Computer Science | Class 12

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    Chapter 1 Operating System (22 videos) (Practice Test)

      1.1: Introduction (Practice Test)
      The Concept of Operating System
    1. The Concept of Operating System
      3421 views
      2. Popular Operating System
    2. Popular Operating System
      182 views
      3. Batch Processing Operating System
    3. Batch Processing Operating System
      10918 views
      4. Multi-Programming Operating System
    4. Multi-Programming Operating System
      279 views
      5. Multi-Tasking Operating System
    5. Multi-Tasking Operating System
      766 views
      6. Time Sharing Operating System
    6. Time Sharing Operating System
      13476 views
      7. Real Time Operating System
    7. Real Time Operating System
      1879 views
      8. Multi-Processor Operating system
    8. Multi-Processor Operating system
      222 views
      9. Multi-Programming Vs Multi Processing
    9. Multi-Programming Vs Multi Processing
      651 views
      10. Parallel Processing System
    10. Parallel Processing System
      1074 views
      11. Time Sharing Operating System Vs Parallel Processing O.S
    11. Time Sharing Operating System Vs Parallel Processing O.S
      48 views
      12. Distributed Operating System
    12. Distributed Operating System
      1680 views
      13. Classification w.r.t Users
    13. Classification w.r.t Users
      377 views
      14. Functions of Operating System
    14. Functions of Operating System
      14403 views
      15. More on Functions of Operating System
    15. More on Functions of Operating System
      74 views
      1.2: Operating System Functions (Practice Test)
      Command Line User Interface
    1. Command Line User Interface
      743 views
      1.3: Process Management (Practice Test)
      The Concept of Process
    1. The Concept of Process
      106 views
      2. Process States
    2. Process States
      95 views
      3. What is Thread
    3. What is Thread
      122 views
      4. Thread Vs Process
    4. Thread Vs Process
      276 views
      5. Multi Tasking and Multiple Threading
    5. Multi Tasking and Multiple Threading
      71 views
      6. Mulri Tasking and Multi Programming
    6. Mulri Tasking and Multi Programming
      222 views

    Chapter 2 System Development Life Cycle (20 videos) (Practice Test)

      2.1: Introduction (Practice Test)
      Introduction to System Development Life Cycle ( SDLC)
    1. Introduction to System Development Life Cycle ( SDLC)
      835 views
      2. Importance of SDLC
    2. Importance of SDLC
      681 views
      3. Stakeholders of SDLC
    3. Stakeholders of SDLC
      725 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
      16. Role of Personel Involved in SDLC
    16. Role of Personel Involved in SDLC
      203 views
      17. Management: Role of Project Manager
    17. Management: Role of Project Manager
      95 views
      18. System Analyst
    18. System Analyst
      1380 views
      19. Role of Programmer
    19. Role of Programmer
      242 views
      20. Role of Software Tester
    20. Role of Software Tester
      114 views
      21. Customer
    21. Customer
      84 views

    Chapter 3 Object Oriented Programming using C++ (38 videos) (Practice Test)

      3.1: Introduction (Practice Test)
      What is Object oriented programming language
    1. What is Object oriented programming language
      843 views
      2. Computer Program
    2. Computer Program
      1590 views
      3. Header files and reserved words in C++
    3. Header files and reserved words in C++
      449 views
      4. Structure of Program C++
    4. Structure of Program C++
      315 views
      5. Pre-Processor directives
    5. Pre-Processor directives
      545 views
      6. Statements terminators
    6. Statements terminators
      343 views
      7. Comments and terminator statements
    7. Comments and terminator statements
      412 views
      3.2: C++ Constants and Variables (Practice Test)
      What are Constants
    1. What are Constants
      475 views
      2. More On Constants
    2. More On Constants
      27 views
      3. Computer Program to illustrate Constants
    3. Computer Program to illustrate Constants
      311 views
      4. The Concept of Variable
    4. The Concept of Variable
      324 views
      5. Rules for naming variable
    5. Rules for naming variable
      470 views
      6. Datatypes in C
    6. Datatypes in C
      398 views
      7. Constant qualifier
    7. Constant qualifier
      392 views
      8. typecasting in C Language
    8. typecasting in C Language
      489 views
      3.3: Input/ Output Handling (Practice Test)
      Output handling in C++/cout
    1. Output handling in C++/cout
      163 views
      2. input handling in C++/cin
    2. input handling in C++/cin
      125 views
      3. Working of gets function
    3. Working of gets function
      86 views
      4. Working of puts function
    4. Working of puts function
      86 views
      5. Difference between getch() and getche() function
    5. Difference between getch() and getche() function
      1791 views
      6. Escape sequence in C
    6. Escape sequence in C
      436 views
      7. More on escape sequence
    7. More on escape sequence
      90 views
      8. getchar(): I/O handling function
    8. getchar(): I/O handling function
      408 views
      9. endl statement
    9. endl statement
      71 views
      10. setw statement
    10. setw statement
      105 views
      3.4: Operators in C++ (Practice Test)
      Unary, Binary and Tenary operators
    1. Unary, Binary and Tenary operators
      323 views
      2. Assignment Operators
    2. Assignment Operators
      360 views
      3. Difference between assignment operator and 'equal to' operator
    3. Difference between assignment operator and 'equal to' operator
      1110 views
      4. Arithmatic Operators
    4. Arithmatic Operators
      346 views
      5. Compound Arithematic Assignment operators
    5. Compound Arithematic Assignment operators
      51 views
      6. Increment & decrement operators
    6. Increment & decrement operators
      123 views
      7. Relational operators
    7. Relational operators
      306 views
      8. Logical Operators: NOT
    8. Logical Operators: NOT
      319 views
      9. Logical Operators: AND
    9. Logical Operators: AND
      282 views
      10. Precedence of Operator from Top to bottom
    10. Precedence of Operator from Top to bottom
      282 views
      11. Logical Operators: OR
    11. Logical Operators: OR
      221 views
      12. Expressions in C++
    12. Expressions in C++
      111 views
      13. more on Expressions in C++
    13. more on Expressions in C++
      31 views

