OBCFC 18-7-25

Which of the following is the correct syntax to declare a function in C?

• function int sum(int, int);

• int sum(int, int);

• sum int(int, int);

• int sum;

Which of the following best describes void return type in a function?

• Function returns an integer

• Function does not return any value

• Function returns nothing or null

• Function always exits the program

What happens if the number of arguments in the function call does not match with the number of parameters in the function definition?

• Compiler automatically adjusts

• Runtime error

• Compile-time error

• No error

What is a function prototype?

• A function with no return type

• A function that calls another function

• A declaration of a function that tells the compiler about function name, return type, and parameters

• A function defined inside another function

Which keyword is used to return a value from a function?

• send

• exit

• return

• output

A college uses a program with a function int isPresent(char studentID[]) that returns 1 for present and 0 for absent. Which control structure is most suitable to be used with this function?

• switch-case

• if-else

• goto

• while loop

You are building a simple calculator in C with separate functions like add(), subtract(), multiply(), and divide(). Which of the following best describes the reason for using multiple functions?

• It increases memory usage

• It helps in modular design and reusability

• It reduces the need for input

• It avoids use of loops

A C program is designed to monitor room temperature using a function float getTemperature(). Which of the following best explains why this function should return a value?

• To reuse the temperature data later in the program

• To avoid using global variables

• To print the temperature immediately

• To store sensor ID

What will be the output of the following code snippet?

• 1 2 3 None

• 2

• 2 3 None

• None

Uses of function

• Helps to avoid repeating a set of statements many times

• Enhances the logical clarity of the program,Makes the debugging task easier

• Helps to avoid repeated programming across programs

• All of the above