C Programming Quiz

What is the correct syntax to declare a variable in C?

• int a;

• variable a;

• int = a;

• declare a;

Which of the following is a valid variable name?

• 2variable

• _variable

• @variable

• -variable

What is the size of int in C on a 32-bit system?

• 1 byte

• 2 bytes

• 4 bytes

• 8 bytes

Which of the following is not a valid data type in C?

• float

• double

• real

• int

What is the default value of an uninitialized variable in C?

• 0

• Undefined

• Null

• Garbage value

What is the associativity of the assignment operator = in C?

• Left to Right

• Right to Left

• Top to Bottom

• None

Which operator has the highest precedence in C?

• +

• *

• ()

• =

What is the precedence of the relational operators (<, >, <=, >=) compared to arithmetic operators?

• Higher

• Lower

• Same

• Undefined

Which of the following has the lowest precedence?

• +

• *

• &&

• =

What is the result of 3 + 5 * 2?

• 16

• 13

• 20

• 10