Introduction to Operator in C - Quiz

What is the value of x in this C code? 

#include<stdio.h>
void main()
{
	int x = 4 *5 / 2 + 9;
	printf("%d",x);
}

  • A18
  • B6.75
  • C19
  • D1.85

In C programming language, which of the following type of operators have the highest precedence

  • ARelational operators
  • BEquality operators
  • CLogical operators
  • DArithmetic operators

What will be the output of the following program? 

#include<stdio.h> 
void main()
{
      int a, b, c, d;
      a = 3;
      b = 5;
      c = a, b;
      d = (a, b);
      printf("c=%d d=%d", c, d);
}

  • Ac=3 d=3
  • Bc=3 d=5
  • Cc=5 d=3
  • Dc=5 d=5

What will be the output of the program? 

#include<stdio.h>

int main()
{
    printf("%d >> %d %d >> %d\n", 4 >> 1, 8 >> 1);
    return 0;
}

  • A4 1 8 1
  • B4 >> 1 8 >> 1
  • C2 >> 4 Garbage value >> Garbage value
  • D2 4

What will be the output of the program? 

#include<stdio.h>

int main()
{
    printf("%d %d\n", 32<<1, 32<<0);
    printf("%d %d\n", 32<<-1, 32<<-0);
    printf("%d %d\n", 32>>1, 32>>0);
    printf("%d %d\n", 32>>-1, 32>>-0);
    return 0;
}

  • AGarbage values
  • B64 32
    0 32
    16 32
    0 32
  • CAll zeros
  • D8 0
    0 0
    32 0
    0 16

What will be the output of the following code fragment?(32-bit machine)

  • Afff0
  • Bfff1
  • Cfff2
  • Dfff3

What is the output of this C code? 
     void main()
    {
        int a = 5, b = -7, c = 0, d;
        d = ++a && ++b || ++c;
        printf("\n%d%d%d%d", a, b, c, d);
    }

  • A 6 -6 0 0
  • B6 -5 0 1
  • C-6 -6 0 1
  • D6 -6 0 1

What is the output of this C code? 
    int main()
    {
        int x = -2;
        x = x >> 1;
        printf("%d\n", x);
    }

  • A1
  • B-1
  • C2 ^ 31 - 1 considering int to be 4 bytes
  • DEither (b) or (c)

What will the the output of the following program? 

#include "stdio.h"

int main() 

{ 

  int x, y = 5, z = 5; 

  x = y == z; 

  printf("%d", x); 

  

  getchar(); 

  return 0; 

}

  • A00
  • B1
  • C5
  • DCompilation error

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