UNIT 3

In C, parameters are always

• Passed by value

• Passed by reference

• Non-pointer variables are passed by value and pointers are passed by reference

• Passed by value result

Choose correct statement about Functions in C Language.

• A Function is a group of c statements which can be reused any number of times.

• Every Function has a return type.

• Every Function may no may not return a value.

• All the above.

Choose a correct statement about C Language Functions.

• A) A function name can not be same as a predefined C Keyword.

• B) A function name can start with an Underscore( _ ) or A to Z or a to z.

• C) Default return type of any function is an Integer.

• D) All the above.

Choose a correct statement about C Function.?

main()

{

printf("Hello");

}

• A) "main" is the name of default must and should Function.

• B) main() is same as int main()

• C) By default, return 0 is added as the last statement of a function without specific return type.

• D) All the above

A function which calls itself is called a ___ function.

• A) Self Function

• B) Auto Function

• C) Recursive Function

• D) Static Function

What is the output of C Program with Functions.?

int main()

{

void show()

{

printf("HIDE");

}

show();

return 0;

}

• A) No output

• B) HIDE

• C) Compiler error

• D) None of the above

What is the output of C Program with functions.?

void show();

int main()

{

show();

printf("ARGENTINA ");

return 0;

}

void show()

{

printf("AFRICA ");

}

• A) ARGENTINA AFRICA

• B) AFRICA ARGENTINA

• C) ARGENTINA

• D) Compiler error

What is the output of C Program with functions.?

int main()

{

show();

printf("BANK ");

return 0;

}

void show()

{

printf("CURRENCY ");

}

• A) CURRENCY BANK

• B) BANK CURRENCY

• C) BANK

• D) Compiler error

How many values can a C Function return at a time.?

• A) Only One Value

• B) Maximum of two values

• C) Maximum of three values

• D) Maximum of 8 values

What is the output of C Program.?

void show();

void main()

{

printf("PISTA ");

show();

}

void show()

{

printf("CACHEW ");

return 10;

}

• A) PISTA CACHEW

• B) CASHEW PISTA

• C) PISTA CASHEW with compiler warning

• D) Compiler error