: 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. What Is DOS
    3. What Is DOS
      3016 views
      4. UNIX And Linux
    4. UNIX And Linux
      17 views
      5. Objectives Of Operating System
    5. Objectives Of Operating System
      3513 views
      6. Functions Of Operating System
    6. Functions Of Operating System
      14403 views
      1.15: 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. Generations On Computer Languages
    5. Generations On Computer Languages
      464 views

    Chapter 2 Information Networks ( 23 videos)  (Practice Test)

      2.1: Network and Its Advantages (Practice Test)
      What Is Computer Network
    1. What Is Computer Network
      1414 views
      2. Uses Of Network
    2. Uses Of Network
      24 views
      2.2: Various Types of Network
      Types Of Networking W.R.T Area: Lan, Wan, Man
    1. Types Of Networking W.R.T Area: Lan, Wan, Man
      367 views
      2.3: Topology of LAN (Practice Test)
      What Is Network Topology
    1. What Is Network Topology
      609 views
      2. Network Topologies: Advantages And Disadvantages
    2. Network Topologies: Advantages And Disadvantages
      380 views
      3. More on Network Topologies: Advantages And Disadvantages
    3. More on Network Topologies: Advantages And Disadvantages
      202 views
      2.4: LAN Models (Practice Test)
      Difference Between Client And Server
    1. Difference Between Client And Server
      5494 views
      2. Client-Server Network
    2. Client-Server Network
      10788 views
      3. Peer-To-Peer Network
    3. Peer-To-Peer Network
      895 views
      2.5: Components of a LAN (Practice Test)
      Networking Devices: Switch
    1. Networking Devices: Switch
      972 views
      2. Gateway
    2. Gateway
      955 views
      3. Network Interface Card
    3. Network Interface Card
      920 views
      4. Dial-Up Modem
    4. Dial-Up Modem
      3393 views
      5. Networking Hardware
    5. Networking Hardware
      389 views
      6. Networking Software
    6. Networking Software
      2 views
      2.6: GAN ( Global Area Network) or Internet (Practice Test)
      What is Internet
    1. What is Internet
      369 views
      2. Www: World Wide Web
    2. Www: World Wide Web
      1141 views
      2.7: Major Features of Internet
      Terminologies Related To Internet
    1. Terminologies Related To Internet
      423 views
      2.8: Email
      Working with Email
    1. Working with Email
      26 views
      2.9: File Transfer Protocol
      File Transfer Protocol
    1. File Transfer Protocol
      2.10: World Wide Web
      Www: World Wide Web
    1. Www: World Wide Web
      1141 views
      2.11: Getting information on the Internet
      How The Internet Works
    1. How The Internet Works
      23 views
      2.12: Desktop Tools for Accessing the Internet
      The content is under development at the moment and will be updated soon.

    Chapter 3 Data Communication ( 30 videos)  (Practice Test)

