Data Types in C Language - Quiz

What will be output when you will execute following c code? 

#include<stdio.h>
int main(){
    printf("%d\t",sizeof(6.5));
    printf("%d\t",sizeof(90000));
    printf("%d",sizeof('A'));
    return 0;
}

  • A 4 4 1
  • B 16 8 4
  • C 8 4 2
  • D 4 2 1

What is the output of this C Program? 

#include <stdio.h>
int main()
 {
  float f1 = 0.1;
  if (f1 == 0.1)
    printf("equal\n");
  else
    printf("not equal\n");
 }

  • A not equal
  • B equal
  • C Output depends on compiler
  • D None of the mentioned

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 4294967286 0 0
  • B 10 65526 0 0
  • C A and B
  • D None

Which of the following does not store a sign?
  • A Short
  • B Integer
  • C Long
  • D Byte

What would be the output of the following program? 

#include<stdio.h> 
 int x = 40 ;
void main()
{

    int x = 20 ;
    printf("\n%d ",x);
}

  • A 21
  • B 20
  • C 22
  • D no output

What is the output of this C code? 
#include"stdio.h"
void main()
 {
  1 < 2 ? return 1: return 2;
 }

  • A Run time error
  • B Varies
  • C -5
  • D 5

What will be output when you will execute following c code on a 64-bit machine? 
 
#include<stdio.h>
int main(){
    int a= sizeof(signed) +sizeof(unsigned);
   printf("%d",a);
    return 0;
}

  • A 10
  • B 9
  • C 8
  • D Cannot find size of modifiers

Which of the following is not modifier of data type in c?
  • A extern
  • B interrupt
  • C huge
  • D All

What is the output of the following C code on a 64 bit machine? 

#include <stdio.h>
union Sti
 {
  int nu;
  char m;
 };
  int main()
   {
    union Sti s;
    printf("%d", sizeof(s));
    return 0;
   }

  • A 5
  • B 4
  • C 8
  • D 9