    Chapter 4 Control Structure (34 videos) (Practice Test)

      4.1: Decision Statements (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
      4. Introduction to decision and selection statements
    4. Introduction to decision and selection statements
      248 views
      5. Simple IF statement in C
    5. Simple IF statement in C
      725 views
      6. Introduction to if-else structure
    6. Introduction to if-else structure
      345 views
      7. if-else example problems
    7. if-else example problems
      411 views
      4.2: Switch Case (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
      4.3: Nested if (Practice Test)
      Nested if statement
    1. Nested if statement
      292 views
      2. Problem solving using nested if statement
    2. Problem solving using nested if statement
      55 views
      3. Comparison of nested if and sequence of ifs
    3. Comparison of nested if and sequence of ifs
      28 views
      4. exit() function in C++
    4. exit() function in C++
      22 views
      4.4: Loops (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
      3. Types of Loop
    3. Types of Loop
      1158 views
      4. Why we need For Loop
    4. Why we need For Loop
      258 views
      5. Structure of For Loop and Working
    5. Structure of For Loop and Working
      284 views
      6. Programs on For Loop
    6. Programs on For Loop
      291 views
      7. Problem solving using for loop
    7. Problem solving using for loop
      67 views
      8. Structure of While Loop and its Working
    8. Structure of While Loop and its Working
      258 views
      9. Programs on While Loop
    9. Programs on While Loop
      38 views
      10. Example problems of while loop
    10. Example problems of while loop
      83 views
      11. Problem solving using while loop
    11. Problem solving using while loop
      76 views
      12. Why there is a need of Do.. While Loop
    12. Why there is a need of Do.. While Loop
      197 views
      13. Structure of Do.. While loop
    13. Structure of Do.. While loop
      200 views
      14. Program on Do.. While Loop
    14. Program on Do.. While Loop
      224 views
      15. Difference between while and Do while
    15. Difference between while and Do while
      208 views
      16. Continue statement
    16. Continue statement
      236 views
      17. Difference between For Loop, Do While and While loop
    17. Difference between For Loop, Do While and While loop
      3019 views
      18. Requirement of loops within loop
    18. Requirement of loops within loop
      51 views
      19. Complex problem solving using nested loops
    19. Complex problem solving using nested loops
      69 views

    Chapter 5 Arrays and Strings (26 videos) (Practice Test)

      5.1: Introduction to Array (Practice Test)
      Problem Statement: Why we need Arrays
    1. Problem Statement: Why we need Arrays
      251 views
      2. What are Arrays
    2. What are Arrays
      196 views
      3. Terminologies used in Arrays
    3. Terminologies used in Arrays
      56 views
      4. Defining an Array
    4. Defining an Array
      29 views
      5. How to declare an Array in a Program
    5. How to declare an Array in a Program
      136 views
      6. Accessing array index with examples
    6. Accessing array index with examples
      184 views
      7. Fill array index with examples
    7. Fill array index with examples
      125 views
      8. Examples on Arrays
    8. Examples on Arrays
      194 views
      9. Fill array with user input
    9. Fill array with user input
      259 views
      10. Dynamic Method Using Loop
    10. Dynamic Method Using Loop
      83 views
      11. Traversing an Array
    11. Traversing an Array
      2170 views
      12. sizeof() operator
    12. sizeof() operator
      85 views
      5.2: Two Dimensional Arrays (Practice Test)
      Introduction to 2D Array
    1. Introduction to 2D Array
      91 views
      2. Defining 2D Array
    2. Defining 2D Array
      74 views
      3. Inializing 2D Array
    3. Inializing 2D Array
      85 views
      4. Accessing 2D-Array index with examples
    4. Accessing 2D-Array index with examples
      86 views
      5. printing a 2D array
    5. printing a 2D array
      54 views
      6. 2D array example
    6. 2D array example
      49 views
      5.3: Strings (Practice Test)
      What are Strings
    1. What are Strings
      85 views
      2. Initialization of Strings
    2. Initialization of Strings
      76 views
      3. Concatenation of Strings
    3. Concatenation of Strings
      67 views
      4. Copying of Strings
    4. Copying of Strings
      55 views
      5. Finding a character or word in a string
    5. Finding a character or word in a string
      26 views
      6. Finding length of a String
    6. Finding length of a String
      72 views
      7. Swapping of Strings
    7. Swapping of Strings
      182 views
      8. Example on Different String Functions
    8. Example on Different String Functions
      37 views

