Online Random Test

Test Status

CRANDOMTEST

Ques 1 : what is the output of following program?

void main(){
float a;
a=6.7;
if(a==6.7)
printf("A");
else
printf("B");
}

(A) A

(B) B

(D) nothing display on screen

Ques 2 : How many variables scopes are there in "C" language?

(A) 2

(B) 3

(D) 5

Ques 3 :
What will be printed as the result of the operation below:

int x;
int modifyvalue()
{
return(x+=10);
}
int changevalue(int x)
{
return(x+=1);
}
void main()
{
int x=10;
x++;
changevalue(x);
x++;
modifyvalue();
printf("First output:%dn",x);
x++;
changevalue(x);
printf("Second output:%dn",x);
modifyvalue();
printf("Third output:%dn",x);
}

(A) 12, 12, 12

(B) 12, 12, 13

(D) 13, 13, 13

Ques 4 :
How many times the while loop will get executed?
main ( )
{
int a = 1 ;
while ( a <= 100) ;
{
printf ( "%d", a++ ) ;
}
}

(A) 100

(B) 1

(D) Infinite

Ques 5 :
Which one of the following functions is the correct choice for moving blocks of binary data that are of arbitrary size and position in memory?

(A) memset()

(B) memcpy()

(D) memmove()

Ques 6 : What is the output of the following code?
#include "stdio.h"
extern int a=5;
main(){
void fun();
printf("\n a=%d",a);
fun();
return 0;
}
int a;
void fun(){
printf("\n in fun a=%d",a);
}

(A) a=0 in fun a=5

(B) a=5 in fun a=0

(D) error

Ques 7 : What is the output of the following program?
void xyz(int p1, int p2){
++p1;
++p2;
printf("%d%d",p1,*p2);
}
void main(){
int a=10;
xyz(a++,&a);
xyz(a++,&a);
printf("%d",a);
}

(A) 10 11 12 13 13

(B) 11 12 13 13 14

(D) 11 12 13 14 14

Ques 8 :
What will be output when you will execute following code?

#include<stdio.h>
int main(){
volatile int a=11;
printf("%d",a);
return 0;
}

(A) 11

(B) Garbage

(D) We cannot predict

Ques 9 : What is the output of following program?

void f1(){
extern int g;
static int s=5;
int a;
++g;
a=s++;
printf("%d%d%d",a,s,g);
if(a<=6)
f1();
printf("%d%d%d",a,s,g);
}
void f2(){
static int s;
int a;
a=++s;
++g;
printf("%d%d%d",a,s,g);
if(a<=2)
f2();
printf("%d%d%d",a,s,g);
}
main(){
f1();
f2();
}

(A) 0 5 garbase

(B) 1 6 1

(D) error

Ques 10 : How many times main() will get called?
main()
{
printf("\n Main Called Again");
main();
}

(A) 1

(B) 100

(D) Infinite

Ques 11 :
What will be printed as the result of the operation below:
main()
{
int x=20,y=35;
x=y++ + x++;
y= ++y + ++x;
printf("%d%d",x,y);
}

(A) 5 7 8 4

(B) 5 7 9 4

(D) 5 7 9 5

Ques 12 :
How many times the below loop will get executed?
main()
{
int i,j;
i = 10;
for (j=i==10 ; j<=10 ; j++)
{
printf("\n%d",j);
}
}

(A) 1

(B) 10

(D) Compilation Error

Ques 13 : What is the output of following program?

void main(){
int a=2;
switch(a)
{
case 1: printf("A");
break;
case 2: printf("B");
continue;
case 3: printf("C");
break;
case 4; printf("D");
default: printf("E");
}
}

(A) B E

(B) B C E

(D) error

Ques 14 : What is the output of the following program?

void main(){
int a;
a=1;
a++ * ++a;
printf("%d",a);
}

(A) 3

(B) 4

(D) 2

Ques 15 : How many times the below loop will get executed?
main()
{
int i;
for(i=9;i;i=i-2)
{
printf("\n%d",i);
}
}

(A) 5

(B) 6

(D) Infinite

Ques 16 : what is the output of following program?

void main(){
int a;
a=100;
printf("%d%d",++a,a++);
}

(A) 101 101

(B) 101 102

(D) 102 101

Ques 17 : What the below statement will print if a=10
printf("%d %d",a, !a++);

(A) 11 0

(B) 10 10

(D) 0 10

Ques 18 : What is the output of following program?

void main(){
int a;
a=1;
while(a<=10){
printf("%d",a);
if(a>3 && a<8)
continue;
a++;
}
printf("%d",a+10);
}

(A) 1 2 3 4 5 6 ...................infinite

(B) 1 2 3 4 5 5 ...................infinite

(D) 1 2 3 4 4 3 ...................infinite

Ques 19 :
#define MAX_NUM 15
Referring to the sample above, what is MAX_NUM?

(A) MAX_NUM is a precompiler constant.

(B) MAX_NUM is a preprocessor macro.

(D) MAX_NUM is a linker constant.

Ques 20 :
What will be the output of the following program?
main()
{
printf(3+�??Gyantonic�??+4);
}

(A) ntonic

(B) tonic

(D) nic

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