CPR_Quiz_Chapter4_function

What will be the output of the following C code?

#include <stdio.h>

void m()

{

printf("hi");

}

void main()

{

m();

}

• hi

• Run time error

• Nothing

• Varies

the value obtained in the function is given back to main by using ________ keyword.

• return

• static

• new

• volatile

Which function definition will run correctly?

• int sum(int a, int b)

  return (a + b);

• int sum(int a, int b)

  {return (a + b);}

• int sum(a, b)

  return (a + b);

• none of the mentioned

void can be used

• as a data-type of a function that returns nothing to its calling environment

• inside the brackets of a function that does not need any argument

• in an expression

• both (a) & (b)

Any C program

• must contain at least one function

• need not contain any function

• needs input data

• none of the above

The following program

main ()

{ int a = 4;

change { a };

printf ("%d", a);

}

change (a)

int a;

{

printf("%d", ++a);

}

• 55

• .45

• 54

• 44

Which of the following function calculates the square of 'x' in C?

• sqr(x)

• pow(2, x)

• pow(x, 2)

• power(2, x)

The default parameter passing mechanism is

• call by value

• call by reference

• call by value result

• None of these.

What is the output of a C program with functions.?

void show();

void main()

{

show();

printf("RAINBOW ");

return;

}

void show()

{

printf("COLOURS ");

}

• RAINBOW COLOURS

• COLOURS RAINBOW

• COLOURS

• Compiler error

Arguments passed to a function in C language are called ___ arguments.

• Formal arguments

• Actual Arguments

• Definite Arguments

• Ideal Arguments