Online Random Test

Test Status

CRANDOMTEST

Ques 1 : 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 2 :
What will be output when you will execute following c code?

#include<stdio.h>
int main(){
signed x,a;
unsigned y,b;
a=(signed)10u;
b=(unsigned)-10;
y = (signed)10u + (unsigned)-10;
x = y;
printf("%d %u\t",a,b);
if(x==y)
printf("%d %d",x,y);
else if(x!=y)
printf("%u %u",x,y);
return 0;
}

(A) 10 -10 0 0

(B) 10 -10 65516 -10

(D) 10 -10 10 -10

Ques 3 : What are storage classes in 'C' language? choose multiple-
a. auto keyword
b. static keyword
c. register keyword
d. extern keyword
e. automatic
f. static

(A) a,b,c

(B) a,b,c,d

(D) none of these

Ques 4 : Given the following program fragment
main ()
{
int i, j, k;
i = 3;
j =2(i++);
k =2(++i);
}
which one of the given option is correct?

(A) j = 6, k = 10.

(B) i = 5, k = 6

(D) i = 4, j = 6.

Ques 5 :
What will be output when you will execute following code?

#include "stdio.h"
int main(){
char a=250;
int expr;
expr= a+ !a + ~a + ++a;
printf("%d",expr);
return 0;
}

(A) 249

(B) 250

(D) 0

Ques 6 : 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 7 : What is the output of following program?

void f1(){
static int s=5;
++s;
printf("%d",s);
}
main(){
f1();
f1();
printf("%d",s);
}

(A) 6 6 6

(B) 6 7 7

(D) error

Ques 8 : 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 13 14 14

(B) 11 12 14 15 15

(D) 11 12 13 14 14

Ques 9 : 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 10 : What is the output of following program?

void main(){
int a;
a=~0;
printf("%d",a);
}

(A) 0

(B) 1

(D) none of these

Ques 11 :
What will be output when you will execute following code?

void main(){
int a;
a=5;
if(a=15)
printf("welcome%d",a);
else
printf("hello%d"a);
}

(A) welcome 5

(B) welcome 15

(D) hello 15

Ques 12 : What will be the output of the following program if the base address of array is 100.
main()
{
int gyan[] = { 1,2,3,4,5 };
int i,ptr ;
ptr = gyan;
for(i = 0; i<=4 ; i++)
{
print("\n %d", ptr++);
}
}

(A) 1 2 3 4 5

(B) 2 3 4 5

(D) 101 102 103 104

Ques 13 :
What value of c will get printed
main()
{
int a, b, c;
a = 10;
b = 20;
c = printf("%d",a) + ++b;
printf ("%d",c);
}

(A) 23

(B) 22

(D) Compilation Error

Ques 14 : What will be output of following program?
#include<stdio.h>
int main()
{
int a = 320;
char ptr;
ptr = (char )&a;
printf("%d",*ptr);
return 0;
}

(A) 2

(B) 320

(D) Compilation Error

Ques 15 : What is the output of following program?

void main(){
int a=2;
switch(a)
{
case 4: printf("A");
break;
case 3: printf("B");
case default : printf("C");
case 1 : printf("D");
break;
case 5 : printf("E");
}
}

(A) C

(B) C D

(D) error

Ques 16 :
What will be printed as the result of the operation below:

main()
{
int x=10, y=15;
x = x++;
y = ++y;
printf("%d %d",x,y);
}

(A) 10, 16

(B) 11, 16

(D) 11, 15

Ques 17 :
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 18 : what is the output of following program?

main(){
int a,b;
a=b=100;
scanf("%d%d",a,&b);
//Entered Values are 40 85
printf("%d %d",a,b);
}

(A) 40 85

(B) 0 85

(D) 100 100

Ques 19 :
What will be output when you will execute following code?
#include<stdio.h>
int main(){
char arr[11]="The African Queen";
printf("%s",arr);
return 0;
}
Choose all that
(A)
(B)
(C) The African
(D) Compilation

(A) The

(B) The African

(D) None of the

Ques 20 : what is the output of following program?

void main(){
int a;
a=10;
a*=10+2;
printf("%d",a);
}

(A) 102

(B) 100

(D) 22

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