The document discusses assignment operators in C programming. It defines the basic assignment operator = and several compound assignment operators that perform arithmetic or bitwise operations and assignment in one step, such as += for addition and assignment. Examples are provided to demonstrate how each operator works, such as using C += A to add the values of C and A and assign the result to C.

1. Operators in C
Assignment Operators

2. Assignment Operators
An assignment operator is used for assigning a value to a variable.
Consider A=15
Operator Description Example
= Simple assignment operator. Assigns values from right
side operands to left side operand
C = A will assign the value of A
to C i.e., C is 15
+= Add AND assignment operator. It adds the right
operand to the left operand and assign the result to the
left operand.
C += A is equivalent to C= C + A
i.e., now C will be 15+15=30.
-= Subtract AND assignment operator. It subtracts the
right operand from the left operand and assigns the
result to the left operand.
C -= A is equivalent to C = C – A
i.e., now C will be 30-15= 15.
*= Multiply AND assignment operator. It multiplies the
right operand with the left operand and assigns the
result to the left operand.
C *= A is equivalent to C = C *
A i.e., now value of C will be
15*15= 225.

3. Operator Description Example
/= Divide AND assignment operator. It divides
the left operand with the right operand and
assigns the result to the left operand.
C /= A is equivalent to C = C / A
i.e., value of C will be 225/15=15
%= Modulus AND assignment operator. It takes
modulus using two operands and assigns the
result to the left operand.
C %= A is equivalent to C = C % A
i.e., value of C will be 15%5=0
<<= Left shift AND assignment operator. A <<= 2 is same as A = A << 2
i.e., value of A will be 15<<2=60
>>= Right shift AND assignment operator. A >>= 2 is same as A = A >> 2
i.e., value of A will be 60>>2=15
&= Bitwise AND assignment operator. A &= 2 is same as A= A & 2 i.e., value of A
will be 15&=2 is 2
^= Bitwise exclusive OR and assignment
operator.
A ^= 2 is same as A = A ^ 2 value of A will
be 15^=2 is 0
|= Bitwise inclusive OR and assignment operator. A |= 2 is same as A = A | 2 value of A will be
15|=2 is 2
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