      3.1: Data Communication and Its Components (Practice Test)
      What Is Data Communication
    1. What Is Data Communication
      560 views
      2. Components Of Communication System
    2. Components Of Communication System
      224 views
      3.2: Data
      Types Of Data: Overview
    1. Types Of Data: Overview
      272 views
      3.4: Characteristics of Data Transmission
      Properties Of Good Communication System
    1. Properties Of Good Communication System
      282 views
      3.5: Analogue and Digital Signals (Practice Test)
      Signal
    1. Signal
      287 views
      2. Asynchronous Transmission
    2. Asynchronous Transmission
      368 views
      3.6: Direction of Transmission
      Transmission Modes Of Computer Network
    1. Transmission Modes Of Computer Network
      397 views
      3.7: Data Communication Speed and Media (Practice Test)
      What Is Bandwidth
    1. What Is Bandwidth
      4010 views
      2. Data Rate, Baud Rate
    2. Data Rate, Baud Rate
      2686 views
      3.8: Twisted Pair Cable
      Stp: Ethernet: Twisted Pair Cable
    1. Stp: Ethernet: Twisted Pair Cable
      797 views
      3.9: Coaxial Cable
      Co-Axial Cable
    1. Co-Axial Cable
      308 views
      3.10: Fiber Optic Cable
      Optical Fibers
    1. Optical Fibers
      566 views
      3.11: Microwave Transmission
      Wireless Media: Microwave Transmission
    1. Wireless Media: Microwave Transmission
      407 views
      3.12: Satellite Transmission (Practice Test)
      Satellite Communication
    1. Satellite Communication
      391 views
      2. Dial-Up Modem
    2. Dial-Up Modem
      3393 views
      3.13: Communication Hardware : Modem
      Types Of Modems
    1. Types Of Modems
      27 views
      3.15: Ethernet (Practice Test)
      Stp: Ethernet: Twisted Pair Cable
    1. Stp: Ethernet: Twisted Pair Cable
      797 views
      2. Token Ring
    2. Token Ring
      11 views
      3.16: Communication Protocols (Practice Test)
      LAN Protocols
    1. LAN Protocols
      26 views
      2. Internet Protocol Address
    2. Internet Protocol Address
      239 views
      3.17: The OSI Model (Practice Test)
      What Is OSI Model: Overview
    1. What Is OSI Model: Overview
      272 views
      2. Physical Layer
    2. Physical Layer
      122 views
      3. Data Link Layer
    3. Data Link Layer
      123 views
      4. Network Layer
    4. Network Layer
      122 views
      5. Transport Layer
    5. Transport Layer
      115 views
      6. Session Layer
    6. Session Layer
      96 views
      7. Presentation Layer
    7. Presentation Layer
      101 views
      8. Application Layer
    8. Application Layer
      156 views
      9. Seven Layers Of Osi Model
    9. Seven Layers Of Osi Model
      152 views
      10. More On Osi Model
    10. More On Osi Model
      80 views

    Chapter 4 Applications and Use of Computer ( 5 videos)  (Practice Test)

      4.1: Capabilities of Computer
      Capabilities Of Computer
    1. Capabilities Of Computer
      941 views
      4.2: How Computers are Used (Practice Test)
      Applications Of Computers In Education
    1. Applications Of Computers In Education
      7497 views
      2. Applications Of Computers In Health
    2. Applications Of Computers In Health
      3. Applications Of Computers In Business
    3. Applications Of Computers In Business
      550 views
      4.3: The Impact of Computers on People
      Effects Of Computer On Society : Positive Aspects
    1. Effects Of Computer On Society : Positive Aspects
      2322 views

    Chapter 5 Computer Architecture ( 11 videos)  (Practice Test)

      5.1: Introduction to Computer Architecture
      Introduction To Computer Architecture
    1. Introduction To Computer Architecture
      36 views
      5.2: Components of Digital Computer
      The content is under development at the moment and will be updated soon.
      5.3: Addressing of Memory Locations
      Addressing Of A Memory Locations
    1. Addressing Of A Memory Locations
      5.4: Computer 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: Buses (Practice Test)
      Bus And Types Of Buses
    1. Bus And Types Of Buses
      741 views
      5.6: Instructions (Practice Test)
      Instruction Code
    1. Instruction Code
      304 views
      2. Instruction Format
    2. Instruction Format
      295 views
      5.7: Stack Organized CPU
      Stack Organized Cpu
    1. Stack Organized Cpu
      5.8: How to Convert Infix Expression into Postfix Expression
      How To Convert Infix Expression Into Postfix Expression
    1. How To Convert Infix Expression Into Postfix Expression
      5.9: Internal Working of CPU (Practice Test)
      Fetch Execute Cycle
    1. Fetch Execute Cycle
      210 views

    Chapter 6 Security , Copyright and the Law ( 15 videos)  (Practice Test)

