8escs01 problem solving through programming unit-2: c programming basics



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Module 2 c program

TYPES OF OPERATORS
  • Arithmetic Operators
  • Relational Operators
  • Logical Operators
  • Assignment Operators
  • Increment and decrement Operators
  • OPERATORS AND EXPRESSIONS


    45
    (A) ARITHMETIC OPERATORS
    • These are used to perform mathematical calculations like addition, subtraction, multiplication, division and modulus.

    OPERATORS AND EXPRESSIONS


    add = a + b; sub = a - b; mul = a * b; div = a / b; mod = a % b;
    printf(“Addition of a, b is : %d\n”, add); printf(“Subtraction of a, b is : %d\n”, sub); printf(“Multiplication of a, b is : %d\n”, mul); printf(“Division of a, b is : %d\n”, div); printf(“Modulus of a, b is : %d\n”, mod);
    }
    46
    (A) ARITHMETIC OPERATORS - EXAMPLE
    #include
    void main( )
    {
    int a=40, b=20, add, sub, mul, div, mod;
    Output:
    Addition of a, b is : 60 Subtraction of a, b is : 20 Multiplication of a, b is : 800 Division of a, b is : 2 Modulus of a, b is : 0

    OPERATORS AND EXPRESSIONS


    (B) RELATIONAL OPERATORS
    • These operators are used to compare variables.

    the value of two
    between two
    • These operator provide the relationship expressions.
    • If the relation is true it returns a value 1, else it returns a value 0 .

    47

    OPERATORS AND EXPRESSIONS


    int m=40, n=20; if (m == n)
    {
    printf(“m and n are equal”);
    }
    else
    {
    printf(“m and n are not equal”);
    }
    }
    48
    (B) RELATIONAL OPERATORS - EXAMPLE
    #include void main( )
    {
    Output:
    M and n are not equal

    OPERATORS AND EXPRESSIONS


    (C) LOGICAL OPERATORS
    • These operators are used to perform logical operations on the given expressions.
    • The result may be either 1 or 0.
    • There are 3 logical operators in C language. They are:
      • logical AND (&&),
      • logical OR (||) and
      • logical NOT ( ! ).

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