Tech Test for ECE-1 RISE , TEST-3

1#include<stdio.h>

void main()

{

clrscr();

if((2==2) && printf("0") || 0)

printf("true");

else

printf("false");

}

a)true b)0true c)false d)0

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2.#include<stdio.h>

void main()

{

int ch='\0';

clrscr();

ch++;

while(1 && ch)

printf("%d",ch--);

}

a)NULLb)0 c)1 d)infinate loop

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3.#include<stdio.h>

void main()

{

int ch=NULL || EOF+1 && EOF ;

clrscr();

printf("%d",ch);

}

a)0 b)1 c)-1 d)48

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4.#include<stdio.h>

void main()

{ printf("a\/b=c",'%d',"%d");

}

a)a=c b)a\/b=c c)a/b=c

d)error

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5.#include<stdio.h>

void main()

{ clrscr();

printf("%d",1||-?('\n'==10!=0):printf("ok"));

}

a)1 b)0 c)error d)ok

6.#include<stdio.h>

void main()

{

float x=10.2345F;

int a;

clrscr();

a=x-(int)x;

printf("\n%f",(float)a);

}

a)10.234500 b)0.000000

c)error d)10.2345

7.#include<stdio.h>

void main()

{

clrscr();

printf("a%cb",'\\b');

}

a)a\b b)a\\b c)b d)error

8.#include<stdio.h>

void main()

{

float f=2.0;

clrscr();

printf("%d\t\t%d",a,sizeof(2.0f+2));

}

a)4 b)8 c)6 d)error

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9. #include<stdio.h>

void main()

{

char ch='ab';

clrscr();

do

{

}while(ch!='c'+1);}

a)abc b)ab b)abcd d)error

10. #include<stdio.h>

void main()

{

int i,no=0;

clrscr();

for(i=0;i<=5;no+=i++,i==5?

printf("%d",no):0);

}

a)15 b)10 c)100 d)150

11. #include<stdio.h>

void main()

{char ch='0a';

switch(ch)

{

case '0a':

16. #include <stdio.h>

 int main()

{

int i=10,j=9;

clrscr();

puts("\nfirst"); break;

case 48:

puts("\nsecond");break;

default:printf("wrong");

}

}

a)first b)wrong c)error d)second

12. #include<stdio.h>

void main()

{

int a=5^8;

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

}

a)13 b)169 c)-169 d)-13

13. #include <stdio.h>

 int main()

 { int i = 0, j = 0;

 while (i < 5, j < 10)

 {

 i++; j++;

 }

 printf("%d, %d\n", i, j);

 }

a)0,0 b)5,5 c)10,10 d)error

14. #include <stdio.h>

 int main()

{ int a=7,b=2;

printf("\n%d",(int)((float)a/b-(int)a/b));

 }

a)0.5 b)0 c)0.500000 d)error

15. #include <stdio.h>

 int main() {

 }

a)1 19 b)0 18 c)1 10 d)1 19

17. #include <stdio.h>

 int main()

{

int a = 6;

int b = 12;

clrscr();

while(a<b){

printf("\n%d %d",a,b,a+=2,b-=2);

}

 }

How many loops took in the above program

a)1 b)2 c)3 d)0

18. #include <stdio.h>

 int main()

{ do

 }

a)a\bc b)c c)a\b d)error

if(1)

if(0);

else if(1)

printf("\nOver");

else;

 }

a)Over b)syntax missing error c)nothing d)

misplaced else

19.write a program to print

54321012345 (use only one for)

20. print

0

1 0

0 1 0

1 0 1 0

0 1 0 1 0