      6.1: Computer Crime
      Computer Crime
    1. Computer Crime
      14 views
      6.2: Computer Viruses (Practice Test)
      Computer Virus: What Is Virus And How It Spreads
    1. Computer Virus: What Is Virus And How It Spreads
      433 views
      2. Worm, Adware, Spyware, Malware
    2. Worm, Adware, Spyware, Malware
      152 views
      3. Types Of Virus
    3. Types Of Virus
      28 views
      4. How To Protect From Viruses
    4. How To Protect From Viruses
      16 views
      5. Downloading And Installation Of Antivirus
    5. Downloading And Installation Of Antivirus
      171 views
      6.3: Computer Security : Reducing Risks (Practice Test)
      Passwords
    1. Passwords
      9 views
      2. Authorized Access And Unauthorized Access
    2. Authorized Access And Unauthorized Access
      9663 views
      3. Difference Between Authorization And Authentication
    3. Difference Between Authorization And Authentication
      99 views
      4. Authentication Methodologies: Password And Pin Number
    4. Authentication Methodologies: Password And Pin Number
      450 views
      5. Access Card And Biometrics
    5. Access Card And Biometrics
      79 views
      6. Multi Model Authentication
    6. Multi Model Authentication
      67 views
      7. Firewalls, Encryption And Audits
    7. Firewalls, Encryption And Audits
      5 views
      8. Backup Of Data
    8. Backup Of Data
      6.4: Privacy Issues
      Privacy Issues And Hacking
    1. Privacy Issues And Hacking
      382 views

    Chapter 7 Operating System (Windows) ( 19 videos)  (Practice Test)

      7.1: Introduction to Operating Systems / System Software (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
      7.2: What is a User Interface (Practice Test)
      What Is User System Interface
    1. What Is User System Interface
      20 views
      2. Graphical User Interface
    2. Graphical User Interface
      1354 views
      7.3: Windows (Practice Test)
      The Desktop, Icons, Buttons
    1. The Desktop, Icons, Buttons
      141 views
      2. Taskbar And Start Button
    2. Taskbar And Start Button
      665 views
      3. Menu Bar
    3. Menu Bar
      38 views
      7.4: Icons
      Familiarization With Windows Icons
    1. Familiarization With Windows Icons
      162 views
      7.5: File Management (Practice Test)
      Rules For Files And Folders Name
    1. Rules For Files And Folders Name
      233 views
      2. Find Your File
    2. Find Your File
      46 views
      3. Renaming Files Amd Folders
    3. Renaming Files Amd Folders
      46 views
      4. Deleting Files
    4. Deleting Files
      44 views
      5. Cut, Copy And Paste File
    5. Cut, Copy And Paste File
      55 views
      6. Dealing With Disks In Windows
    6. Dealing With Disks In Windows
      142 views
      7. Exploring Windows Explorer
    7. Exploring Windows Explorer
      3858 views
      8. Getting Help
    8. Getting Help
      35 views
      9. Customizing Windows
    9. Customizing Windows
      15 views
      7.6: Using the Printers Folder
      Using Printer In Windows
    1. Using Printer In Windows
      12 views
      2. Ease Of Access Center In Windows
    2. Ease Of Access Center In Windows

    Chapter 8 Word Processing ( 32 videos)  (Practice Test)

