Data Types in C Language - Quiz

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;
   }

  • A5
  • B4
  • C8
  • D9

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;
}

  • A10
  • B9
  • C8
  • DCannot find size of modifiers

Which of the following is not modifier of data type in c?

  • Aextern
  • Binterrupt
  • Chuge
  • DAll

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;
}

  • A4 4 1
  • B16 8 4
  • C8 4 2
  • D4 2 1

Suppose a C program has floating constant 2.76, what's the best way to convert this as "float" data type?

  • A(float)2.76
  • B2.76f or 2.76F
  • C2.76 itself of "float" data type i.e. nothing else required.
  • Dfloat(2.76)

Which of the following is NOT an Integer?

  • AByte
  • BChar
  • CInteger
  • DShort

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

  • ARun time error
  • BVaries
  • C-5
  • D5

What would be the output of the following program? 

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

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

  • A21
  • B20
  • C22
  • Dno output

What would be the output of the following program? 

#include<stdio.h> 

void main()
{
    int x = 40 ;
    {
    int x = 20 ;
    printf("\n%d ",x);
    }
    printf("%d ",x);
}

  • A40 20
  • B21 40
  • C20 40
  • D20 41

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