Question

heyaa..
give one example for a mixed expression. ​

Answer 1

Answer:

Explanation:

An operator is a symbol which helps the user to command the computer to do a certain mathematical or logical manipulations. Operators are used in C language program to operate on data and variables. C has a rich set of operators which can be classified as

 

These have operators under each as follows namely:

Arithmetic operator

All the basic arithmetic operations can be carried out in C. All the operators have almost the same meaning as in other languages. Both unary and binary operations are available in C language. Unary operations operate on a singe operand, therefore the number 5 when operated by unary – will have the value –5.

+   For performing Addition

-   For performing Subtraction

/   For performing Division

*   For performing Multiplication

%   Modulo for finding remainder in division operation

Integer Arithmetic

When an arithmetic operation is performed on two whole numbers or integers than such an operation is called as integer arithmetic. It always gives an integer as the result. Let x = 27 and y = 5 be 2 integer numbers. Then the integer operation leads to the following results.

x + y = 32

x – y = 22

x * y = 115

x % y = 2

x / y = 5

In integer division the fractional part is truncated.

Floating point arithmetic

When an arithmetic operation is preformed on two real numbers or fraction numbers such an operation is called floating point arithmetic. The floating point results can be truncated according to the properties requirement. The remainder operator is not applicable for floating point arithmetic operands.

Let x = 14.0 and y = 4.0 then

x + y = 18.0

x – y = 10.0

x * y = 56.0

x / y = 3.50

Mixed mode arithmetic

When one of the operand is real and other is an integer and if the arithmetic operation is carried out on these 2 operands then it is called as mixed mode arithmetic. If any one operand is of real type then the result will always be real thus 15/10.0 = 1.

 

Relational Operators

Often it is required to compare the relationship between operands and bring out a decision and program accordingly. This is when the relational operator come into picture. C supports the following relational operators.

 

Operator

Meaning

<

is less than

<=

is less than or equal to

>

is greater than

>=

is greater than or equal to

==

is equal to

!=

is not equal to

 

It is required to compare the marks of 2 students, salary of 2 persons, we can compare them using relational operators.

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