      8.1: Word Processing
      What is Word Processing
    1. What is Word Processing
      30326 views
      8.2: Basic Word Processing Functions (Practice Test)
      Word Window Overview
    1. Word Window Overview
      321 views
      2. Manage A Word Document
    2. Manage A Word Document
      296 views
      3. Editing Text: Inserting And Selecting
    3. Editing Text: Inserting And Selecting
      282 views
      4. Editing Text: Cut, Copy, Paste And Delete
    4. Editing Text: Cut, Copy, Paste And Delete
      465 views
      5. Searching For And Replacing Characters
    5. Searching For And Replacing Characters
      44 views
      6. Foot Notes And End Notes In Ms Word
    6. Foot Notes And End Notes In Ms Word
      7. Spell Checking And Thesaurus In Ms Word
    7. Spell Checking And Thesaurus In Ms Word
      70 views
      8.3: Formatting Word Document (Practice Test)
      Text Formatting: Font Size, Style And Color
    1. Text Formatting: Font Size, Style And Color
      278 views
      2. Text Formatting: Modify Text And Text Case
    2. Text Formatting: Modify Text And Text Case
      132 views
      3. Paragraph Formatting: Alignment And Indent
    3. Paragraph Formatting: Alignment And Indent
      351 views
      4. Paragraph Formatting: Border, Shading And Spacing
    4. Paragraph Formatting: Border, Shading And Spacing
      204 views
      5. Page Formatting: Orientation, Size And Columns
    5. Page Formatting: Orientation, Size And Columns
      124 views
      6. Page Formatting: Border And Color
    6. Page Formatting: Border And Color
      104 views
      7. Page Formatting: Insert Cover And Blank Page
    7. Page Formatting: Insert Cover And Blank Page
      104 views
      8. Insert Page Break And Section Break
    8. Insert Page Break And Section Break
      723 views
      9. Insert Header, Footer And Page Number
    9. Insert Header, Footer And Page Number
      142 views
      8.4: Enhancing a Word Document (Practice Test)
      Insert/Position Image And Clip Art
    1. Insert/Position Image And Clip Art
      86 views
      2. Insert And Delete Word Art
    2. Insert And Delete Word Art
      820 views
      3. Insert Table, Add/Delete Row And Column
    3. Insert Table, Add/Delete Row And Column
      196 views
      4. Resize Rows And Columns
    4. Resize Rows And Columns
      188 views
      5. Border Settings In Tables
    5. Border Settings In Tables
      136 views
      6. Shading Settings In Tables
    6. Shading Settings In Tables
      93 views
      7. Merge And Split Cells In Tables in MS Word
    7. Merge And Split Cells In Tables in MS Word
      2356 views
      8.5: Advanced Operations (Practice Test)
      Table Of Contents And Index Generation
    1. Table Of Contents And Index Generation
      2. Inserting Symbols In A Document
    2. Inserting Symbols In A Document
      96 views
      3. Use Of Equation Editor: Write Equation
    3. Use Of Equation Editor: Write Equation
      109 views
      4. Mail Merge
    4. Mail Merge
      5. Macros
    5. Macros
      6. Desktop Publishing In Ms Word
    6. Desktop Publishing In Ms Word
      7. Printing The Document
    7. Printing The Document
      228 views
      8. Popular Word Processing Packages
    8. Popular Word Processing Packages
      51 views

    Chapter 9 Spread Sheet ( 17 videos)  (Practice Test)

      9.1: Spread Sheet (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. Addressing Cells
    5. Addressing Cells
      89 views
      6. Paste Cell Content
    6. Paste Cell Content
      82 views
      7. Working With Formulas
    7. Working With Formulas
      196 views
      8. Working With Functions
    8. Working With Functions
      281 views
      9. More On Working With Functions
    9. More On Working With Functions
      69 views
      9.2: Entering and Editing data (Practice Test)
      Filling Columns And Rows
    1. Filling Columns And Rows
      79 views
      2. Moving The Cell Pointer
    2. Moving The Cell Pointer
      17 views
      9.3: Formatting Data
      Format Data: Conditional Formatting
    1. Format Data: Conditional Formatting
      88 views
      9.4: Printing
      Printing Worksheets And Charts
    1. Printing Worksheets And Charts
      9 views
      9.5: Additional Spreadsheet Features (Practice Test)
      Additional Spreadsheet Features
    1. Additional Spreadsheet Features
      10 views
      2. Linking Files And Three Dimensional Spreadsheets
    2. Linking Files And Three Dimensional Spreadsheets
      15 views
      3. Three Dimensional Spreadsheets
    3. Three Dimensional Spreadsheets
      17 views
      4. Popular Spread Sheet Programs
    4. Popular Spread Sheet Programs

    Chapter 10 Internet browsing and Using E-Mail ( 6 videos)  (Practice Test)

      10.1: Browsing the Web
      The content is under development at the moment and will be updated soon.
      10.2: Downloading a File
      How To Download And Install Software
    1. How To Download And Install Software
      50 views
      10.3: Searching the Web (Practice Test)
      How The Internet Works
    1. How The Internet Works
      23 views
      2. Search Engine
    2. Search Engine
      54 views
      10.4: Understanding E-Mail
      Working with Email
    1. Working with Email
      26 views
      10.4: Understanding Newsgroups
      News Group
    1. News Group
      14 views