Quiz on Basics of C

What will be the output of the following C code?

#include <stdio.h>

void main()

{ int x = 5;

if (true);

printf("hello");

}

• a) It will display hello

• b) It will throw an error

• c) Nothing will be displayed

• d) Compiler dependent

#include <stdio.h>

int x;

void main()

{

if (x)

printf("hi");

else

printf("how are u");

}

• a) hi

• b) how are you

• c) compile time error

• d) error

What does the following code fragment write to the monitor?

int sum = 14;

if ( sum < 20 )

System.out.print("Under ");

else

System.out.print("Over ");

System.out.println("the limit.");

• Under

• Over.

• . Under the limit

• Over the limit.

int main()

{

int a = 25%10;

printf("%d", a);

return 0;

}

• 5

• 2

• 2.5

• 5.5

!= is the example of ____________________ operator.

• Relational

• Logical

• Assignment

• Conditional

#include <stdio.h>

void main()

{

int x = 5 * 9 / 3 + 9;

}

• 24

• 3

• 23

• 4

int x = 15;

x=+5;

printf("x value is: %d",x);

• Error

• x value is: 20

• x value is: 15

• None of these

int x = 15, y=10;

if(x>20 && y<=10)

printf("Condition Satisfied");

else

printf("Condition not satisfied");

• Error

• Condition Satisfied

• Condition not Satisfied

• None of these

1011 & 0111

• 1000

• 0011

• 1011

• None of these

Which header file can be used to define input/output function prototypes and macros?

• - math.h

• - memory.h

• - stdio.h

• - dos.h