    Chapter 6 Functions (21 videos) (Practice Test)

      6.1: Functions (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
      3. Built in functions
    3. Built in functions
      254 views
      4. User defined functions
    4. User defined functions
      122 views
      5. Advantages of using functions
    5. Advantages of using functions
      153 views
      6. Signature of function
    6. Signature of function
      309 views
      7. Parts of Functions
    7. Parts of Functions
      107 views
      8. Scope of variable: Local variable
    8. Scope of variable: Local variable
      114 views
      9. Scope of variable: Global variable
    9. Scope of variable: Global variable
      91 views
      10. Scope of variable: Static variable
    10. Scope of variable: Static variable
      87 views
      11. Formal and Actual parameters
    11. Formal and Actual parameters
      440 views
      12. Local and Global functions
    12. Local and Global functions
      151 views
      13. Inline functions
    13. Inline functions
      91 views
      6.2: Passing arguments and returning values (Practice Test)
      Passing argument as variable
    1. Passing argument as variable
      98 views
      2. Passing argument as constant
    2. Passing argument as constant
      99 views
      3. Passing argument as reference
    3. Passing argument as reference
      87 views
      4. Default arguments
    4. Default arguments
      66 views
      5. Return statement
    5. Return statement
      52 views
      6.3: Function Overloading (Practice Test)
      Function overloading
    1. Function overloading
      82 views
      2. Advantages of function overloading
    2. Advantages of function overloading
      293 views
      3. Understanding function overloading concept: Return type of arguments
    3. Understanding function overloading concept: Return type of arguments
      17 views

    Chapter 7 Pointers (6 videos) (Practice Test)

      7.1: Introduction (Practice Test)
      Introduction to Pointer
    1. Introduction to Pointer
      154 views
      2. Memory addresses
    2. Memory addresses
      719 views
      3. Reference operator
    3. Reference operator
      251 views
      4. Dereference operator
    4. Dereference operator
      852 views
      5. Declaring variable of pointer type
    5. Declaring variable of pointer type
      129 views
      6. Pointer initialization with examples
    6. Pointer initialization with examples
      90 views

    Chapter 8 Objects and Classes (17 videos) (Practice Test)

      8.1: Classes (Practice Test)
      Introductions to Classes
    1. Introductions to Classes
      171 views
      2. objects of classes
    2. objects of classes
      130 views
      3. Members of a Class
    3. Members of a Class
      118 views
      4. Accessing member of a Class: Example program
    4. Accessing member of a Class: Example program
      91 views
      5. Access Specifier: Private access specifier
    5. Access Specifier: Private access specifier
      87 views
      6. Access Specifier: Public access specifier
    6. Access Specifier: Public access specifier
      80 views
      7. Data hiding/Encapsulation
    7. Data hiding/Encapsulation
      124 views
      8. Constructor
    8. Constructor
      104 views
      9. Default constructor
    9. Default constructor
      84 views
      10. User defined constructor
    10. User defined constructor
      79 views
      11. Constructor Overloading
    11. Constructor Overloading
      80 views
      12. Destructor
    12. Destructor
      62 views
      13. Inheritence
    13. Inheritence
      69 views
      14. More on Inheritence
    14. More on Inheritence
      49 views
      15. What is polymorphism:function overloading
    15. What is polymorphism:function overloading
      64 views
      16. operator overloading
    16. operator overloading
      45 views
      17. virtual function
    17. virtual function
      47 views

    Chapter 9 File Handling (13 videos) (Practice Test)

      9.1: File Handling (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. Opening files in binary mode
    8. Opening files in binary mode
      144 views
      9. bof() function
    9. bof() function
      89 views
      10. eof() function
    10. eof() function
      2294 views
      11. Stream and its types
    11. Stream and its types
      123 views
      12. reading/writing files character by character
    12. reading/writing files character by character
      58 views
      13. reading/writing files using strings
    13. reading/writing files using strings
      62 views