Operators and Enums in C Language - Quiz

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

  • A -3
  • B -5
  • C 4
  • D Undefined

What is the output of this C code? 

#include <stdio.h>
void main()
    {
        int x = 0;
        if (x = 0)
            printf("It's zero\n");
        else
            printf("It's not zero\n");
    }

  • A It's not zero
  • B It's zero
  • C Run time error
  • D None

What is the output of this C code? 
    void main()
    {
        int x = 1, y = 0, z = 5;
        int a = x && y && z++;
        printf("%d", z);
    }

  • A 6
  • B 5
  • C 0
  • D Varies

What is the output of this C code? 
    int main()
    {
        int x = 1, y = 0, z = 3;
        x > y ? printf("%d", z) : return z;
    }

  • A 3
  • B 1
  • C Compile time error
  • D Run time error

What is the type of the below assignment expression if x is of type float, y is of type int? y = x + y;
  • A int
  • B float
  • C double
  • D There is no type for an assignment expression

The precedence of arithmetic operators is (from highest to lowest)?
  • A %, *, /, +, -
  • B %, +, /, *, -
  • C +, -, %, *, /
  • D %, +, -, *, /

What is the output of this C code? 
    int main()
    {
        int a = 10;
        if (a == a--)
            printf("TRUE 1\t");
        a = 10;
        if (a == --a)
            printf("TRUE 2\t");
    }

  • A TRUE 1
  • B TRUE 2
  • C TRUE 1 TRUE 2
  • D No output

What is the output of this C code? 

#include<stdio.h>
void main()
{
	int c = - -2; 
	printf("c=%d", c); 
}

  • A c=2
  • B c=-1
  • C c=-2
  • D Error

Which of the following comments about the ++ operator is correct?
  • A It is a unary operator and It associates from the right
  • B The operand can come before or after the operator
  • C It cannot be applied to an expression
  • D All of the above