C quiz

"system()" function is prototyped in

• <stdio.h>

• <stdlib.h>

• <system.h>

• <alloc.h>

Upon failing the execution of "system()" function the return value is

• NULL

• -1

• 0

• Exit code of the command

int main(void)

{

main();

return 0;

}

The code will result in

• Infinite loop

• Compile time error

• Runtime exception

• Stack overflow

The output of the following code

int main(void)

{

printf("%d",printf("%d",0x11));

return 0;

}

• 111

• 172

• 112

• 216

What will be the output of the following code

int main(void)

{

int i=-5,j=3;

for(;i<j;i++,j--){}

printf("%d%d",j,i);

return 0;

}

• -1-1

• -20

• 0-2

• compiler error

What will be the output of the following code

int main(void)

{

int a[5]={2,7,9,4,-1};

printf("%d",*(a+5));

return 0;

}

• -1

• Garbage value

• Runtime Error

• Compilation error

A two dimensional array is defined as "int a[m][n]", the address of the element a[i][j] is

• a+(i*(n-1)*(sizeof(int)))+(j*(m-1)*(sizeof(int)))

• a+(i*n*(sizeof(int)))+(j*(sizeof(int)))

• a+(i*(m-1)*(sizeof(int)))+(j*(sizeof(int)))

• a+(i*n*(sizeof(int)))+(j*m*(sizeof(int)))

What will be the output of the following code

int main(void)

{

int i,j=0x10;

i=j++;

printf("%d %d",i,j);

return 0;

}

• 16 17

• 10 11

• 10 10

• 11 11

What will be the output of the following code

void main(void)

{

char* s="GCECT\n";

printf("%d",strlen(s));

}

• Compiler error

• Runtime error

• 5

• 6

Von Neumann architecture is a

• Stored Data architecture

• Stored Program architecture

• Stored Procedure architecture

• Stored Operator architecture