# C Programming - Expressions

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- Expressions - General Questions
- Expressions - Find Output of Program
- Expressions - True / False Questions
- Expressions - Yes / No Questions

*z = x + y * z / 4 % 2 - 1*

Simply called as BODMAS (Bracket of Division, Multiplication, Addition and Subtraction).

How Do I Remember ? BODMAS !

**B**- Brackets first

**O**- Orders (ie Powers and Square Roots, etc.)

**DM**- Division and Multiplication (left-to-right)

**AS**- Addition and Subtraction (left-to-right)

Option A: assignment statements are always return in paranthesis in the case of conditional operator. It should be a>b? (c=30):(c=40);

Option B: it is syntatically wrong.

Option D: syntatically wrong, it should be return(a>b ? a:b);

Option C: it uses nested conditional operator, this is logic for finding greatest number out of three numbers.

*a = f1(23, 14) * f2(12/4) + f3();*

1. | ! |

2. | sizeof |

3. | ~ |

4. | && |

An operation with only one operand is called unary operation.

**Unary operators**:

*!* Logical NOT operator.

*~* bitwise NOT operator.

*sizeof* Size-of operator.

*&&* Logical AND is a logical operator.

Therefore, 1, 2, 3 are unary operators.